{"id":772,"date":"2026-02-23T22:09:43","date_gmt":"2026-02-23T14:09:43","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/02\/23\/%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88-20-%e6%a6%82%e5%bf%b5%e3%80%9105-%e5%88%86%e6%95%a3%e5%bc%8f%e7%b3%bb%e7%b5%b1-sharding%e3%80%81replication%e3%80%81cap-theorem%e3%80%81message\/"},"modified":"2026-02-23T22:09:43","modified_gmt":"2026-02-23T14:09:43","slug":"%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88-20-%e6%a6%82%e5%bf%b5%e3%80%9105-%e5%88%86%e6%95%a3%e5%bc%8f%e7%b3%bb%e7%b5%b1-sharding%e3%80%81replication%e3%80%81cap-theorem%e3%80%81message","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/02\/23\/%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88-20-%e6%a6%82%e5%bf%b5%e3%80%9105-%e5%88%86%e6%95%a3%e5%bc%8f%e7%b3%bb%e7%b5%b1-sharding%e3%80%81replication%e3%80%81cap-theorem%e3%80%81message\/","title":{"rendered":"\u3010\u7cfb\u7d71\u8a2d\u8a08 20 \u6982\u5ff5\u3011#05 \u5206\u6563\u5f0f\u7cfb\u7d71 \u2014 Sharding\u3001Replication\u3001CAP Theorem\u3001Message Queues"},"content":{"rendered":"\n<div id=\"quiz-996ff404\">\n<style>\n#quiz-996ff404 .question {\n        background: white;\n        border-radius: 8px;\n        padding: 20px;\n        margin: 20px 0;\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n      }#quiz-996ff404 .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-996ff404 .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-996ff404 .options li {\n        padding: 12px 15px;\n        margin: 8px 0;\n        border: 2px solid #ddd;\n        border-radius: 6px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-996ff404 .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-996ff404 .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-996ff404 .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-996ff404 .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-996ff404 .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-996ff404 .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-996ff404 .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-996ff404 .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-996ff404 .score {\n        text-align: center;\n        font-size: 1.5em;\n        padding: 20px;\n        background: white;\n        border-radius: 8px;\n        margin-top: 20px;\n      }#quiz-996ff404 .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }\n<\/style>\n<h1>\u6e2c\u9a57\uff1a\u5206\u6563\u5f0f\u7cfb\u7d71 \u2014 Sharding\u3001Replication\u3001CAP Theorem\u3001Message Queues<\/h1>\n    <p>\u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c<\/p>\n\n    <div class=\"question\" id=\"q1\">\n      <h3>1. Sharding\uff08\u5206\u7247\uff09\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. \u628a\u540c\u4e00\u4efd\u8cc7\u6599\u8907\u88fd\u5230\u591a\u53f0\u6a5f\u5668\uff0c\u63d0\u9ad8\u53ef\u7528\u6027<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. \u628a\u4e00\u500b\u5927\u8cc7\u6599\u5eab\u62c6\u5206\u5230\u4e0d\u540c\u6a5f\u5668\u4e0a\uff0c\u6bcf\u53f0\u53ea\u5b58\u4e00\u90e8\u5206\u8cc7\u6599<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. \u5728\u670d\u52d9\u4e4b\u9593\u5efa\u7acb\u8a0a\u606f\u4f47\u5217\uff0c\u5be6\u73fe\u975e\u540c\u6b65\u901a\u8a0a<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. \u628a\u6240\u6709\u8cc7\u6599\u96c6\u4e2d\u5230\u4e00\u53f0\u66f4\u5f37\u7684\u4f3a\u670d\u5668\u4e0a<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u5728 CAP Theorem \u4e2d\uff0c\u300cP\u300d\u4ee3\u8868 Partition Tolerance\uff08\u5206\u5340\u5bb9\u932f\uff09\u3002\u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u70ba\u4ec0\u9ebc\u5be6\u969b\u4e0a\u53ea\u9700\u8981\u5728 C \u548c A \u4e4b\u9593\u9078\u64c7\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. \u56e0\u70ba P \u7684\u6210\u672c\u592a\u9ad8\uff0c\u5927\u591a\u6578\u7cfb\u7d71\u9078\u64c7\u653e\u68c4\u5b83<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. \u56e0\u70ba C \u548c A \u4e92\u76f8\u77db\u76fe\uff0c\u6c38\u9060\u4e0d\u53ef\u80fd\u540c\u6642\u5be6\u73fe<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. \u56e0\u70ba\u7db2\u8def\u4e00\u5b9a\u53ef\u80fd\u65b7\u7dda\uff0cP \u662f\u5206\u6563\u5f0f\u7cfb\u7d71\u7684\u5fc5\u9078\u9805<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. \u56e0\u70ba P \u53ea\u5728\u55ae\u6a5f\u7cfb\u7d71\u624d\u6709\u7528\uff0c\u5206\u6563\u5f0f\u7cfb\u7d71\u4e0d\u9700\u8981<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u4e3b\u5f9e\u8907\u88fd\uff08Leader-Follower\uff09\u67b6\u69cb\u4e2d\uff0c\u8b80\u5beb\u8acb\u6c42\u5982\u4f55\u5206\u914d\uff1f<\/h3>\n      <div class=\"code-block\">def write_data(key, value):\n    master_redis.set(key, value)    # \u5beb\u5165\u8d70\u4e3b\u7bc0\u9ede\n\ndef read_data(key):\n    return replica_redis.get(key)   # \u8b80\u53d6\u8d70\u5f9e\u7bc0\u9ede<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'B')\">A. \u8b80\u53d6\u548c\u5beb\u5165\u90fd\u7531 Leader \u8655\u7406\uff0cFollower \u53ea\u662f\u5099\u4efd<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'B')\">B. \u5beb\u5165\u53ea\u80fd\u7531 Leader \u8655\u7406\uff0c\u8b80\u53d6\u53ef\u4ee5\u5206\u6563\u5230 Follower<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'B')\">C. Leader \u548c Follower \u90fd\u53ef\u4ee5\u8655\u7406\u8b80\u53d6\u548c\u5beb\u5165<\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'B')\">D. Follower \u8ca0\u8cac\u5beb\u5165\uff0cLeader \u8ca0\u8cac\u8b80\u53d6<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u4f7f\u7528\u8005\u4e0b\u55ae\u5f8c\u9700\u8981\u6263\u5eab\u5b58\u3001\u5bc4\u78ba\u8a8d\u4fe1\u3001\u901a\u77e5\u7269\u6d41\u3002\u4f7f\u7528 Message Queue \u8655\u7406\u7684\u4e3b\u8981\u597d\u8655\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'D')\">A. \u8b93\u4f7f\u7528\u8005\u53ef\u4ee5\u540c\u6642\u770b\u5230\u6263\u5eab\u5b58\u3001\u5bc4\u4fe1\u548c\u7269\u6d41\u7684\u9032\u5ea6<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'D')\">B. \u78ba\u4fdd\u4e09\u500b\u6b65\u9a5f\u5728\u540c\u4e00\u500b\u4ea4\u6613\u4e2d\u5b8c\u6210\uff0c\u7dad\u6301\u8cc7\u6599\u4e00\u81f4\u6027<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'D')\">C. \u6e1b\u5c11\u8cc7\u6599\u5eab\u7684\u5132\u5b58\u7a7a\u9593\u9700\u6c42<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'D')\">D. \u4f7f\u7528\u8005\u4e0d\u9700\u8981\u7b49\u6240\u6709\u6b65\u9a5f\u5b8c\u6210\u5c31\u80fd\u6536\u5230\u56de\u61c9\uff0c\u4e14\u67d0\u500b\u670d\u52d9\u639b\u4e86\u4e0d\u5f71\u97ff\u4e0b\u55ae<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u4e00\u500b\u96fb\u5546\u7cfb\u7d71\u4f7f\u7528 <code>country<\/code> \u4f5c\u70ba\u5206\u7247\u9375\uff0c\u7d50\u679c\u7f8e\u570b\u4f7f\u7528\u8005\u4f54\u4e86 60% \u7684\u6d41\u91cf\u3002\u9019\u500b\u554f\u984c\u5728\u6587\u7ae0\u4e2d\u88ab\u7a31\u70ba\u4ec0\u9ebc\uff1f\u8a72\u5982\u4f55\u7406\u89e3\u5b83\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'A')\">A. Hot Spot \u554f\u984c \u2014 \u5206\u7247\u9375\u9078\u64c7\u4e0d\u5747\u52fb\uff0c\u5c0e\u81f4\u67d0\u500b\u5206\u7247\u627f\u53d7\u904e\u591a\u6d41\u91cf\u800c\u8d85\u8f09<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'A')\">B. Replication Lag \u2014 \u5f9e\u7bc0\u9ede\u540c\u6b65\u5ef6\u9072\uff0c\u5c0e\u81f4\u8b80\u5230\u904e\u6642\u7684\u8cc7\u6599<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'A')\">C. Partition Tolerance \u554f\u984c \u2014 \u7db2\u8def\u5206\u5340\u5c0e\u81f4\u4e0d\u540c\u6a5f\u623f\u8cc7\u6599\u4e0d\u540c\u6b65<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'A')\">D. Dead Letter \u554f\u984c \u2014 \u8a0a\u606f\u4f47\u5217\u4e2d\u7d2f\u7a4d\u4e86\u5927\u91cf\u8655\u7406\u5931\u6557\u7684\u8a0a\u606f<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb5\"><\/div>\n    <\/div>\n\n    <div class=\"score\" id=\"score\" style=\"display:none;\"><\/div>\n<script>\n\n      let answered = 0;\n      let correct = 0;\n      const total = 5;\n      const explanations = {\n        1: \"Sharding \u662f\u628a\u4e00\u500b\u5927\u8cc7\u6599\u5eab\u300c\u5207\u584a\u300d\u5206\u6563\u5b58\u5230\u4e0d\u540c\u6a5f\u5668\u4e0a\uff0c\u6bcf\u53f0\u53ea\u8ca0\u8cac\u4e00\u90e8\u5206\u8cc7\u6599\u3002\u9078\u9805 A \u63cf\u8ff0\u7684\u662f Replication\uff08\u8907\u88fd\uff09\uff0c\u9078\u9805 D \u63cf\u8ff0\u7684\u662f\u5782\u76f4\u64f4\u5c55\u3002\",\n        2: \"\u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7db2\u8def\u4e00\u5b9a\u53ef\u80fd\u65b7\u7dda\uff0c\u6240\u4ee5 P\uff08\u5206\u5340\u5bb9\u932f\uff09\u662f\u5fc5\u9078\u7684\u3002\u9019\u4f7f\u5f97\u5be6\u969b\u9078\u64c7\u8b8a\u6210\u5728 C\uff08\u4e00\u81f4\u6027\uff09\u548c A\uff08\u53ef\u7528\u6027\uff09\u4e4b\u9593\u53d6\u6368\u3002C \u548c A \u4e26\u975e\u6c38\u9060\u77db\u76fe\uff0c\u53ea\u662f\u5728\u7db2\u8def\u5206\u5340\u767c\u751f\u6642\u7121\u6cd5\u540c\u6642\u6eff\u8db3\u3002\",\n        3: \"\u5728\u4e3b\u5f9e\u8907\u88fd\u67b6\u69cb\u4e2d\uff0c\u53ea\u6709 Leader\uff08\u4e3b\u7bc0\u9ede\uff09\u80fd\u8655\u7406\u5beb\u5165\uff0cFollower\uff08\u5f9e\u7bc0\u9ede\uff09\u8907\u88fd Leader \u7684\u8cc7\u6599\u4e26\u8655\u7406\u8b80\u53d6\u8acb\u6c42\u3002\u9019\u7a2e\u300c\u8b80\u5beb\u5206\u96e2\u300d\u7684\u65b9\u5f0f\u80fd\u5206\u6563\u8b80\u53d6\u8ca0\u8f09\u3002\u591a\u4e3b\u8907\u88fd\uff08Multi-Master\uff09\u624d\u662f\u6bcf\u500b\u7bc0\u9ede\u90fd\u53ef\u8b80\u53ef\u5beb\u3002\",\n        4: \"Message Queue \u8b93\u7cfb\u7d71\u53ef\u4ee5\u975e\u540c\u6b65\u8655\u7406\uff1a\u4f7f\u7528\u8005\u4e0b\u55ae\u5f8c\uff0c\u53ea\u9700\u7b49\u6263\u5eab\u5b58\u5b8c\u6210\uff08300ms\uff09\uff0c\u5bc4\u4fe1\u548c\u901a\u77e5\u7269\u6d41\u4e1f\u9032 Queue \u80cc\u666f\u8655\u7406\u3002\u800c\u4e14\u5373\u4f7f\u5bc4\u4fe1\u670d\u52d9\u66ab\u6642\u639b\u4e86\uff0cQueue \u6703\u4fdd\u7559\u8a0a\u606f\u7b49\u5b83\u6062\u5fa9\u518d\u8655\u7406\uff0c\u4e0d\u5f71\u97ff\u4e0b\u55ae\u6d41\u7a0b\u3002\u9019\u5c31\u662f\u300c\u89e3\u8026\u300d\u7684\u597d\u8655\u3002\",\n        5: \"\u7576\u5206\u7247\u9375\u9078\u64c7\u4e0d\u5747\u52fb\uff08\u5982\u7528 country\uff09\uff0c\u6703\u5c0e\u81f4\u67d0\u4e9b\u5206\u7247\u627f\u53d7\u904e\u591a\u6d41\u91cf\uff0c\u9019\u5c31\u662f Hot Spot\uff08\u71b1\u9ede\uff09\u554f\u984c\u3002\u6587\u7ae0\u5efa\u8b70\u4f7f\u7528 user_id \u9019\u7a2e\u80fd\u5747\u52fb\u5206\u5e03\u7684\u503c\u4f5c\u70ba\u5206\u7247\u9375\uff0c\u907f\u514d\u6d41\u91cf\u96c6\u4e2d\u5728\u55ae\u4e00\u5206\u7247\u4e0a\u3002\"\n      };\n\n      function checkAnswer(qNum, selected, correctAns) {\n        const question = document.getElementById(\"q\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answered++;\n\n        const options = question.querySelectorAll(\".options li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fb\" + qNum);\n        if (selected === correctAns) {\n          correct++;\n          feedback.className = \"feedback correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanations[qNum];\n        } else {\n          feedback.className = \"feedback wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanations[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answered === total) {\n          const scoreDiv = document.getElementById(\"score\");\n          scoreDiv.style.display = \"block\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" +\n            correct +\n            \" \/ \" +\n            total +\n            (correct === total\n              ? \" \ud83c\udf89 \u5168\u5c0d\uff01\"\n              : correct >= Math.ceil(total * 0.6)\n                ? \" \ud83d\udc4d \u4e0d\u932f\uff01\"\n                : \" \ud83d\udcda \u518d\u8907\u7fd2\u4e00\u4e0b\u5427\");\n        }\n      }\n    \n<\/script>\n<\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">**\u7cfb\u5217**\uff1a\u7b2c 5 \u7bc7\uff08\u5b8c\u7d50\u7bc7\uff09\uff0c\u5171 5 \u7bc7\uff5c**\u96e3\u5ea6**\uff1aL2-\u9032\u968e<br>**\u524d\u7f6e\u77e5\u8b58**\uff1a\u7b2c 3 \u7bc7\u7684\u6c34\u5e73\u64f4\u5c55\u6982\u5ff5\u3001\u7b2c 4 \u7bc7\u7684\u8cc7\u6599\u5eab\u57fa\u790e\uff08SQL\/NoSQL\uff09<br>**\u4f86\u6e90\u5f71\u7247**\uff1a20 System Design Concepts Explained in 10 Minutes (NeetCode, YouTube)<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4e00\u53f0\u6a5f\u5668\u88dd\u4e0d\u4e0b\u6240\u6709\u8cc7\u6599\u3001\u6490\u4e0d\u4f4f\u6240\u6709\u6d41\u91cf\u6642\uff0c\u4f60\u9700\u8981\u300c\u5206\u6563\u5f0f\u7cfb\u7d71\u300d\u7684\u56db\u5927\u6838\u5fc3\u624b\u6bb5\uff1a\u5206\u7247\u3001\u8907\u88fd\u3001\u53d6\u6368\u5b9a\u7406\u3001\u8a0a\u606f\u4f47\u5217\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u4f60\u8981\u770b\u61c2\u9019\u4e9b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u7528 AI \u751f\u6210\u5f8c\u7aef\u670d\u52d9\uff0cAI \u53ef\u80fd\u6703\u5728\u914d\u7f6e\u88e1\u5beb\u51fa\u9019\u6a23\u7684\u6771\u897f\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"># <span class=\"hljs-selector-tag\">docker-compose<\/span><span class=\"hljs-selector-class\">.yml<\/span> \u88e1\u7a81\u7136\u51fa\u73fe\u7684\u5206\u6563\u5f0f\u8a2d\u5b9a\n<span class=\"hljs-selector-tag\">services<\/span>:\n  <span class=\"hljs-selector-tag\">redis-master<\/span>:\n    <span class=\"hljs-selector-tag\">image<\/span>: <span class=\"hljs-selector-tag\">redis<\/span>\n  <span class=\"hljs-selector-tag\">redis-replica<\/span>:\n    <span class=\"hljs-selector-tag\">image<\/span>: <span class=\"hljs-selector-tag\">redis<\/span>\n    <span class=\"hljs-selector-tag\">command<\/span>: <span class=\"hljs-selector-tag\">redis-server<\/span> <span class=\"hljs-selector-tag\">--replicaof<\/span> <span class=\"hljs-selector-tag\">redis-master<\/span> 6379\n\n  <span class=\"hljs-selector-tag\">rabbitmq<\/span>:\n    <span class=\"hljs-selector-tag\">image<\/span>: <span class=\"hljs-selector-tag\">rabbitmq<\/span><span class=\"hljs-selector-pseudo\">:management<\/span>\n    <span class=\"hljs-selector-tag\">ports<\/span>:\n      <span class=\"hljs-selector-tag\">-<\/span> \"5672<span class=\"hljs-selector-pseudo\">:5672\"<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># AI \u5beb\u51fa\u7684\u8cc7\u6599\u5eab\u8def\u7531\u908f\u8f2f<\/span>\ndef get_db_shard(user_id: int):\n    shard_index = user_id % <span class=\"hljs-number\">4<\/span>  <span class=\"hljs-comment\"># \u6839\u64da user_id \u6c7a\u5b9a\u7528\u54ea\u53f0\u8cc7\u6599\u5eab<\/span>\n    <span class=\"hljs-keyword\">return<\/span> db_connections&#91;shard_index]\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u770b\u4e0d\u61c2 <code>replicaof<\/code>\u3001<code>shard<\/code> \u9019\u4e9b\u8a5e\uff0c\u5c31\u7121\u6cd5\u5224\u65b7 AI \u7684\u67b6\u69cb\u8a2d\u8a08\u662f\u5426\u5408\u7406\u3002\u9019\u7bc7\u6703\u8b93\u4f60\u770b\u61c2\u9019\u4e9b\u6982\u5ff5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u5ff5\u4e00\uff1aSharding\uff08\u5206\u7247\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u4e00\u500b\u5de8\u5927\u7684\u8cc7\u6599\u5eab\u300c\u5207\u584a\u300d\uff0c\u5206\u6563\u5b58\u5230\u4e0d\u540c\u6a5f\u5668\u4e0a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5716\u66f8\u9928\u6bd4\u55bb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u60f3\u50cf\u4e00\u9593\u5716\u66f8\u9928\u85cf\u66f8 100 \u842c\u672c\uff0c\u66f8\u67b6\u5df2\u7d93\u64fa\u4e0d\u4e0b\u4e86\u3002\u89e3\u6cd5\u662f\u4ec0\u9ebc\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u958b\u5206\u9928<\/strong>\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u5206\u9928<\/th>\n<th>\u8ca0\u8cac\u7684\u66f8<\/th>\n<th>\u5206\u985e\u65b9\u5f0f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6771\u5340\u5206\u9928<\/td>\n<td>\u4f5c\u8005\u59d3\u540d A-F<\/td>\n<td>\u6309\u59d3\u540d\u9996\u5b57\u6bcd<\/td>\n<\/tr>\n<tr>\n<td>\u5357\u5340\u5206\u9928<\/td>\n<td>\u4f5c\u8005\u59d3\u540d G-M<\/td>\n<td>\u6309\u59d3\u540d\u9996\u5b57\u6bcd<\/td>\n<\/tr>\n<tr>\n<td>\u897f\u5340\u5206\u9928<\/td>\n<td>\u4f5c\u8005\u59d3\u540d N-S<\/td>\n<td>\u6309\u59d3\u540d\u9996\u5b57\u6bcd<\/td>\n<\/tr>\n<tr>\n<td>\u5317\u5340\u5206\u9928<\/td>\n<td>\u4f5c\u8005\u59d3\u540d T-Z<\/td>\n<td>\u6309\u59d3\u540d\u9996\u5b57\u6bcd<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u5c31\u662f Sharding\u3002\u6bcf\u9593\u5206\u9928\u662f\u4e00\u500b <strong>shard<\/strong>\uff08\u5206\u7247\uff09\uff0c\u800c\u300c\u6309\u4f5c\u8005\u59d3\u540d\u9996\u5b57\u6bcd\u5206\u300d\u5c31\u662f <strong>shard key<\/strong>\uff08\u5206\u7247\u9375\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\u7bc4\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u770b\u5230 AI \u751f\u6210\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\u6642\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># \u9019\u5c31\u662f\u6700\u57fa\u672c\u7684 sharding \u908f\u8f2f<\/span>\ndef get_shard(user_id: int) -&gt; str:\n    shard_index = user_id % <span class=\"hljs-number\">3<\/span>          <span class=\"hljs-comment\"># \u7528\u53d6\u9918\u6578\u6c7a\u5b9a\u5206\u5230\u54ea\u4e00\u7247<\/span>\n    shards = &#91;<span class=\"hljs-string\">\"db-0\"<\/span>, <span class=\"hljs-string\">\"db-1\"<\/span>, <span class=\"hljs-string\">\"db-2\"<\/span>]  <span class=\"hljs-comment\"># \u4e09\u53f0\u8cc7\u6599\u5eab<\/span>\n    <span class=\"hljs-keyword\">return<\/span> shards&#91;shard_index]\n\n<span class=\"hljs-comment\"># user_id=1 \u2192 db-1, user_id=2 \u2192 db-2, user_id=3 \u2192 db-0<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u6709 3 \u53f0\u8cc7\u6599\u5eab\uff0c\u7528 user_id \u9664\u4ee5 3 \u7684\u9918\u6578\uff0c\u6c7a\u5b9a\u9019\u7b46\u8cc7\u6599\u5b58\u5728\u54ea\u53f0\u3002\u300d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u7247\u9375\u7684\u9078\u64c7\u81f3\u95dc\u91cd\u8981<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u7247\u9375\u9078\u5f97\u597d\u4e0d\u597d\uff0c\u76f4\u63a5\u6c7a\u5b9a\u7cfb\u7d71\u7684\u751f\u6b7b\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5206\u7247\u9375 = user_id\uff08\u597d\uff09\n\u2192 \u6bcf\u500b\u4f7f\u7528\u8005\u7684\u8cc7\u6599\u96c6\u4e2d\u5728\u540c\u4e00\u53f0\uff0c\u67e5\u8a62\u5feb\n\u2192 \u4f7f\u7528\u8005\u5747\u52fb\u5206\u5e03\uff0c\u6bcf\u53f0\u8ca0\u8f09\u5dee\u4e0d\u591a\n\n\u5206\u7247\u9375 = country\uff08\u4e0d\u597d\uff09\n\u2192 \u7f8e\u570b\u4f7f\u7528\u8005\u53ef\u80fd\u4f54 60%\uff0c\u5168\u64e0\u5728\u540c\u4e00\u53f0\n\u2192 \u9019\u53f0\u8d85\u8f09\uff0c\u5176\u4ed6\u53f0\u9592\u7f6e \u2192 \u9019\u5c31\u662f\u300cHot Spot\uff08\u71b1\u9ede\uff09\u300d\u554f\u984c\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Hot Spot \u554f\u984c<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502   Shard A    \u2502  \u2502   Shard B    \u2502  \u2502   Shard C    \u2502\n\u2502  country=US  \u2502  \u2502  country=JP  \u2502  \u2502  country=TW  \u2502\n\u2502  \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2502  \u2502  \u2588\u2588          \u2502  \u2502  \u2588\u2588\u2588         \u2502\n\u2502  60% \u6d41\u91cf    \u2502  \u2502  15% \u6d41\u91cf    \u2502  \u2502  25% \u6d41\u91cf    \u2502\n\u2502  \u2192 \u8d85\u8f09\uff01    \u2502  \u2502  \u2192 \u9592\u7f6e      \u2502  \u2502  \u2192 \u6b63\u5e38      \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n       \u2191 Hot Spot\uff1a\u4e00\u500b\u5206\u7247\u627f\u53d7\u904e\u591a\u6d41\u91cf\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u5c31\u50cf\u5716\u66f8\u9928\u628a\u300c\u6240\u6709\u6f2b\u756b\u300d\u653e\u5728\u540c\u4e00\u9593\u5206\u9928\uff0c\u7d50\u679c\u90a3\u9593\u5206\u9928\u5929\u5929\u6392\u968a\u7206\u6eff\uff0c\u5176\u4ed6\u5206\u9928\u7a7a\u7a7a\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5fc5\u770b\u61c2\uff08\u6703\u5728\u67b6\u69cb\u8a0e\u8ad6\u4e2d\u51fa\u73fe\uff09\uff1a\n- shard \/ sharding \u2192 \u628a\u8cc7\u6599\u5206\u6563\u5230\u591a\u53f0\u6a5f\u5668\n- shard key \u2192 \u6c7a\u5b9a\u8cc7\u6599\u5206\u5230\u54ea\u53f0\u7684\u4f9d\u64da\n- hot spot \u2192 \u67d0\u53f0\u6a5f\u5668\u627f\u53d7\u904e\u591a\u6d41\u91cf\n\n\u77e5\u9053\u5c31\u597d\uff08\u9047\u5230\u518d\u67e5\uff09\uff1a\n- consistent hashing \u2192 \u9032\u968e\u7684\u5206\u7247\u7b56\u7565\uff0c\u6e1b\u5c11\u91cd\u65b0\u5206\u914d\n- resharding \u2192 \u589e\u6e1b\u6a5f\u5668\u6642\u91cd\u65b0\u5206\u914d\u8cc7\u6599\n<\/code><\/span><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u5ff5\u4e8c\uff1aReplication\uff08\u8907\u88fd\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u540c\u4e00\u4efd\u8cc7\u6599\u300c\u8907\u88fd\u300d\u5230\u591a\u53f0\u6a5f\u5668\u4e0a\uff0c\u4e00\u53f0\u639b\u4e86\u5176\u4ed6\u7684\u80fd\u63a5\u624b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5716\u66f8\u9928\u6bd4\u55bb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u7bc0\u662f\u300c\u958b\u5206\u9928\uff0c\u6bcf\u9593\u653e\u4e0d\u540c\u7684\u66f8\u300d\u3002Replication \u4e0d\u4e00\u6a23\uff0c\u5b83\u662f\u300c\u6bcf\u9593\u5206\u9928\u90fd\u653e\u540c\u6a23\u7684\u66a2\u92b7\u66f8\u300d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u70ba\u4ec0\u9ebc\uff1f\u56e0\u70ba\u66a2\u92b7\u66f8\u592a\u591a\u4eba\u8981\u501f\u4e86\uff0c\u53ea\u6709\u4e00\u672c\u6839\u672c\u4e0d\u5920\u3002\u8907\u88fd\u5e7e\u672c\u51fa\u4f86\uff0c\u8b80\u8005\u53ef\u4ee5\u5230\u6700\u8fd1\u7684\u5206\u9928\u501f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5169\u7a2e\u8907\u88fd\u6a21\u5f0f<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u6a21\u5f0f\u4e00\uff1a\u4e3b\u5f9e\u8907\u88fd\uff08Leader-Follower \/ Master-Slave\uff09<\/h4>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">          \u5beb\u5165\u8acb\u6c42\n             \u2502\n             \u25bc\n      \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n      \u2502   Leader     \u2502 \u2190 \u53ea\u6709\u9019\u53f0\u80fd\u5beb\u5165\n      \u2502  (\u4e3b\u7bc0\u9ede)     \u2502\n      \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n             \u2502 \u8907\u88fd\u8cc7\u6599\n       \u250c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2510\n       \u25bc     \u25bc     \u25bc\n   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n   \u2502Follower\u2502\u2502Follower\u2502\u2502Follower\u2502 \u2190 \u9019\u4e9b\u53ea\u80fd\u8b80\u53d6\n   \u2502 \u5f9e\u7bc0\u9ede \u2502\u2502 \u5f9e\u7bc0\u9ede \u2502\u2502 \u5f9e\u7bc0\u9ede \u2502\n   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n       \u25b2     \u25b2     \u25b2\n       \u2514\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2518\n             \u2502\n          \u8b80\u53d6\u8acb\u6c42\uff08\u5206\u6563\u5230\u591a\u53f0\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u4e00\u500b\u8001\u95c6\uff08Leader\uff09\u8ca0\u8cac\u6536\u65b0\u66f8\uff0c\u4e09\u500b\u54e1\u5de5\uff08Follower\uff09\u8ca0\u8cac\u501f\u66f8\u7d66\u8b80\u8005\u3002\u8001\u95c6\u6536\u5230\u65b0\u66f8\u5f8c\uff0c\u6703\u5f71\u5370\u4e09\u4efd\u5206\u7d66\u54e1\u5de5\u3002\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u770b\u5230 AI \u5beb\u51fa\u9019\u6a23\u7684\u914d\u7f6e\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># Redis \u4e3b\u5f9e\u8907\u88fd\u914d\u7f6e<\/span>\nredis-master:\n  image: redis\n  ports: &#91;<span class=\"hljs-string\">\"6379:6379\"<\/span>]\n\nredis-replica<span class=\"hljs-number\">-1<\/span>:\n  image: redis\n  command: redis-server --replicaof redis-master <span class=\"hljs-number\">6379<\/span>  <span class=\"hljs-comment\"># \u5f9e master \u8907\u88fd\u8cc7\u6599<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># \u8b80\u5beb\u5206\u96e2\u7684\u7a0b\u5f0f\u78bc<\/span>\ndef write_data(key, value):\n    master_redis.set(key, value)    <span class=\"hljs-comment\"># \u5beb\u5165\u8d70\u4e3b\u7bc0\u9ede<\/span>\n\ndef read_data(key):\n    <span class=\"hljs-keyword\">return<\/span> replica_redis.get(key)   <span class=\"hljs-comment\"># \u8b80\u53d6\u8d70\u5f9e\u7bc0\u9ede\uff0c\u5206\u6563\u8ca0\u8f09<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u5beb\u5165\u6c38\u9060\u627e\u4e3b\u7bc0\u9ede\uff0c\u8b80\u53d6\u5206\u6563\u5230\u5f9e\u7bc0\u9ede\uff0c\u9019\u6a23\u4e3b\u7bc0\u9ede\u58d3\u529b\u5c31\u5c0f\u4e86\u3002\u300d<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6a21\u5f0f\u4e8c\uff1a\u591a\u4e3b\u8907\u88fd\uff08Multi-Master \/ Leader-Leader\uff09<\/h4>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">      \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510     \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n      \u2502   Leader A   \u2502\u25c4\u2500\u2500\u2500\u25ba\u2502   Leader B   \u2502\n      \u2502  \u53f0\u5317\u6a5f\u623f     \u2502     \u2502  \u6771\u4eac\u6a5f\u623f     \u2502\n      \u2502  \u53ef\u8b80\u53ef\u5beb     \u2502     \u2502  \u53ef\u8b80\u53ef\u5beb     \u2502\n      \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518     \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n            \u4e92\u76f8\u540c\u6b65\u8cc7\u6599\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u5169\u9593\u5206\u9928\u90fd\u80fd\u6536\u65b0\u66f8\uff0c\u800c\u4e14\u6703\u4e92\u76f8\u901a\u77e5\u3002\u53f0\u5317\u6536\u5230\u4e00\u672c\u65b0\u66f8\uff0c\u6771\u4eac\u4e5f\u6703\u540c\u6b65\u4e00\u4efd\u3002\u300d<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5169\u8005\u6bd4\u8f03<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u4e3b\u5f9e\u8907\u88fd<\/th>\n<th>\u591a\u4e3b\u8907\u88fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5beb\u5165\u9ede<\/td>\n<td>\u53ea\u6709\u4e00\u500b<\/td>\n<td>\u591a\u500b<\/td>\n<\/tr>\n<tr>\n<td>\u8907\u96dc\u5ea6<\/td>\n<td>\u8f03\u4f4e<\/td>\n<td>\u8f03\u9ad8\uff08\u8981\u8655\u7406\u885d\u7a81\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u9069\u7528\u5834\u666f<\/td>\n<td>\u8b80\u591a\u5beb\u5c11\uff08\u5982\u90e8\u843d\u683c\uff09<\/td>\n<td>\u591a\u5730\u5340\u90e8\u7f72\uff08\u5982\u8de8\u570b\u670d\u52d9\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u885d\u7a81\u554f\u984c<\/td>\n<td>\u4e0d\u5b58\u5728<\/td>\n<td>\u5169\u908a\u540c\u6642\u6539\u540c\u4e00\u7b46\u8cc7\u6599\u600e\u9ebc\u8fa6\uff1f<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5fc5\u770b\u61c2\uff1a\n- replica \/ replication \u2192 \u8cc7\u6599\u8907\u88fd\u5230\u591a\u53f0\n- leader \/ master \u2192 \u8ca0\u8cac\u5beb\u5165\u7684\u4e3b\u7bc0\u9ede\n- follower \/ replica \/ slave \u2192 \u8ca0\u8cac\u8b80\u53d6\u7684\u5f9e\u7bc0\u9ede\n- \u8b80\u5beb\u5206\u96e2 \u2192 \u5beb\u8d70\u4e3b\u7bc0\u9ede\uff0c\u8b80\u8d70\u5f9e\u7bc0\u9ede\n\n\u77e5\u9053\u5c31\u597d\uff1a\n- replication lag \u2192 \u5f9e\u7bc0\u9ede\u540c\u6b65\u6709\u5ef6\u9072\uff0c\u53ef\u80fd\u8b80\u5230\u820a\u8cc7\u6599\n- failover \u2192 \u4e3b\u7bc0\u9ede\u639b\u4e86\uff0c\u81ea\u52d5\u628a\u5f9e\u7bc0\u9ede\u5347\u70ba\u4e3b\u7bc0\u9ede\n<\/code><\/span><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u5ff5\u4e09\uff1aCAP Theorem\uff08CAP \u5b9a\u7406\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u6563\u5f0f\u7cfb\u7d71\u5728\u7db2\u8def\u51fa\u554f\u984c\u6642\uff0c\u53ea\u80fd\u5728\u300c\u8cc7\u6599\u4e00\u81f4\u300d\u548c\u300c\u6301\u7e8c\u670d\u52d9\u300d\u4e4b\u9593\u4e8c\u9078\u4e00\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u500b\u5b57\u6bcd\u662f\u4ec0\u9ebc\u610f\u601d<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">C = Consistency\uff08\u4e00\u81f4\u6027\uff09\n    \u6bcf\u6b21\u8b80\u53d6\u90fd\u80fd\u62ff\u5230\u6700\u65b0\u7684\u8cc7\u6599\n\nA = Availability\uff08\u53ef\u7528\u6027\uff09\n    \u6bcf\u6b21\u8acb\u6c42\u90fd\u80fd\u5f97\u5230\u56de\u61c9\uff08\u4e0d\u6703\u5831\u932f\uff09\n\nP = Partition Tolerance\uff08\u5206\u5340\u5bb9\u932f\uff09\n    \u7db2\u8def\u65b7\u7dda\u6642\u7cfb\u7d71\u9084\u80fd\u904b\u4f5c\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u53ea\u80fd\u300c\u4e09\u9078\u4e8c\u300d\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u8b1b\u7d50\u8ad6\uff1a<strong>P\uff08\u5206\u5340\u5bb9\u932f\uff09\u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\u662f\u5fc5\u9078\u7684<\/strong>\uff0c\u56e0\u70ba\u7db2\u8def\u4e00\u5b9a\u53ef\u80fd\u65b7\u7dda\u3002\u6240\u4ee5\u5be6\u969b\u4e0a\u662f\u5728 C \u548c A \u4e4b\u9593\u505a\u9078\u64c7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e00\u500b\u5834\u666f\u89e3\u91cb\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u60c5\u5883\uff1a\u53f0\u5317\u548c\u6771\u4eac\u5169\u500b\u8cc7\u6599\u4e2d\u5fc3\uff0c\u4e2d\u9593\u7db2\u8def\u65b7\u4e86\n\n         \u53f0\u5317\u6a5f\u623f                    \u6771\u4eac\u6a5f\u623f\n     \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n     \u2502 \u9918\u984d = $100  \u2502\u2500\u2500 X \u2500\u2500\u2502 \u9918\u984d = $100  \u2502\n     \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u65b7\u7dda   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n\n\u4f7f\u7528\u8005\u5728\u53f0\u5317\u5b58\u4e86 $50\uff0c\u9918\u984d\u8b8a\u6210 $150\n\u4f46\u56e0\u70ba\u7db2\u8def\u65b7\u4e86\uff0c\u6771\u4eac\u90a3\u908a\u9084\u662f\u986f\u793a $100\n\n\u9019\u6642\u5019\u600e\u9ebc\u8fa6\uff1f\n\n\u9078 CP\uff08\u4e00\u81f4\u6027 + \u5206\u5340\u5bb9\u932f\uff09\uff1a\n  \u2192 \u6771\u4eac\u6a5f\u623f\u66ab\u505c\u670d\u52d9\uff0c\u7b49\u5230\u7db2\u8def\u6062\u5fa9\u518d\u540c\u6b65\n  \u2192 \u4f7f\u7528\u8005\u5728\u6771\u4eac\u6703\u6536\u5230\u300c\u670d\u52d9\u66ab\u6642\u4e0d\u53ef\u7528\u300d\n  \u2192 \u4fdd\u8b49\u4e0d\u6703\u8b80\u5230\u932f\u8aa4\u7684\u9918\u984d\n\n\u9078 AP\uff08\u53ef\u7528\u6027 + \u5206\u5340\u5bb9\u932f\uff09\uff1a\n  \u2192 \u6771\u4eac\u6a5f\u623f\u7e7c\u7e8c\u670d\u52d9\uff0c\u4f46\u986f\u793a\u7684\u662f\u820a\u8cc7\u6599 $100\n  \u2192 \u4f7f\u7528\u8005\u4e0d\u6703\u6536\u5230\u932f\u8aa4\uff0c\u4f46\u770b\u5230\u7684\u8cc7\u6599\u53ef\u80fd\u4e0d\u662f\u6700\u65b0\u7684\n  \u2192 \u7b49\u7db2\u8def\u6062\u5fa9\u5f8c\u518d\u6162\u6162\u540c\u6b65\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5be6\u969b\u7cfb\u7d71\u600e\u9ebc\u9078\uff1f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7cfb\u7d71\u985e\u578b<\/th>\n<th>\u9078\u64c7<\/th>\n<th>\u539f\u56e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9280\u884c\u8f49\u5e33<\/td>\n<td><strong>CP<\/strong><\/td>\n<td>\u7d55\u5c0d\u4e0d\u80fd\u986f\u793a\u932f\u8aa4\u9918\u984d\uff0c\u5be7\u53ef\u66ab\u505c\u670d\u52d9<\/td>\n<\/tr>\n<tr>\n<td>\u793e\u4ea4\u5a92\u9ad4\u52d5\u614b<\/td>\n<td><strong>AP<\/strong><\/td>\n<td>\u5c11\u770b\u5230\u4e00\u5247\u8cbc\u6587\u6c92\u95dc\u4fc2\uff0c\u4f46\u4e0d\u80fd\u300c\u6253\u4e0d\u958b App\u300d<\/td>\n<\/tr>\n<tr>\n<td>\u8cfc\u7269\u8eca<\/td>\n<td><strong>AP<\/strong><\/td>\n<td>\u5148\u8b93\u4f7f\u7528\u8005\u52a0\u8cfc\u7269\u8eca\uff0c\u5eab\u5b58\u4e4b\u5f8c\u518d\u78ba\u8a8d<\/td>\n<\/tr>\n<tr>\n<td>\u5eab\u5b58\u6263\u6e1b<\/td>\n<td><strong>CP<\/strong><\/td>\n<td>\u4e0d\u80fd\u8d85\u8ce3\uff0c\u5be7\u53ef\u986f\u793a\u300c\u7cfb\u7d71\u5fd9\u788c\u300d<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7576\u4f60\u770b\u5230 AI \u63a8\u85a6\u4e0d\u540c\u7684\u8cc7\u6599\u5eab\u6642<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">AI \u8aaa\uff1a\u300c\u6211\u5efa\u8b70\u7528 MongoDB\u300d\n\u2192 MongoDB \u9810\u8a2d\u504f\u5411 CP\uff08\u53ef\u8a2d\u5b9a\u70ba AP\uff09\n\u2192 \u9069\u5408\u9700\u8981\u4e00\u81f4\u6027\u7684\u5834\u666f\n\nAI \u8aaa\uff1a\u300c\u6211\u5efa\u8b70\u7528 Cassandra\u300d\n\u2192 Cassandra \u504f\u5411 AP\n\u2192 \u9069\u5408\u9ad8\u53ef\u7528\u3001\u80fd\u5bb9\u5fcd\u77ed\u66ab\u4e0d\u4e00\u81f4\u7684\u5834\u666f\n\nAI \u8aaa\uff1a\u300c\u6211\u5efa\u8b70\u7528 Redis Cluster\u300d\n\u2192 Redis \u504f\u5411 AP\n\u2192 \u9069\u5408\u5feb\u53d6\u5834\u666f\uff0c\u8cc7\u6599\u77ed\u66ab\u4e0d\u4e00\u81f4\u53ef\u63a5\u53d7\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u8cc7\u6599\u5eab\u7684\u9078\u64c7\u53cd\u6620\u4e86\u7cfb\u7d71\u5c0d CAP \u7684\u53d6\u6368\u3002\u770b\u5230 AI \u63a8\u85a6\u67d0\u500b\u8cc7\u6599\u5eab\u6642\uff0c\u554f\u81ea\u5df1\uff1a\u9019\u500b\u7cfb\u7d71\u9700\u8981\u7684\u662f\u300e\u4e00\u81f4\u6027\u300f\u9084\u662f\u300e\u53ef\u7528\u6027\u300f\uff1f\u300d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5fc5\u770b\u61c2\uff1a\n- CAP \u4e09\u500b\u5b57\u6bcd\u5206\u5225\u4ee3\u8868\u4ec0\u9ebc\n- \u5be6\u969b\u4e0a\u662f\u5728 C \u548c A \u4e4b\u9593\u9078\n- \u4e0d\u540c\u7cfb\u7d71\u6709\u4e0d\u540c\u7684\u53d6\u6368\n\n\u77e5\u9053\u5c31\u597d\uff1a\n- PACELC \u5b9a\u7406 \u2192 CAP \u7684\u5ef6\u4f38\u7248\u672c\n- eventual consistency\uff08\u6700\u7d42\u4e00\u81f4\u6027\uff09\u2192 AP \u7cfb\u7d71\u7684\u5e38\u898b\u7b56\u7565\n- quorum \u2192 \u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\u300c\u591a\u6578\u6c7a\u300d\u7684\u6295\u7968\u6a5f\u5236\n<\/code><\/span><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u5ff5\u56db\uff1aMessage Queues\uff08\u8a0a\u606f\u4f47\u5217\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u670d\u52d9\u4e4b\u9593\u4e0d\u76f4\u63a5\u5c0d\u8a71\uff0c\u800c\u662f\u628a\u8a0a\u606f\u4e1f\u9032\u6392\u968a\u5340\uff0c\u5c0d\u65b9\u6709\u7a7a\u518d\u4f86\u8655\u7406\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9910\u5ef3\u6bd4\u55bb<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u50b3\u7d71\u505a\u6cd5\uff08\u540c\u6b65\u3001\u76f4\u63a5\u547c\u53eb\uff09\uff1a\n  \u5ba2\u4eba \u2192 \u76f4\u63a5\u5c0d\u5eda\u5e2b\u558a \u2192 \u5eda\u5e2b\u505a\u5b8c\u624d\u80fd\u63a5\u4e0b\u4e00\u55ae\n  \u554f\u984c\uff1a\u5eda\u5e2b\u5fd9\u4e0d\u904e\u4f86\u6642\uff0c\u5ba2\u4eba\u53ea\u80fd\u4e7e\u7b49\n\nMessage Queue \u505a\u6cd5\uff08\u975e\u540c\u6b65\u3001\u89e3\u8026\uff09\uff1a\n  \u5ba2\u4eba \u2192 \u9ede\u55ae\u5beb\u5728\u7d19\u4e0a \u2192 \u653e\u5230\u51fa\u55ae\u53f0 \u2192 \u5eda\u5e2b\u4f9d\u5e8f\u53d6\u55ae\u8655\u7406\n  \u597d\u8655\uff1a\u5ba2\u4eba\u9ede\u5b8c\u5c31\u53ef\u4ee5\u53bb\u804a\u5929\u4e86\uff0c\u5eda\u5e2b\u6309\u81ea\u5df1\u901f\u5ea6\u505a\n<\/code><\/span><\/pre><\/div>\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 \u5ba2\u4eba    \u2502\u2500\u2500\u2500\u25ba\u2502   \u51fa\u55ae\u53f0      \u2502\u2500\u2500\u2500\u25ba\u2502   \u5eda\u5e2b      \u2502\n\u2502(Producer)\u2502    \u2502(Message Queue)\u2502    \u2502 (Consumer)  \u2502\n\u2502 \u751f\u7522\u8005  \u2502    \u2502  \u8a0a\u606f\u4f47\u5217     \u2502    \u2502  \u6d88\u8cbb\u8005     \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n\n\u5ba2\u4eba\u4e0d\u9700\u8981\u77e5\u9053\u54ea\u500b\u5eda\u5e2b\u5728\u505a\n\u5eda\u5e2b\u4e0d\u9700\u8981\u77e5\u9053\u54ea\u500b\u5ba2\u4eba\u9ede\u7684\n\u2192 \u9019\u5c31\u662f\u300c\u89e3\u8026\u300d\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\u7bc4\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u770b\u5230 AI \u5beb\u51fa\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># \u751f\u7522\u8005\uff08Producer\uff09\uff1a\u628a\u4efb\u52d9\u4e1f\u9032 Queue<\/span>\nimport pika  <span class=\"hljs-comment\"># RabbitMQ \u7684 Python \u5957\u4ef6<\/span>\n\nconnection = pika.BlockingConnection(pika.ConnectionParameters(<span class=\"hljs-string\">'localhost'<\/span>))\nchannel = connection.channel()\nchannel.queue_declare(queue=<span class=\"hljs-string\">'order_queue'<\/span>)      <span class=\"hljs-comment\"># \u5efa\u7acb\u4e00\u500b\u53eb order_queue \u7684\u4f47\u5217<\/span>\nchannel.basic_publish(\n    exchange=<span class=\"hljs-string\">''<\/span>,\n    routing_key=<span class=\"hljs-string\">'order_queue'<\/span>,\n    body=<span class=\"hljs-string\">'{\"order_id\": 123, \"item\": \"\u62ff\u9435\"}'<\/span>   <span class=\"hljs-comment\"># \u628a\u8a02\u55ae\u4e1f\u9032\u4f47\u5217<\/span>\n)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u9023\u4e0a RabbitMQ\uff0c\u5efa\u7acb\u4e00\u500b\u53eb <code>order_queue<\/code> \u7684\u6392\u968a\u5340\uff0c\u628a\u4e00\u7b46\u8a02\u55ae\u4e1f\u9032\u53bb\u3002\u300d<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># \u6d88\u8cbb\u8005\uff08Consumer\uff09\uff1a\u5f9e Queue \u53d6\u51fa\u4efb\u52d9\u8655\u7406<\/span>\ndef process_order(ch, method, properties, body):\n    order = json.loads(body)                     <span class=\"hljs-comment\"># \u53d6\u51fa\u8a02\u55ae<\/span>\n    <span class=\"hljs-keyword\">print<\/span>(f<span class=\"hljs-string\">\"\u6b63\u5728\u88fd\u4f5c\uff1a{order&#91;'item']}\"<\/span>)           <span class=\"hljs-comment\"># \u8655\u7406\u8a02\u55ae<\/span>\n    ch.basic_ack(delivery_tag=method.delivery_tag)  <span class=\"hljs-comment\"># \u544a\u8a34 Queue\uff1a\u6211\u8655\u7406\u5b8c\u4e86<\/span>\n\nchannel.basic_consume(\n    queue=<span class=\"hljs-string\">'order_queue'<\/span>,\n    on_message_callback=process_order            <span class=\"hljs-comment\"># \u6709\u65b0\u8a02\u55ae\u6642\u547c\u53eb\u9019\u500b\u51fd\u5f0f<\/span>\n)\nchannel.start_consuming()                        <span class=\"hljs-comment\"># \u958b\u59cb\u6301\u7e8c\u76e3\u807d<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u6301\u7e8c\u76e3\u807d <code>order_queue<\/code>\uff0c\u6709\u65b0\u8a02\u55ae\u5c31\u53d6\u51fa\u4f86\u8655\u7406\uff0c\u8655\u7406\u5b8c\u56de\u5831\u3002\u300d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u8981\u7528 Message Queue\uff1f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5834\u666f\uff1a\u4f7f\u7528\u8005\u4e0b\u55ae\u5f8c\u8981\u505a\u4e09\u4ef6\u4e8b\n1. \u6263\u5eab\u5b58\n2. \u5bc4\u78ba\u8a8d\u4fe1\n3. \u901a\u77e5\u7269\u6d41\n\n\u6c92\u6709 Message Queue\uff08\u540c\u6b65\uff09\uff1a\n  \u4f7f\u7528\u8005\u6309\u4e0b\u55ae \u2192 \u7b49\u6263\u5eab\u5b58 \u2192 \u7b49\u5bc4\u4fe1 \u2192 \u7b49\u901a\u77e5\u7269\u6d41 \u2192 \u7d42\u65bc\u6536\u5230\u300c\u4e0b\u55ae\u6210\u529f\u300d\n  \u7e3d\u8017\u6642\uff1a300ms + 500ms + 200ms = 1000ms\n  \u554f\u984c\uff1a\u5bc4\u4fe1\u670d\u52d9\u639b\u4e86 \u2192 \u6574\u500b\u4e0b\u55ae\u5931\u6557\uff01\n\n\u6709 Message Queue\uff08\u975e\u540c\u6b65\uff09\uff1a\n  \u4f7f\u7528\u8005\u6309\u4e0b\u55ae \u2192 \u6263\u5eab\u5b58 \u2192 \u628a\u300c\u5bc4\u4fe1\u300d\u548c\u300c\u901a\u77e5\u7269\u6d41\u300d\u4e1f\u9032 Queue \u2192 \u99ac\u4e0a\u56de\u300c\u4e0b\u55ae\u6210\u529f\u300d\n  \u4f7f\u7528\u8005\u7b49\u5f85\uff1a300ms\n  \u5bc4\u4fe1\u548c\u7269\u6d41\u5728\u80cc\u666f\u6162\u6162\u8655\u7406\n  \u5bc4\u4fe1\u670d\u52d9\u639b\u4e86\uff1f\u6c92\u95dc\u4fc2\uff0cQueue \u6703\u4fdd\u7559\u8a0a\u606f\uff0c\u7b49\u5b83\u6062\u5fa9\u518d\u8655\u7406\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u898b\u7684 Message Queue \u5de5\u5177<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u5de5\u5177<\/th>\n<th>\u5b9a\u4f4d<\/th>\n<th>\u4e00\u53e5\u8a71\u7ffb\u8b6f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>RabbitMQ<\/strong><\/td>\n<td>\u50b3\u7d71\u8a0a\u606f\u4f47\u5217<\/td>\n<td>\u300c\u90f5\u5c40\u300d\uff1a\u78ba\u4fdd\u6bcf\u5c01\u4fe1\u90fd\u9001\u9054<\/td>\n<\/tr>\n<tr>\n<td><strong>Apache Kafka<\/strong><\/td>\n<td>\u5206\u6563\u5f0f\u4e32\u6d41\u5e73\u53f0<\/td>\n<td>\u300c\u5ee3\u64ad\u96fb\u53f0\u300d\uff1a\u8a0a\u606f\u53ef\u4ee5\u88ab\u591a\u500b\u6d88\u8cbb\u8005\u91cd\u8907\u8b80\u53d6<\/td>\n<\/tr>\n<tr>\n<td><strong>Redis Pub\/Sub<\/strong><\/td>\n<td>\u8f15\u91cf\u767c\u5e03\/\u8a02\u95b1<\/td>\n<td>\u300c\u5c0d\u8b1b\u6a5f\u300d\uff1a\u5373\u6642\u50b3\u8a71\uff0c\u4f46\u4e0d\u4fdd\u7559\u6b77\u53f2<\/td>\n<\/tr>\n<tr>\n<td><strong>Amazon SQS<\/strong><\/td>\n<td>\u96f2\u7aef\u8a17\u7ba1\u4f47\u5217<\/td>\n<td>\u300c\u96f2\u7aef\u90f5\u5c40\u300d\uff1a\u4e0d\u7528\u81ea\u5df1\u67b6\u8a2d<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7576\u4f60\u770b\u5230 AI \u5728 docker-compose \u88e1\u52a0\u4e86 RabbitMQ \u6216 Kafka<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># AI \u751f\u6210\u7684 docker-compose.yml<\/span>\nservices:\n  app:\n    build: .\n    depends_on:\n      - rabbitmq              <span class=\"hljs-comment\"># \u61c9\u7528\u4f9d\u8cf4 RabbitMQ<\/span>\n\n  rabbitmq:\n    image: rabbitmq:management\n    ports:\n      - <span class=\"hljs-string\">\"5672:5672\"<\/span>           <span class=\"hljs-comment\"># AMQP \u5354\u8b70\u57e0\uff08\u7a0b\u5f0f\u9023\u7dda\u7528\uff09<\/span>\n      - <span class=\"hljs-string\">\"15672:15672\"<\/span>         <span class=\"hljs-comment\"># \u7ba1\u7406\u4ecb\u9762\uff08\u700f\u89bd\u5668\u958b localhost:15672\uff09<\/span>\n\n  worker:\n    build: .\n    command: python worker.py  <span class=\"hljs-comment\"># \u6d88\u8cbb\u8005\uff0c\u6301\u7e8c\u8655\u7406 Queue \u88e1\u7684\u4efb\u52d9<\/span>\n    depends_on:\n      - rabbitmq\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u300c\u9019\u500b\u67b6\u69cb\u6709\u4e09\u500b\u89d2\u8272\uff1aapp \u8ca0\u8cac\u4e1f\u4efb\u52d9\u9032 Queue\uff0crabbitmq \u662f\u90a3\u500b Queue\uff0cworker \u8ca0\u8cac\u5f9e Queue \u53d6\u4efb\u52d9\u8655\u7406\u3002\u300d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\u5fc5\u770b\u61c2\uff1a\n- producer \/ publisher \u2192 \u4e1f\u8a0a\u606f\u9032 Queue \u7684\u4eba\n- consumer \/ subscriber \u2192 \u5f9e Queue \u53d6\u8a0a\u606f\u8655\u7406\u7684\u4eba\n- queue \u2192 \u8a0a\u606f\u6392\u968a\u7684\u5730\u65b9\n- <span class=\"hljs-keyword\">async<\/span> \/ \u975e\u540c\u6b65 \u2192 \u4e1f\u4e86\u5c31\u8d70\uff0c\u4e0d\u7528\u7b49\u7d50\u679c\n\n\u77e5\u9053\u5c31\u597d\uff1a\n- dead letter queue \u2192 \u8655\u7406\u5931\u6557\u7684\u8a0a\u606f\u53bb\u7684\u5730\u65b9\n- acknowledgment (ack) \u2192 \u6d88\u8cbb\u8005\u56de\u5831\u300c\u6211\u8655\u7406\u5b8c\u4e86\u300d\n- backpressure \u2192 Queue \u6eff\u4e86\uff0c\u8981\u6c42\u751f\u7522\u8005\u6162\u4e00\u9ede\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u770b\u5230 AI \u751f\u6210\u7684\u67b6\u69cb\u5305\u542b\u5206\u6563\u5f0f\u6982\u5ff5\u6642\uff0c\u78ba\u8a8d\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] <strong>Sharding<\/strong>\uff1aAI \u9078\u4e86\u4ec0\u9ebc shard key\uff1f\u6703\u4e0d\u6703\u9020\u6210 hot spot\uff1f<\/li>\n\n\n<li>[ ] <strong>Replication<\/strong>\uff1a\u662f\u4e3b\u5f9e\u9084\u662f\u591a\u4e3b\uff1f\u8b80\u5beb\u5206\u96e2\u7684\u908f\u8f2f\u6b63\u78ba\u55ce\uff1f<\/li>\n\n\n<li>[ ] <strong>CAP \u53d6\u6368<\/strong>\uff1a\u9019\u500b\u7cfb\u7d71\u9700\u8981\u4e00\u81f4\u6027\u9084\u662f\u53ef\u7528\u6027\uff1f\u8cc7\u6599\u5eab\u9078\u5c0d\u4e86\u55ce\uff1f<\/li>\n\n\n<li>[ ] <strong>Message Queue<\/strong>\uff1a\u54ea\u4e9b\u64cd\u4f5c\u771f\u7684\u9700\u8981\u975e\u540c\u6b65\uff1fQueue \u639b\u4e86\u6703\u600e\u6a23\uff1f<\/li>\n\n\n<li>[ ] <strong>\u6574\u9ad4\u601d\u8003<\/strong>\uff1a\u9019\u500b\u7cfb\u7d71\u771f\u7684\u9700\u8981\u5206\u6563\u5f0f\u67b6\u69cb\u55ce\uff1f\u55ae\u6a5f\u80fd\u4e0d\u80fd\u89e3\u6c7a\uff1f<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7cfb\u5217\u7e3d\u7d50\uff1a20 \u500b\u6982\u5ff5\u7684\u5168\u666f\u5716<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8d70\u904e\u4e94\u7bc7\u6587\u7ae0\uff0c\u6211\u5011\u5df2\u7d93\u8a8d\u8b58\u4e86\u7cfb\u7d71\u8a2d\u8a08\u7684 20 \u500b\u6838\u5fc3\u6982\u5ff5\u3002\u73fe\u5728\u628a\u5b83\u5011\u4e32\u8d77\u4f86\uff0c\u770b\u770b\u4e00\u500b\u5b8c\u6574\u7684\u7cfb\u7d71\u9577\u4ec0\u9ebc\u6a23\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u500b\u8acb\u6c42\u7684\u65c5\u7a0b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u60f3\u50cf\u4e00\u500b\u4f7f\u7528\u8005\u6253\u958b\u624b\u6a5f App\uff0c\u700f\u89bd\u4e00\u500b\u96fb\u5546\u7db2\u7ad9\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\u4f7f\u7528\u8005\u6253\u958b App\n     \u2502\n     \u25bc\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n  \u2502  \u7b2c <span class=\"hljs-number\">1<\/span> \u7bc7\uff1a\u7db2\u8def\u57fa\u790e                                    \u2502\n  \u2502                                                       \u2502\n  \u2502  <span class=\"hljs-number\">1.<\/span> IP Address \u2192 \u627e\u5230\u4f3a\u670d\u5668\u5728\u54ea\u88e1                      \u2502\n  \u2502  <span class=\"hljs-number\">2.<\/span> DNS \u2192 \u628a\u7db2\u5740\u7ffb\u8b6f\u6210 IP                              \u2502\n  \u2502  <span class=\"hljs-number\">3.<\/span> HTTP\/HTTPS \u2192 \u9001\u51fa\u8acb\u6c42\u3001\u6536\u5230\u56de\u61c9                     \u2502\n  \u2502  <span class=\"hljs-number\">4.<\/span> TCP\/UDP \u2192 \u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u9001\u9054                          \u2502\n  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                          \u2502\n                          \u25bc\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n  \u2502  \u7b2c <span class=\"hljs-number\">2<\/span> \u7bc7\uff1aAPI \u8207\u4ee3\u7406                                   \u2502\n  \u2502                                                       \u2502\n  \u2502  <span class=\"hljs-number\">5.<\/span> API \u2192 \u524d\u7aef\u548c\u5f8c\u7aef\u6e9d\u901a\u7684\u4ecb\u9762                          \u2502\n  \u2502  <span class=\"hljs-number\">6.<\/span> REST API \u2192 \u7528 HTTP \u52d5\u8a5e\u64cd\u4f5c\u8cc7\u6e90                    \u2502\n  \u2502  <span class=\"hljs-number\">7.<\/span> GraphQL \u2192 \u524d\u7aef\u7cbe\u6e96\u8981\u6c42\u9700\u8981\u7684\u8cc7\u6599                    \u2502\n  \u2502  <span class=\"hljs-number\">8.<\/span> gRPC \u2192 \u5fae\u670d\u52d9\u4e4b\u9593\u9ad8\u6548\u7387\u901a\u8a0a                         \u2502\n  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                          \u2502\n                          \u25bc\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n  \u2502  \u7b2c <span class=\"hljs-number\">3<\/span> \u7bc7\uff1a\u64f4\u5c55\u8207\u6548\u80fd                                   \u2502\n  \u2502                                                       \u2502\n  \u2502  <span class=\"hljs-number\">9.<\/span> <span class=\"hljs-built_in\">Proxy<\/span> \/ Reverse <span class=\"hljs-built_in\">Proxy<\/span> \u2192 \u8acb\u6c42\u5148\u7d93\u904e\u4ee3\u7406              \u2502\n  \u2502  <span class=\"hljs-number\">10.<\/span> Load Balancer \u2192 \u5206\u914d\u6d41\u91cf\u5230\u591a\u53f0\u4f3a\u670d\u5668               \u2502\n  \u2502  <span class=\"hljs-number\">11.<\/span> Caching \u2192 \u5feb\u53d6\u5e38\u7528\u8cc7\u6599\uff0c\u52a0\u901f\u56de\u61c9                   \u2502\n  \u2502  <span class=\"hljs-number\">12.<\/span> CDN \u2192 \u975c\u614b\u8cc7\u6e90\u653e\u5230\u96e2\u4f7f\u7528\u8005\u6700\u8fd1\u7684\u7bc0\u9ede               \u2502\n  \u2502  <span class=\"hljs-number\">13.<\/span> \u6c34\u5e73\u64f4\u5c55 vs \u5782\u76f4\u64f4\u5c55 \u2192 \u52a0\u6a5f\u5668 vs \u5347\u7d1a\u6a5f\u5668          \u2502\n  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                          \u2502\n                          \u25bc\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n  \u2502  \u7b2c <span class=\"hljs-number\">4<\/span> \u7bc7\uff1a\u8cc7\u6599\u5eab\u8207\u5132\u5b58                                  \u2502\n  \u2502                                                       \u2502\n  \u2502  <span class=\"hljs-number\">14.<\/span> SQL \u2192 \u7d50\u69cb\u5316\u8cc7\u6599\u3001\u95dc\u806f\u67e5\u8a62                         \u2502\n  \u2502  <span class=\"hljs-number\">15.<\/span> NoSQL \u2192 \u5f48\u6027\u7d50\u69cb\u3001\u6c34\u5e73\u64f4\u5c55                         \u2502\n  \u2502  <span class=\"hljs-number\">16.<\/span> ACID \u2192 \u4ea4\u6613\u7684\u56db\u5927\u4fdd\u8b49                              \u2502\n  \u2502  <span class=\"hljs-number\">17.<\/span> Blob Storage \u2192 \u5716\u7247\u3001\u5f71\u7247\u7b49\u5927\u6a94\u6848\u5132\u5b58              \u2502\n  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                          \u2502\n                          \u25bc\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n  \u2502  \u7b2c <span class=\"hljs-number\">5<\/span> \u7bc7\uff1a\u5206\u6563\u5f0f\u7cfb\u7d71\uff08\u672c\u7bc7\uff09                             \u2502\n  \u2502                                                       \u2502\n  \u2502  <span class=\"hljs-number\">18.<\/span> Sharding \u2192 \u8cc7\u6599\u592a\u591a\uff0c\u5206\u6563\u5230\u591a\u53f0\u6a5f\u5668                 \u2502\n  \u2502  <span class=\"hljs-number\">19.<\/span> Replication \u2192 \u8cc7\u6599\u5099\u4efd\uff0c\u63d0\u9ad8\u53ef\u7528\u6027                  \u2502\n  \u2502  <span class=\"hljs-number\">20.<\/span> CAP Theorem \u2192 \u4e00\u81f4\u6027 vs \u53ef\u7528\u6027\u7684\u53d6\u6368               \u2502\n  \u2502  \uff0b Message Queues \u2192 \u670d\u52d9\u4e4b\u9593\u975e\u540c\u6b65\u6e9d\u901a                  \u2502\n  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5b8c\u6574\u67b6\u69cb\uff1a\u5168\u90e8\u6982\u5ff5\u5408\u5728\u4e00\u8d77<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">                         \u4f7f\u7528\u8005\n                           \u2502\n                    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                    \u2502    DNS (2)   \u2502 \u628a\u7db2\u5740\u7ffb\u8b6f\u6210 IP\n                    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                           \u2502\n                    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                    \u2502   CDN (12)   \u2502 \u975c\u614b\u8cc7\u6e90\u5c31\u8fd1\u53d6\u5f97\n                    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                           \u2502\n                    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                    \u2502 Load         \u2502\n                    \u2502 Balancer(10) \u2502 \u5206\u914d\u6d41\u91cf\n                    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                     \u250c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2510\n                     \u25bc     \u25bc     \u25bc\n                  \u250c\u2500\u2500\u2500\u2500\u2500\u2510\u250c\u2500\u2500\u2500\u2500\u2500\u2510\u250c\u2500\u2500\u2500\u2500\u2500\u2510\n                  \u2502App 1\u2502\u2502App 2\u2502\u2502App 3\u2502  \u6c34\u5e73\u64f4\u5c55 (13)\n                  \u2514\u2500\u2500\u252c\u2500\u2500\u2518\u2514\u2500\u2500\u252c\u2500\u2500\u2518\u2514\u2500\u2500\u252c\u2500\u2500\u2518\n                     \u2502      \u2502      \u2502\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n              \u2502                            \u2502\n       \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n       \u2502 Cache (11)   \u2502              \u2502 Message      \u2502\n       \u2502 Redis        \u2502              \u2502 Queue (MQ)   \u2502\n       \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n              \u2502                            \u2502\n              \u2502                     \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n              \u2502                     \u2502   Workers    \u2502\n              \u2502                     \u2502 \u80cc\u666f\u8655\u7406\u4efb\u52d9  \u2502\n              \u2502                     \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n              \u2502\n       \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n       \u2502   Database   \u2502\n       \u2502   Cluster    \u2502\n       \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n       \u2502 Sharding(18)\u2502 \u8cc7\u6599\u5206\u7247\n       \u2502 Replica (19)\u2502 \u8b80\u5beb\u5206\u96e2\n       \u2502 CAP\u53d6\u6368 (20)\u2502 \u4e00\u81f4\u6027 vs \u53ef\u7528\u6027\n       \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n              \u2502\n       \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n       \u2502 Blob         \u2502\n       \u2502 Storage (17) \u2502 \u5716\u7247\u5f71\u7247\u5132\u5b58\n       \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4e94\u7bc7\u7684\u5b78\u7fd2\u8def\u5f91\u56de\u9867<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7bc7\u6578<\/th>\n<th>\u4e3b\u984c<\/th>\n<th>\u56de\u7b54\u7684\u6838\u5fc3\u554f\u984c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>#01<\/td>\n<td>\u7db2\u8def\u57fa\u790e<\/td>\n<td>\u8acb\u6c42\u600e\u9ebc\u5f9e\u700f\u89bd\u5668\u9001\u5230\u4f3a\u670d\u5668\uff1f<\/td>\n<\/tr>\n<tr>\n<td>#02<\/td>\n<td>API \u8207\u4ee3\u7406<\/td>\n<td>\u524d\u7aef\u548c\u5f8c\u7aef\u600e\u9ebc\u6e9d\u901a\uff1f<\/td>\n<\/tr>\n<tr>\n<td>#03<\/td>\n<td>\u64f4\u5c55\u8207\u6548\u80fd<\/td>\n<td>\u6d41\u91cf\u5927\u4e86\u600e\u9ebc\u8fa6\uff1f<\/td>\n<\/tr>\n<tr>\n<td>#04<\/td>\n<td>\u8cc7\u6599\u5eab\u8207\u5132\u5b58<\/td>\n<td>\u8cc7\u6599\u600e\u9ebc\u5b58\u3001\u600e\u9ebc\u67e5\uff1f<\/td>\n<\/tr>\n<tr>\n<td>#05<\/td>\n<td>\u5206\u6563\u5f0f\u7cfb\u7d71<\/td>\n<td>\u4e00\u53f0\u6a5f\u5668\u4e0d\u5920\u6642\u600e\u9ebc\u5354\u4f5c\uff1f<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7cfb\u5217\u5b8c\u7d50\u8a9e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7d71\u8a2d\u8a08\u4e0d\u662f\u300c\u80cc\u7b54\u6848\u300d\uff0c\u800c\u662f\u7406\u89e3\u300c\u70ba\u4ec0\u9ebc\u8981\u9019\u6a23\u505a\u300d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u70ba Vibe Coder\uff0c\u4f60\u4e0d\u9700\u8981\u5f9e\u96f6\u624b\u5beb\u4e00\u500b\u5206\u6563\u5f0f\u7cfb\u7d71\u3002\u4f46\u7576 AI \u5e6b\u4f60\u751f\u6210\u4e86\u4e00\u500b\u5305\u542b Redis Cluster\u3001RabbitMQ\u3001\u591a\u53f0\u8cc7\u6599\u5eab\u7684\u67b6\u69cb\u6642\uff0c\u4f60\u9700\u8981\u770b\u5f97\u61c2\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li><strong>\u9019\u4e9b\u5143\u4ef6\u5206\u5225\u5728\u505a\u4ec0\u9ebc<\/strong>\uff08\u672c\u7cfb\u5217\u6559\u4f60\u7684\uff09<\/li>\n\n\n<li><strong>\u9019\u6a23\u7684\u8a2d\u8a08\u5408\u4e0d\u5408\u7406<\/strong>\uff08\u4f60\u7684\u5224\u65b7\u529b\uff09<\/li>\n\n\n<li><strong>\u54ea\u88e1\u53ef\u80fd\u51fa\u554f\u984c<\/strong>\uff08\u6aa2\u67e5\u9ede\u5e6b\u4f60\u78ba\u8a8d\uff09<\/li>\n\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">20 \u500b\u6982\u5ff5\uff0c5 \u7bc7\u6587\u7ae0\uff0c\u5c31\u662f\u4f60\u770b\u61c2\u7cfb\u7d71\u67b6\u69cb\u7684\u57fa\u672c\u5de5\u5177\u7bb1\u3002\u9047\u5230\u65b0\u6982\u5ff5\u6642\uff0c\u56de\u4f86\u7ffb\u7ffb\u9019\u500b\u5168\u666f\u5716\uff0c\u627e\u5230\u5b83\u5728\u67b6\u69cb\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5c31\u80fd\u5feb\u901f\u7406\u89e3\u5b83\u7684\u89d2\u8272\u3002<\/p>\n\n\n\n<div id=\"quiz-e6a15071\">\n<style>\n#quiz-e6a15071 .badge {\n        display: inline-block;\n        padding: 4px 10px;\n        border-radius: 12px;\n        font-size: 0.75em;\n        font-weight: bold;\n        margin-left: 8px;\n      }#quiz-e6a15071 .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-e6a15071 .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-e6a15071 .question-adv {\n        background: white;\n        border-radius: 10px;\n        padding: 24px;\n        margin: 20px 0;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n        border-left: 4px solid #ed8936;\n      }#quiz-e6a15071 .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-e6a15071 .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Menlo\", \"Monaco\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }#quiz-e6a15071 .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-e6a15071 .options-adv li {\n        padding: 14px 16px;\n        margin: 10px 0;\n        border: 2px solid #e2e8f0;\n        border-radius: 8px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-e6a15071 .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-e6a15071 .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-e6a15071 .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-e6a15071 .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-e6a15071 .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-e6a15071 .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-e6a15071 .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-e6a15071 .feedback-adv \n      .score-adv {\n        text-align: center;\n        font-size: 1.4em;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        margin-top: 24px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n      }#quiz-e6a15071 .intro {\n        background: #ebf8ff;\n        padding: 16px;\n        border-radius: 8px;\n        margin-bottom: 20px;\n        color: #2c5282;\n      }\n<\/style>\n<h1>\u9032\u968e\u6e2c\u9a57\uff1a\u5206\u6563\u5f0f\u7cfb\u7d71 \u2014 Sharding\u3001Replication\u3001CAP Theorem\u3001Message Queues<\/h1>\n    <div class=\"intro\">\n      <strong>\u6e2c\u9a57\u76ee\u6a19\uff1a<\/strong>\u9a57\u8b49\u4f60\u662f\u5426\u80fd\u5728\u5be6\u969b\u60c5\u5883\u4e2d\u61c9\u7528\u6240\u5b78\u3002<br \/>\n      \u5171 5 \u984c\uff0c\u5305\u542b\u60c5\u5883\u984c\u8207\u932f\u8aa4\u8a3a\u65b7\u984c\u3002\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. \u4f60\u6b63\u5728\u958b\u767c\u4e00\u500b\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\uff0c\u4f7f\u7528\u8005\u904d\u5e03\u5168\u7403\u3002\u7cfb\u7d71\u9700\u8981\u8b93\u4f7f\u7528\u8005\u96a8\u6642\u90fd\u80fd\u6253\u958b App \u700f\u89bd\u52d5\u614b\u7246\uff0c\u5373\u4f7f\u5076\u723e\u770b\u5230\u7684\u8cbc\u6587\u4e0d\u662f\u6700\u65b0\u7684\u4e5f\u53ef\u4ee5\u63a5\u53d7\u3002\u6839\u64da CAP Theorem\uff0c\u4f60\u61c9\u8a72\u9078\u64c7\u54ea\u7a2e\u53d6\u6368\u7b56\u7565\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'B')\">A. \u9078\u64c7 CP &#8212; \u78ba\u4fdd\u6bcf\u6b21\u90fd\u770b\u5230\u6700\u65b0\u8cbc\u6587\uff0c\u7db2\u8def\u7570\u5e38\u6642\u66ab\u505c\u670d\u52d9<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'B')\">B. \u9078\u64c7 AP &#8212; \u512a\u5148\u4fdd\u8b49\u670d\u52d9\u53ef\u7528\uff0c\u5141\u8a31\u77ed\u66ab\u7684\u8cc7\u6599\u4e0d\u4e00\u81f4<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'B')\">C. \u9078\u64c7 CA &#8212; \u540c\u6642\u4fdd\u8b49\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\uff0c\u653e\u68c4\u5206\u5340\u5bb9\u932f<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'B')\">D. \u4e0d\u9700\u8981\u8003\u616e CAP\uff0c\u76f4\u63a5\u7528\u55ae\u53f0\u4f3a\u670d\u5668\u5c31\u4e0d\u6703\u6709\u5206\u6563\u5f0f\u554f\u984c<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u4f60\u7684\u96fb\u5546\u7cfb\u7d71\u6709\u4e00\u500b\u300c\u4f7f\u7528\u8005\u4e0b\u55ae\u300d\u529f\u80fd\uff0c\u4e0b\u55ae\u5f8c\u9700\u8981\uff1a(1) \u6263\u5eab\u5b58\u3001(2) \u5bc4\u78ba\u8a8d\u4fe1\u3001(3) \u901a\u77e5\u7269\u6d41\u3002\u76ee\u524d\u4e09\u500b\u6b65\u9a5f\u662f\u540c\u6b65\u57f7\u884c\uff0c\u4f7f\u7528\u8005\u9700\u8981\u7b49 1 \u79d2\u624d\u6536\u5230\u56de\u61c9\u3002\u4f60\u60f3\u7528 Message Queue \u512a\u5316\uff0c\u4ee5\u4e0b\u54ea\u7a2e\u505a\u6cd5\u6700\u5408\u7406\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'C')\">A. \u628a\u4e09\u500b\u6b65\u9a5f\u5168\u90e8\u4e1f\u9032 Message Queue\uff0c\u4f7f\u7528\u8005\u7acb\u523b\u6536\u5230\u300c\u4e0b\u55ae\u6210\u529f\u300d<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'C')\">B. \u540c\u6b65\u57f7\u884c\u6263\u5eab\u5b58\u548c\u5bc4\u78ba\u8a8d\u4fe1\uff0c\u53ea\u628a\u901a\u77e5\u7269\u6d41\u4e1f\u9032 Queue<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'C')\">C. \u540c\u6b65\u57f7\u884c\u6263\u5eab\u5b58\uff0c\u628a\u5bc4\u78ba\u8a8d\u4fe1\u548c\u901a\u77e5\u7269\u6d41\u4e1f\u9032 Queue \u80cc\u666f\u8655\u7406<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'C')\">D. \u7528 Message Queue \u628a\u4e09\u500b\u6b65\u9a5f\u4e32\u9023\u6210\u4e00\u689d\u93c8\uff0c\u4f9d\u5e8f\u540c\u6b65\u8655\u7406<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 3 -->\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. \u4f60\u7684\u90e8\u843d\u683c\u5e73\u53f0\u8b80\u53d6\u6d41\u91cf\u662f\u5beb\u5165\u6d41\u91cf\u7684 50 \u500d\uff0c\u8cc7\u6599\u5eab\u6548\u80fd\u5df2\u7d93\u5230\u9054\u74f6\u9838\u3002\u6839\u64da\u6587\u7ae0\u4ecb\u7d39\u7684 Replication \u6982\u5ff5\uff0c\u6700\u9069\u5408\u7684\u67b6\u69cb\u8abf\u6574\u662f\u4ec0\u9ebc\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'D')\">A. \u4f7f\u7528\u591a\u4e3b\u8907\u88fd\uff08Multi-Master\uff09\uff0c\u8b93\u6bcf\u500b\u7bc0\u9ede\u90fd\u80fd\u8b80\u5beb<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'D')\">B. \u4f7f\u7528 Sharding\uff0c\u628a\u6587\u7ae0\u8cc7\u6599\u5206\u6563\u5230\u591a\u53f0\u8cc7\u6599\u5eab<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'D')\">C. \u628a\u6240\u6709\u8b80\u53d6\u8acb\u6c42\u90fd\u52a0\u4e0a Message Queue \u9032\u884c\u975e\u540c\u6b65\u8655\u7406<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'D')\">D. \u4f7f\u7528\u4e3b\u5f9e\u8907\u88fd\uff08Leader-Follower\uff09\uff0cLeader \u8655\u7406\u5beb\u5165\uff0c\u591a\u500b Follower \u5206\u6563\u8b80\u53d6<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u5c0f\u660e\u8a2d\u8a08\u4e86\u4e00\u500b\u8a02\u55ae\u7cfb\u7d71\u7684 Sharding \u908f\u8f2f\uff0c\u4f46\u4e0a\u7dda\u5f8c\u767c\u73fe\u67d0\u4e9b\u5206\u7247\u56b4\u91cd\u8d85\u8f09\u3002\u8acb\u554f\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u6700\u53ef\u80fd\u7684\u554f\u984c\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">def get_shard(order):\n    # \u7528\u8a02\u55ae\u7684\u5efa\u7acb\u65e5\u671f\u6c7a\u5b9a\u5206\u5230\u54ea\u500b\u5206\u7247\n    shard_index = order.created_date.month % 4\n    shards = [&#8220;db-0&#8221;, &#8220;db-1&#8221;, &#8220;db-2&#8221;, &#8220;db-3&#8221;]\n    return shards[shard_index]\n\n# \u4f8b\uff1a1\u6708\u2192db-1, 2\u6708\u2192db-2, 12\u6708\u2192db-0\n# \u554f\u984c\uff1a\u96d9 11 \u5927\u4fc3\u671f\u9593\uff0811\u6708\uff09\uff0c\u6240\u6709\u8a02\u55ae\u90fd\u5728 db-3<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. \u53d6\u9918\u6578\u7684\u8a08\u7b97\u65b9\u5f0f\u6709 bug\uff0c\u61c9\u8a72\u7528 order_id \u800c\u4e0d\u662f month<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. \u5206\u7247\u9375\u9078\u64c7\u4e0d\u7576\uff0c\u7528\u6708\u4efd\u5206\u7247\u6703\u5c0e\u81f4 Hot Spot &#8212; \u67d0\u4e9b\u6708\u4efd\u8a02\u55ae\u91cf\u7279\u5225\u5927\uff0c\u6d41\u91cf\u96c6\u4e2d\u5728\u55ae\u4e00\u5206\u7247<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. \u5206\u7247\u6578\u91cf\u592a\u5c11\uff0c\u61c9\u8a72\u589e\u52a0\u5230\u81f3\u5c11 12 \u500b\u5206\u7247\u624d\u80fd\u5c0d\u61c9 12 \u500b\u6708<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. \u7f3a\u5c11 Replication \u8a2d\u5b9a\uff0c\u9700\u8981\u70ba\u6bcf\u500b\u5206\u7247\u589e\u52a0\u5f9e\u7bc0\u9ede\u4f86\u5206\u6563\u8b80\u53d6\u58d3\u529b<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. AI \u70ba\u4e00\u500b\u9280\u884c\u8f49\u5e33\u7cfb\u7d71\u751f\u6210\u4e86\u4ee5\u4e0b\u67b6\u69cb\u914d\u7f6e\u3002\u6839\u64da\u6587\u7ae0\u7684 CAP \u5206\u6790\uff0c\u9019\u500b\u67b6\u69cb\u9078\u64c7\u6709\u4ec0\u9ebc\u554f\u984c\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\"># AI \u751f\u6210\u7684\u9280\u884c\u8f49\u5e33\u7cfb\u7d71\u67b6\u69cb\nservices:\n  app:\n    build: .\n    depends_on:\n      &#8211; cassandra   # \u4f7f\u7528 Cassandra \u4f5c\u70ba\u4e3b\u8cc7\u6599\u5eab\n\n  cassandra:\n    image: cassandra:latest\n    # Cassandra \u504f\u5411 AP\uff08\u53ef\u7528\u6027 + \u5206\u5340\u5bb9\u932f\uff09\n    # \u9ad8\u53ef\u7528\uff0c\u4f46\u53ef\u80fd\u77ed\u66ab\u8cc7\u6599\u4e0d\u4e00\u81f4<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'C')\">A. Cassandra \u4e0d\u652f\u63f4\u5206\u6563\u5f0f\u90e8\u7f72\uff0c\u4e0d\u9069\u5408\u591a\u6a5f\u623f\u7684\u9280\u884c\u7cfb\u7d71<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'C')\">B. \u7f3a\u5c11 Message Queue\uff0c\u9280\u884c\u8f49\u5e33\u61c9\u8a72\u7528\u975e\u540c\u6b65\u65b9\u5f0f\u8655\u7406<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'C')\">C. \u9280\u884c\u8f49\u5e33\u9700\u8981\u5f37\u4e00\u81f4\u6027\uff08CP\uff09\uff0c\u4f46 Cassandra \u504f\u5411 AP\uff0c\u53ef\u80fd\u5c0e\u81f4\u9918\u984d\u77ed\u66ab\u4e0d\u4e00\u81f4\uff0c\u51fa\u73fe\u932f\u8aa4\u7684\u5e33\u6236\u9918\u984d<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'C')\">D. Cassandra \u7684\u6548\u80fd\u4e0d\u5920\u597d\uff0c\u61c9\u8a72\u6539\u7528 Redis \u4f86\u63d0\u9ad8\u8f49\u5e33\u901f\u5ea6<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv5\"><\/div>\n    <\/div>\n\n    <div class=\"score-adv\" id=\"scoreAdv\" style=\"display:none;\"><\/div>\n<script>\n\n      let answeredAdv = 0;\n      let correctAdv = 0;\n      const totalAdv = 5;\n      const explanationsAdv = {\n        1: \"\u793e\u4ea4\u5a92\u9ad4\u7684\u6838\u5fc3\u9700\u6c42\u662f\u300c\u96a8\u6642\u90fd\u80fd\u6253\u958b App\u300d\uff0c\u5076\u723e\u770b\u5230\u7684\u8cbc\u6587\u4e0d\u662f\u6700\u65b0\u7684\u53ef\u4ee5\u63a5\u53d7\u3002\u9019\u6b63\u597d\u5c0d\u61c9 AP\uff08\u53ef\u7528\u6027 + \u5206\u5340\u5bb9\u932f\uff09\u7684\u53d6\u6368\u3002\u6587\u7ae0\u4e2d\u660e\u78ba\u6307\u51fa\u793e\u4ea4\u5a92\u9ad4\u52d5\u614b\u61c9\u9078 AP\uff0c\u56e0\u70ba\u300c\u5c11\u770b\u5230\u4e00\u5247\u8cbc\u6587\u6c92\u95dc\u4fc2\uff0c\u4f46\u4e0d\u80fd\u6253\u4e0d\u958b App\u300d\u3002\u9078\u9805 C \u7684 CA \u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\u4e0d\u5207\u5be6\u969b\uff0c\u56e0\u70ba P \u662f\u5fc5\u9078\u7684\u3002\",\n        2: \"\u6587\u7ae0\u4e2d\u7684\u4e0b\u55ae\u7bc4\u4f8b\u660e\u78ba\u8aaa\u660e\uff1a\u6263\u5eab\u5b58\u5fc5\u9808\u540c\u6b65\u57f7\u884c\uff08\u78ba\u4fdd\u4e0d\u8d85\u8ce3\uff09\uff0c\u4f46\u5bc4\u78ba\u8a8d\u4fe1\u548c\u901a\u77e5\u7269\u6d41\u53ef\u4ee5\u4e1f\u9032 Queue \u80cc\u666f\u8655\u7406\u3002\u9078\u9805 A \u7684\u554f\u984c\u662f\u628a\u6263\u5eab\u5b58\u4e5f\u4e1f\u9032 Queue\uff0c\u53ef\u80fd\u5c0e\u81f4\u5eab\u5b58\u9084\u6c92\u6263\u5c31\u56de\u8986\u300c\u4e0b\u55ae\u6210\u529f\u300d\uff0c\u9020\u6210\u8d85\u8ce3\u3002\u9078\u9805 D \u53ea\u662f\u628a\u540c\u6b65\u6d41\u7a0b\u5305\u88dd\u6210 Queue\uff0c\u6c92\u6709\u771f\u6b63\u5be6\u73fe\u975e\u540c\u6b65\u7684\u597d\u8655\u3002\",\n        3: \"\u90e8\u843d\u683c\u5e73\u53f0\u662f\u5178\u578b\u7684\u300c\u8b80\u591a\u5beb\u5c11\u300d\u5834\u666f\uff0c\u6587\u7ae0\u4e2d\u660e\u78ba\u6307\u51fa\u4e3b\u5f9e\u8907\u88fd\uff08Leader-Follower\uff09\u9069\u5408\u9019\u7a2e\u5834\u666f\u3002Leader \u8ca0\u8cac\u5beb\u5165\uff0c\u591a\u500b Follower \u5206\u6563\u8b80\u53d6\u58d3\u529b\u3002\u9078\u9805 A \u7684\u591a\u4e3b\u8907\u88fd\u9069\u7528\u65bc\u300c\u591a\u5730\u5340\u90e8\u7f72\u300d\u7684\u8de8\u570b\u670d\u52d9\uff0c\u5c0d\u90e8\u843d\u683c\u4f86\u8aaa\u589e\u52a0\u4e86\u4e0d\u5fc5\u8981\u7684\u8907\u96dc\u5ea6\uff08\u9084\u8981\u8655\u7406\u5beb\u5165\u885d\u7a81\uff09\u3002\u9078\u9805 B \u7684 Sharding \u662f\u89e3\u6c7a\u300c\u8cc7\u6599\u91cf\u592a\u5927\u300d\u7684\u554f\u984c\uff0c\u4e0d\u662f\u300c\u8b80\u53d6\u6d41\u91cf\u592a\u5927\u300d\u7684\u554f\u984c\u3002\",\n        4: \"\u9019\u662f\u5178\u578b\u7684 Hot Spot\uff08\u71b1\u9ede\uff09\u554f\u984c\u3002\u7528\u6708\u4efd\u4f5c\u70ba\u5206\u7247\u9375\uff0c\u5728\u7279\u5b9a\u6708\u4efd\uff08\u5982\u96d9 11 \u7684 11 \u6708\uff09\u8a02\u55ae\u91cf\u66b4\u589e\uff0c\u5c0e\u81f4\u8a72\u6708\u4efd\u5c0d\u61c9\u7684\u5206\u7247\u627f\u53d7\u904e\u591a\u6d41\u91cf\u3002\u6587\u7ae0\u6307\u51fa\u5206\u7247\u9375\u61c9\u9078\u64c7\u80fd\u300c\u5747\u52fb\u5206\u5e03\u300d\u7684\u503c\uff0c\u5982 <code>order_id<\/code> \u6216 <code>user_id<\/code>\uff0c\u907f\u514d\u6d41\u91cf\u96c6\u4e2d\u3002\u9078\u9805 C \u7684\u589e\u52a0\u5206\u7247\u6578\u91cf\u4e0d\u80fd\u6839\u672c\u89e3\u6c7a\u554f\u984c\uff0c\u5373\u4f7f\u6709 12 \u500b\u5206\u7247\uff0c11 \u6708\u7684\u6d41\u91cf\u4ecd\u7136\u96c6\u4e2d\u5728\u4e00\u500b\u5206\u7247\u4e0a\u3002\",\n        5: \"\u6587\u7ae0\u660e\u78ba\u6307\u51fa\u9280\u884c\u8f49\u5e33\u61c9\u9078\u64c7 CP\uff08\u4e00\u81f4\u6027 + \u5206\u5340\u5bb9\u932f\uff09\uff0c\u56e0\u70ba\u300c\u7d55\u5c0d\u4e0d\u80fd\u986f\u793a\u932f\u8aa4\u9918\u984d\uff0c\u5be7\u53ef\u66ab\u505c\u670d\u52d9\u300d\u3002\u800c Cassandra \u504f\u5411 AP\uff0c\u53ef\u80fd\u5728\u7db2\u8def\u5206\u5340\u6642\u51fa\u73fe\u8cc7\u6599\u4e0d\u4e00\u81f4\uff0c\u5c0e\u81f4\u5e33\u6236\u9918\u984d\u66ab\u6642\u932f\u8aa4\u3002\u6b63\u78ba\u7684\u505a\u6cd5\u662f\u9078\u7528\u504f\u5411 CP \u7684\u8cc7\u6599\u5eab\uff08\u5982\u6587\u7ae0\u63d0\u5230\u7684 MongoDB \u9810\u8a2d\u504f\u5411 CP\uff09\u3002\u9078\u9805 B \u4e0d\u5c0d\uff0c\u56e0\u70ba\u9280\u884c\u8f49\u5e33\u9700\u8981\u540c\u6b65\u78ba\u8a8d\u7d50\u679c\uff0c\u4e0d\u9069\u5408\u975e\u540c\u6b65\u8655\u7406\u3002\"\n      };\n\n      function checkAnswerAdv(qNum, selected, correctAns) {\n        const question = document.getElementById(\"qAdv\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answeredAdv++;\n\n        const options = question.querySelectorAll(\".options-adv li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fbAdv\" + qNum);\n        if (selected === correctAns) {\n          correctAdv++;\n          feedback.className = \"feedback-adv correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanationsAdv[qNum];\n        } else {\n          feedback.className = \"feedback-adv wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanationsAdv[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answeredAdv === totalAdv) {\n          const scoreDiv = document.getElementById(\"scoreAdv\");\n          scoreDiv.style.display = \"block\";\n          let msg = \"\";\n          if (correctAdv === totalAdv) msg = \"\ud83c\udfaf \u5b8c\u7f8e\uff01\u4f60\u5df2\u7d93\u6e96\u5099\u597d\u5be6\u6230\u4e86\uff01\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.8))\n            msg = \"\ud83d\udcaa \u5f88\u68d2\uff01\u518d\u8907\u7fd2\u4e00\u4e0b\u932f\u7684\u984c\u76ee\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.6))\n            msg = \"\ud83d\udcd6 \u5efa\u8b70\u91cd\u8b80\u76f8\u95dc\u6bb5\u843d\u5f8c\u518d\u8a66\u4e00\u6b21\";\n          else msg = \"\ud83d\udd04 \u5efa\u8b70\u91cd\u65b0\u95b1\u8b80\u6587\u4ef6\uff0c\u7279\u5225\u6ce8\u610f\u64cd\u4f5c\u6d41\u7a0b\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" + correctAdv + \" \/ \" + totalAdv + \"<br>\" + msg;\n        }\n      }\n    \n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6e2c\u9a57\uff1a\u5206\u6563\u5f0f\u7cfb\u7d71 \u2014 Sharding\u3001Replication\u3001CAP Theorem\u3001Message Que 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