{"id":441,"date":"2026-01-27T18:10:23","date_gmt":"2026-01-27T10:10:23","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/01\/27\/%e3%80%90mlflow-genai-%e6%95%99%e5%ad%b8%e3%80%9102-tracing-%e5%85%a5%e9%96%80%ef%bc%9a%e4%b8%80%e8%a1%8c%e7%a8%8b%e5%bc%8f%e7%a2%bc%e9%96%8b%e5%95%9f%e8%bf%bd%e8%b9%a4\/"},"modified":"2026-01-27T18:10:23","modified_gmt":"2026-01-27T10:10:23","slug":"%e3%80%90mlflow-genai-%e6%95%99%e5%ad%b8%e3%80%9102-tracing-%e5%85%a5%e9%96%80%ef%bc%9a%e4%b8%80%e8%a1%8c%e7%a8%8b%e5%bc%8f%e7%a2%bc%e9%96%8b%e5%95%9f%e8%bf%bd%e8%b9%a4","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/01\/27\/%e3%80%90mlflow-genai-%e6%95%99%e5%ad%b8%e3%80%9102-tracing-%e5%85%a5%e9%96%80%ef%bc%9a%e4%b8%80%e8%a1%8c%e7%a8%8b%e5%bc%8f%e7%a2%bc%e9%96%8b%e5%95%9f%e8%bf%bd%e8%b9%a4\/","title":{"rendered":"\u3010MLflow GenAI \u6559\u5b78\u3011#02 Tracing \u5165\u9580\uff1a\u4e00\u884c\u7a0b\u5f0f\u78bc\u958b\u555f\u8ffd\u8e64"},"content":{"rendered":"\n<div id=\"quiz-e067c200\">\n<style>\n#quiz-e067c200 .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-e067c200 .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-e067c200 .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-e067c200 .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-e067c200 .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-e067c200 .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-e067c200 .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-e067c200 .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-e067c200 .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-e067c200 .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-e067c200 .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-e067c200 .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-e067c200 .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-e067c200 .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\uff1aMLflow Tracing \u5165\u9580<\/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. \u5728\u751f\u7522\u74b0\u5883\u4e2d\u90e8\u7f72 MLflow Tracing \u6642\uff0c\u61c9\u8a72\u9078\u64c7\u54ea\u7a2e\u5b89\u88dd\u65b9\u5f0f\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. <code>pip install mlflow<\/code> \u5b8c\u6574\u7248\u5b89\u88dd<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. <code>pip install mlflow-tracing<\/code> \u8f15\u91cf\u7248\u5b89\u88dd<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. <code>pip install mlflow-full<\/code> \u5168\u529f\u80fd\u7248\u5b89\u88dd<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. \u540c\u6642\u5b89\u88dd <code>mlflow<\/code> \u548c <code>mlflow-tracing<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u5728 MLflow \u4e2d\uff0c\u4e00\u500b Trace \u548c Span \u4e4b\u9593\u7684\u95dc\u4fc2\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. Trace \u662f Span \u7684\u5b50\u5143\u7d20\uff0c\u4e00\u500b Span \u5305\u542b\u591a\u500b Trace<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. Trace \u548c Span \u662f\u540c\u7fa9\u8a5e\uff0c\u53ef\u4ee5\u4e92\u63db\u4f7f\u7528<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. Trace \u4ee3\u8868\u4e00\u6b21\u5b8c\u6574\u8acb\u6c42\uff0c\u7531\u591a\u500b Span \u7d44\u6210\uff0cSpan \u662f\u8ffd\u8e64\u7684\u57fa\u672c\u55ae\u4f4d<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. Span \u662f\u7528\u4f86\u8ffd\u8e64\u7db2\u8def\u8acb\u6c42\uff0cTrace \u662f\u7528\u4f86\u8ffd\u8e64\u51fd\u6578\u547c\u53eb<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u4ee5\u4e0b\u54ea\u500b SpanType \u6700\u9069\u5408\u7528\u4f86\u6a19\u8a18\u5411\u91cf\u8cc7\u6599\u5eab\u7684\u641c\u5c0b\u64cd\u4f5c\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'B')\">A. <code>SpanType.LLM<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'B')\">B. <code>SpanType.RETRIEVER<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'B')\">C. <code>SpanType.TOOL<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'B')\">D. <code>SpanType.CHAIN<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u5982\u4f55\u66ab\u6642\u505c\u7528 OpenAI \u7684\u81ea\u52d5\u8ffd\u8e64\u529f\u80fd\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'A')\">A. <code>mlflow.openai.autolog(disable=True)<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'A')\">B. <code>mlflow.openai.disable()<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'A')\">C. <code>mlflow.disable_tracing(\"openai\")<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'A')\">D. <code>mlflow.openai.autolog(enabled=False)<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u7576\u4f60\u9700\u8981\u8ffd\u8e64\u4efb\u610f\u7a0b\u5f0f\u78bc\u5340\u584a\uff08\u800c\u975e\u51fd\u6578\uff09\u6642\uff0c\u61c9\u8a72\u4f7f\u7528\u4ec0\u9ebc\u65b9\u5f0f\uff1f<\/h3>\n      <div class=\"code-block\">@mlflow.trace\ndef my_function():\n    # \u53ea\u80fd\u8ffd\u8e64\u6574\u500b\u51fd\u6578\n    pass\n\n# \u5982\u4f55\u8ffd\u8e64\u4e0b\u9762\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5340\u584a\uff1f\ndata = load_data()\nprocessed = process(data)\nsave(processed)<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'C')\">A. \u4f7f\u7528 <code>@mlflow.trace<\/code> \u88dd\u98fe\u5668\u5305\u88dd\u6210\u51fd\u6578<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'C')\">B. \u4f7f\u7528 <code>mlflow.start_trace()<\/code> \u958b\u59cb\u8ffd\u8e64<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'C')\">C. \u4f7f\u7528 <code>with mlflow.start_span()<\/code> context manager<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'C')\">D. \u4f7f\u7528 <code>mlflow.trace_block()<\/code> \u51fd\u6578<\/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: \"<code>mlflow-tracing<\/code> \u662f\u5c08\u70ba\u751f\u7522\u74b0\u5883\u8a2d\u8a08\u7684\u8f15\u91cf\u5957\u4ef6\uff0c\u9ad4\u7a4d\u6bd4\u5b8c\u6574\u7248\u5c0f 95%\uff0c\u4f9d\u8cf4\u5957\u4ef6\u66f4\u5c11\uff0c\u9069\u5408 Docker \u5bb9\u5668\u3001Serverless \u51fd\u6578\u7b49\u5834\u666f\u3002\u6ce8\u610f\u4e0d\u8981\u8207\u5b8c\u6574\u7248 <code>mlflow<\/code> \u540c\u6642\u5b89\u88dd\uff0c\u4ee5\u907f\u514d\u7248\u672c\u885d\u7a81\u3002\",\n        2: \"\u4e00\u500b Trace \u4ee3\u8868\u4e00\u6b21\u5b8c\u6574\u7684\u8acb\u6c42\u57f7\u884c\u904e\u7a0b\uff0c\u7531\u591a\u500b Span \u7d44\u6210\u3002Span \u662f\u8ffd\u8e64\u7684\u57fa\u672c\u55ae\u4f4d\uff0c\u8a18\u9304\u55ae\u4e00\u64cd\u4f5c\u7684\u8a73\u7d30\u8cc7\u8a0a\uff0c\u5305\u542b span_id\u3001trace_id\u3001parent_id\u3001inputs\u3001outputs \u7b49\u5c6c\u6027\u3002\",\n        3: \"<code>SpanType.RETRIEVER<\/code> \u5c08\u9580\u7528\u65bc\u6a19\u8a18\u8cc7\u6599\u6aa2\u7d22\u64cd\u4f5c\uff0c\u5305\u62ec\u5411\u91cf\u641c\u5c0b\u3002\u5176\u4ed6\u9078\u9805\u4e2d\uff0cLLM \u7528\u65bc\u5927\u8a9e\u8a00\u6a21\u578b\u547c\u53eb\uff0cTOOL \u7528\u65bc\u5de5\u5177\u57f7\u884c\uff0cCHAIN \u7528\u65bc\u64cd\u4f5c\u93c8\u3002\",\n        4: \"\u8981\u505c\u7528\u7279\u5b9a\u6846\u67b6\u7684\u81ea\u52d5\u8ffd\u8e64\uff0c\u53ef\u4ee5\u50b3\u5165 <code>disable=True<\/code> \u53c3\u6578\uff0c\u4f8b\u5982 <code>mlflow.openai.autolog(disable=True)<\/code>\u3002\u4e5f\u53ef\u4ee5\u7528 <code>mlflow.autolog(disable=True)<\/code> \u505c\u7528\u6240\u6709\u81ea\u52d5\u8ffd\u8e64\u3002\",\n        5: \"\u7576\u9700\u8981\u8ffd\u8e64\u4efb\u610f\u7a0b\u5f0f\u78bc\u5340\u584a\uff08\u4e0d\u53ea\u662f\u51fd\u6578\uff09\u6642\uff0c\u4f7f\u7528 <code>with mlflow.start_span(name=\\\"\u5340\u584a\u540d\u7a31\\\") as span:<\/code> context manager\u3002\u5728\u5340\u584a\u5167\u53ef\u4ee5\u900f\u904e <code>span.set_inputs()<\/code> \u548c <code>span.set_outputs()<\/code> \u624b\u52d5\u8a2d\u5b9a\u8f38\u5165\u8f38\u51fa\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<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u8a8d\u8b58\u4e86 MLflow GenAI \u7684\u6574\u9ad4\u67b6\u69cb\u3002\u73fe\u5728\uff0c\u8b93\u6211\u5011\u6df1\u5165\u63a2\u8a0e MLflow \u6700\u5f37\u5927\u7684\u529f\u80fd\u4e4b\u4e00\uff1a<strong>Tracing\uff08\u8ffd\u8e64\uff09<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u4f7f\u7528 AI Agent \u6216\u8907\u96dc\u7684 LLM \u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u5e38\u5e38\u6703\u9047\u5230\u9019\u4e9b\u554f\u984c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u70ba\u4ec0\u9ebc\u9019\u6b21\u56de\u61c9\u9019\u9ebc\u6162\uff1f<\/li>\n<li>Token \u7528\u91cf\u600e\u9ebc\u7a81\u7136\u66b4\u589e\uff1f<\/li>\n<li>\u4e2d\u9593\u67d0\u500b\u6b65\u9a5f\u5230\u5e95\u767c\u751f\u4e86\u4ec0\u9ebc\u4e8b\uff1f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">MLflow Tracing \u5c31\u662f\u89e3\u7b54\u9019\u4e9b\u554f\u984c\u7684\u5229\u5668\u3002\u5b83\u80fd\u8a18\u9304\u6bcf\u500b\u6b65\u9a5f\u7684\u8f38\u5165\u3001\u8f38\u51fa\u3001\u57f7\u884c\u6642\u9593\u548c metadata\uff0c\u8b93\u4f60\u5b8c\u6574\u638c\u63e1 AI \u61c9\u7528\u7684\u57f7\u884c\u6d41\u7a0b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b78\u7fd2\u76ee\u6a19<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u672c\u7bc7\u5f8c\uff0c\u4f60\u5c07\u80fd\u5920\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u88dd\u4e26\u8a2d\u5b9a MLflow Tracing \u74b0\u5883<\/li>\n<li>\u4f7f\u7528 <code>autolog()<\/code> \u4e00\u884c\u7a0b\u5f0f\u78bc\u555f\u7528\u81ea\u52d5\u8ffd\u8e64<\/li>\n<li>\u7406\u89e3 Trace \u7684\u7d50\u69cb\uff1aspans\u3001attributes\u3001context<\/li>\n<li>\u5728 MLflow UI \u6aa2\u8996\u8ffd\u8e64\u7d50\u679c<\/li>\n<li>\u4f7f\u7528 <code>@mlflow.trace<\/code> \u88dd\u98fe\u5668\u624b\u52d5\u8ffd\u8e64\u81ea\u8a02\u51fd\u6578<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5b89\u88dd MLflow Tracing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MLflow \u63d0\u4f9b\u5169\u7a2e\u5b89\u88dd\u65b9\u5f0f\uff0c\u6839\u64da\u4f60\u7684\u4f7f\u7528\u5834\u666f\u9078\u64c7\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b8c\u6574\u7248\u5b89\u88dd<\/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\">pip install mlflow\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u6574\u7248\u5305\u542b\u6240\u6709\u529f\u80fd\uff1aTracking Server\u3001UI\u3001Model Registry\u3001Tracing \u7b49\u3002\u9069\u5408\u958b\u767c\u548c\u5be6\u9a57\u74b0\u5883\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f15\u91cf\u7248\u5b89\u88dd\uff08\u63a8\u85a6\u7528\u65bc\u751f\u7522\u74b0\u5883\uff09<\/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\">pip install mlflow-tracing\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><code>mlflow-tracing<\/code> \u662f\u5c08\u70ba\u751f\u7522\u74b0\u5883\u8a2d\u8a08\u7684\u8f15\u91cf\u5957\u4ef6\uff0c\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad4\u7a4d\u6bd4\u5b8c\u6574\u7248\u5c0f <strong>95%<\/strong><\/li>\n<li>\u4f9d\u8cf4\u5957\u4ef6\u66f4\u5c11\uff0c\u90e8\u7f72\u66f4\u5feb<\/li>\n<li>\u9069\u5408 Docker \u5bb9\u5668\u3001Serverless \u51fd\u6578\u7b49\u5834\u666f<\/li>\n<li>\u652f\u63f4\u6240\u6709\u8ffd\u8e64\u529f\u80fd\u548c\u4e3b\u6d41 AI \u6846\u67b6\u7684\u81ea\u52d5\u8ffd\u8e64<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>**\u6ce8\u610f**\uff1a<code>mlflow-tracing<\/code> \u9700\u8981 Python >= 3.10\uff0c\u4e14\u4e0d\u8981\u8207\u5b8c\u6574\u7248 <code>mlflow<\/code> \u540c\u6642\u5b89\u88dd\uff0c\u4ee5\u907f\u514d\u7248\u672c\u885d\u7a81\u3002<\/p><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u81ea\u52d5\u8ffd\u8e64\uff1a\u4e00\u884c\u7a0b\u5f0f\u78bc\u641e\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MLflow \u5c0d\u4e3b\u6d41 AI \u6846\u67b6\u63d0\u4f9b\u958b\u7bb1\u5373\u7528\u7684\u81ea\u52d5\u8ffd\u8e64\u529f\u80fd\u3002\u4f60\u53ea\u9700\u8981\u5728\u7a0b\u5f0f\u958b\u982d\u52a0\u4e00\u884c <code>autolog()<\/code>\uff0c\u5c31\u80fd\u81ea\u52d5\u8a18\u9304\u6240\u6709 API \u547c\u53eb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OpenAI \u81ea\u52d5\u8ffd\u8e64<\/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-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\nfrom openai import OpenAI\n\n<span class=\"hljs-comment\"># \u555f\u7528 OpenAI \u81ea\u52d5\u8ffd\u8e64<\/span>\nmlflow.openai.autolog()\n\nclient = OpenAI()\n\n<span class=\"hljs-comment\"># \u9019\u500b\u547c\u53eb\u6703\u88ab\u81ea\u52d5\u8ffd\u8e64<\/span>\nresponse = client.chat.completions.create(\n    model=<span class=\"hljs-string\">\"gpt-4o-mini\"<\/span>,\n    messages=&#91;{<span class=\"hljs-string\">\"role\"<\/span>: <span class=\"hljs-string\">\"user\"<\/span>, <span class=\"hljs-string\">\"content\"<\/span>: <span class=\"hljs-string\">\"\u4ec0\u9ebc\u662f MLflow\uff1f\"<\/span>}]\n)\n\n<span class=\"hljs-keyword\">print<\/span>(response.choices&#91;<span class=\"hljs-number\">0<\/span>].message.content)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><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<h3 class=\"wp-block-heading\">Anthropic \u81ea\u52d5\u8ffd\u8e64<\/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-2\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\nimport anthropic\n\n<span class=\"hljs-comment\"># \u555f\u7528 Anthropic \u81ea\u52d5\u8ffd\u8e64<\/span>\nmlflow.anthropic.autolog()\n\nclient = anthropic.Anthropic()\n\n<span class=\"hljs-comment\"># \u9019\u500b\u547c\u53eb\u6703\u88ab\u81ea\u52d5\u8ffd\u8e64<\/span>\nmessage = client.messages.create(\n    model=<span class=\"hljs-string\">\"claude-sonnet-4-20250514\"<\/span>,\n    max_tokens=<span class=\"hljs-number\">1024<\/span>,\n    messages=&#91;{<span class=\"hljs-string\">\"role\"<\/span>: <span class=\"hljs-string\">\"user\"<\/span>, <span class=\"hljs-string\">\"content\"<\/span>: <span class=\"hljs-string\">\"\u4ec0\u9ebc\u662f MLflow\uff1f\"<\/span>}]\n)\n\n<span class=\"hljs-keyword\">print<\/span>(message.content&#91;<span class=\"hljs-number\">0<\/span>].text)\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<h3 class=\"wp-block-heading\">\u652f\u63f4\u7684\u6846\u67b6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MLflow \u652f\u63f4\u773e\u591a AI \u6846\u67b6\u7684\u81ea\u52d5\u8ffd\u8e64\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u6846\u67b6<\/th>\n<th>\u555f\u7528\u65b9\u5f0f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>OpenAI<\/td>\n<td><code>mlflow.openai.autolog()<\/code><\/td>\n<\/tr>\n<tr>\n<td>Anthropic<\/td>\n<td><code>mlflow.anthropic.autolog()<\/code><\/td>\n<\/tr>\n<tr>\n<td>LangChain<\/td>\n<td><code>mlflow.langchain.autolog()<\/code><\/td>\n<\/tr>\n<tr>\n<td>LlamaIndex<\/td>\n<td><code>mlflow.llama_index.autolog()<\/code><\/td>\n<\/tr>\n<tr>\n<td>DSPy<\/td>\n<td><code>mlflow.dspy.autolog()<\/code><\/td>\n<\/tr>\n<tr>\n<td>AutoGen<\/td>\n<td><code>mlflow.autogen.autolog()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u505c\u7528\u81ea\u52d5\u8ffd\u8e64<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9700\u8981\u66ab\u6642\u505c\u7528\u8ffd\u8e64\uff0c\u53ef\u4ee5\u50b3\u5165 <code>disable=True<\/code>\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\"># \u505c\u7528\u7279\u5b9a\u6846\u67b6\u7684\u8ffd\u8e64<\/span>\nmlflow.openai.autolog(disable=<span class=\"hljs-keyword\">True<\/span>)\n\n<span class=\"hljs-comment\"># \u6216\u505c\u7528\u6240\u6709\u81ea\u52d5\u8ffd\u8e64<\/span>\nmlflow.autolog(disable=<span class=\"hljs-keyword\">True<\/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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u7406\u89e3 Trace \u7684\u7d50\u69cb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u500b Trace \u4ee3\u8868\u4e00\u6b21\u5b8c\u6574\u7684\u8acb\u6c42\u57f7\u884c\u904e\u7a0b\uff0c\u7531\u591a\u500b <strong>Span<\/strong> \u7d44\u6210\u3002Span \u662f\u8ffd\u8e64\u7684\u57fa\u672c\u55ae\u4f4d\uff0c\u8a18\u9304\u55ae\u4e00\u64cd\u4f5c\u7684\u8a73\u7d30\u8cc7\u8a0a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Trace \u8207 Span \u7684\u95dc\u4fc2<\/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\">Trace (\u4e00\u6b21\u5b8c\u6574\u8acb\u6c42)\n\u251c\u2500\u2500 Span: Agent \u4e3b\u6d41\u7a0b\n\u2502   \u251c\u2500\u2500 Span: LLM \u547c\u53eb\n\u2502   \u251c\u2500\u2500 Span: \u5de5\u5177\u57f7\u884c\n\u2502   \u2502   \u2514\u2500\u2500 Span: API \u547c\u53eb\n\u2502   \u2514\u2500\u2500 Span: LLM \u547c\u53eb\uff08\u6700\u7d42\u56de\u61c9\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Span \u7684\u6838\u5fc3\u5c6c\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u500b Span \u7269\u4ef6\u5305\u542b\u4ee5\u4e0b\u91cd\u8981\u5c6c\u6027\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u5c6c\u6027<\/th>\n<th>\u8aaa\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>span_id<\/code><\/td>\n<td>Span \u7684\u552f\u4e00\u8b58\u5225\u78bc<\/td>\n<\/tr>\n<tr>\n<td><code>trace_id<\/code><\/td>\n<td>\u6240\u5c6c Trace \u7684\u8b58\u5225\u78bc<\/td>\n<\/tr>\n<tr>\n<td><code>parent_id<\/code><\/td>\n<td>\u7236 Span \u7684\u8b58\u5225\u78bc\uff08\u6839 Span \u70ba None\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>name<\/code><\/td>\n<td>Span \u540d\u7a31<\/td>\n<\/tr>\n<tr>\n<td><code>span_type<\/code><\/td>\n<td>Span \u985e\u578b\uff08\u5982 LLM\u3001TOOL\u3001CHAIN\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>start_time_ns<\/code><\/td>\n<td>\u958b\u59cb\u6642\u9593\uff08\u5948\u79d2\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>end_time_ns<\/code><\/td>\n<td>\u7d50\u675f\u6642\u9593\uff08\u5948\u79d2\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>inputs<\/code><\/td>\n<td>\u8f38\u5165\u8cc7\u6599<\/td>\n<\/tr>\n<tr>\n<td><code>outputs<\/code><\/td>\n<td>\u8f38\u51fa\u8cc7\u6599<\/td>\n<\/tr>\n<tr>\n<td><code>status<\/code><\/td>\n<td>\u72c0\u614b\uff08OK\u3001UNSET\u3001ERROR\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>attributes<\/code><\/td>\n<td>\u984d\u5916\u7684 metadata\uff08key-value\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>events<\/code><\/td>\n<td>\u4e8b\u4ef6\u8a18\u9304\uff08\u5982\u4f8b\u5916\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">SpanType \u985e\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MLflow \u63d0\u4f9b\u9810\u5b9a\u7fa9\u7684 Span \u985e\u578b\uff0c\u5e6b\u52a9\u5206\u985e\u4e0d\u540c\u64cd\u4f5c\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=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">from<\/span> <span class=\"hljs-selector-tag\">mlflow<\/span><span class=\"hljs-selector-class\">.entities<\/span> <span class=\"hljs-selector-tag\">import<\/span> <span class=\"hljs-selector-tag\">SpanType<\/span>\n\n# \u5e38\u7528\u7684 <span class=\"hljs-selector-tag\">SpanType<\/span>\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.LLM<\/span>          # <span class=\"hljs-selector-tag\">LLM<\/span> \u547c\u53eb\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.CHAT_MODEL<\/span>   # <span class=\"hljs-selector-tag\">Chat<\/span> \u6a21\u578b\u547c\u53eb\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.CHAIN<\/span>        # \u64cd\u4f5c\u93c8\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.AGENT<\/span>        # \u81ea\u4e3b <span class=\"hljs-selector-tag\">Agent<\/span>\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.TOOL<\/span>         # \u5de5\u5177\u57f7\u884c\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.RETRIEVER<\/span>    # \u8cc7\u6599\u6aa2\u7d22\uff08\u5411\u91cf\u641c\u5c0b\uff09\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.EMBEDDING<\/span>    # \u6587\u5b57\u5d4c\u5165\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.PARSER<\/span>       # \u89e3\u6790\u5668\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.RERANKER<\/span>     # \u91cd\u6392\u5e8f\u5668\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.MEMORY<\/span>       # \u8a18\u61b6\u9ad4\u64cd\u4f5c\n<span class=\"hljs-selector-tag\">SpanType<\/span><span class=\"hljs-selector-class\">.UNKNOWN<\/span>      # \u9810\u8a2d\u985e\u578b\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><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\n<p class=\"wp-block-paragraph\">\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u81ea\u8a02\u5b57\u4e32\u4f5c\u70ba Span \u985e\u578b\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-5\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">@mlflow.trace(span_type=<span class=\"hljs-string\">\"ROUTER\"<\/span>)  <span class=\"hljs-comment\"># \u81ea\u8a02\u985e\u578b<\/span>\ndef route_request(query):\n    ...\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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u555f\u52d5 MLflow UI \u6aa2\u8996\u8ffd\u8e64\u7d50\u679c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u555f\u52d5 Tracking Server<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7d42\u7aef\u6a5f\u57f7\u884c\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\">mlflow ui\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u9810\u8a2d\u6703\u5728 <code>http:\/\/localhost:5000<\/code> \u555f\u52d5\u3002\u5982\u679c\u9700\u8981\u66f4\u63db port\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\">mlflow ui -p 8080\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u5b9a Tracking URI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7a0b\u5f0f\u78bc\u4e2d\u6307\u5b9a\u8ffd\u8e64\u4f3a\u670d\u5668\u4f4d\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-6\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\n\n<span class=\"hljs-comment\"># \u6307\u5411\u672c\u6a5f Tracking Server<\/span>\nmlflow.set_tracking_uri(<span class=\"hljs-string\">\"http:\/\/localhost:5000\"<\/span>)\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<h3 class=\"wp-block-heading\">\u5728 UI \u4e2d\u6aa2\u8996 Traces<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u958b\u555f\u700f\u89bd\u5668\u524d\u5f80 <code>http:\/\/localhost:5000<\/code><\/li>\n<li>\u9ede\u9078\u5de6\u5074\u7684\u5be6\u9a57\uff08Experiment\uff09<\/li>\n<li>\u5207\u63db\u5230 <strong>Traces<\/strong> \u6a19\u7c64\u9801<\/li>\n<li>\u9ede\u64ca\u4efb\u4e00 Trace ID \u67e5\u770b\u8a73\u7d30\u8cc7\u8a0a<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Traces \u9801\u9762\uff0c\u4f60\u53ef\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6aa2\u8996\u6bcf\u500b Span \u7684\u8f38\u5165\/\u8f38\u51fa<\/li>\n<li>\u67e5\u770b\u57f7\u884c\u6642\u9593\u548c\u72c0\u614b<\/li>\n<li>\u4f7f\u7528\u641c\u5c0b\u5217\u7be9\u9078 Traces<\/li>\n<li>\u6279\u6b21\u522a\u9664\u6216\u7de8\u8f2f\u6a19\u7c64<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Jupyter Notebook \u6574\u5408<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u5728 Jupyter Notebook \u4e2d\u958b\u767c\uff0c\u8a2d\u5b9a\u597d Tracking URI \u5f8c\uff0cTrace \u6703\u76f4\u63a5\u986f\u793a\u5728 notebook \u8f38\u51fa\u4e2d\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-7\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\n\nmlflow.set_tracking_uri(<span class=\"hljs-string\">\"http:\/\/localhost:5000\"<\/span>)\nmlflow.openai.autolog()\n\n<span class=\"hljs-comment\"># \u57f7\u884c\u5f8c\uff0cTrace \u6703\u76f4\u63a5\u5728 notebook \u4e2d\u986f\u793a<\/span>\nresponse = client.chat.completions.create(...)\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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u624b\u52d5\u8ffd\u8e64\uff1a@mlflow.trace \u88dd\u98fe\u5668<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u9700\u8981\u8ffd\u8e64\u81ea\u8a02\u51fd\u6578\u6642\uff0c\u4f7f\u7528 <code>@mlflow.trace<\/code> \u88dd\u98fe\u5668\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u7528\u6cd5<\/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=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">import<\/span> <span class=\"hljs-selector-tag\">mlflow<\/span>\n\n<span class=\"hljs-keyword\">@mlflow<\/span>.trace\ndef process_query(<span class=\"hljs-attribute\">query:<\/span> str) -&gt; <span class=\"hljs-attribute\">str:<\/span>\n    <span class=\"hljs-string\">\"\"<\/span><span class=\"hljs-string\">\"\u8655\u7406\u4f7f\u7528\u8005\u67e5\u8a62\"<\/span><span class=\"hljs-string\">\"\"<\/span>\n    # \u4f60\u7684\u908f\u8f2f\n    result = query.upper()\n    return result\n\n# \u547c\u53eb\u51fd\u6578\u6642\u6703\u81ea\u52d5\u5efa\u7acb Trace\nresult = process_query(<span class=\"hljs-string\">\"hello mlflow\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><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\n<h3 class=\"wp-block-heading\">\u81ea\u8a02 Span \u8a2d\u5b9a<\/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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from mlflow.entities import SpanType\n\n@mlflow.trace(\n    name=<span class=\"hljs-string\">\"\u81ea\u8a02\u540d\u7a31\"<\/span>,           <span class=\"hljs-comment\"># \u8986\u5beb\u9810\u8a2d\u7684\u51fd\u6578\u540d\u7a31<\/span>\n    span_type=SpanType.TOOL,  <span class=\"hljs-comment\"># \u6307\u5b9a Span \u985e\u578b<\/span>\n    attributes={<span class=\"hljs-string\">\"version\"<\/span>: <span class=\"hljs-string\">\"1.0\"<\/span>, <span class=\"hljs-string\">\"env\"<\/span>: <span class=\"hljs-string\">\"dev\"<\/span>}  <span class=\"hljs-comment\"># \u81ea\u8a02 attributes<\/span>\n)\ndef my_tool(input_data: dict) -&gt; dict:\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-string\">\"processed\"<\/span>: <span class=\"hljs-keyword\">True<\/span>, <span class=\"hljs-string\">\"data\"<\/span>: input_data}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><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<h3 class=\"wp-block-heading\">\u5de2\u72c0\u8ffd\u8e64<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u88dd\u98fe\u5668\u6703\u81ea\u52d5\u8655\u7406\u7236\u5b50\u95dc\u4fc2\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=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\n\n@mlflow.trace\ndef step_1(x):\n    <span class=\"hljs-keyword\">return<\/span> x + <span class=\"hljs-number\">1<\/span>\n\n@mlflow.trace\ndef step_2(x):\n    <span class=\"hljs-keyword\">return<\/span> x * <span class=\"hljs-number\">2<\/span>\n\n@mlflow.trace(name=<span class=\"hljs-string\">\"Pipeline\"<\/span>)\ndef run_pipeline(x):\n    a = step_1(x)      <span class=\"hljs-comment\"># \u5b50 Span<\/span>\n    b = step_2(a)      <span class=\"hljs-comment\"># \u5b50 Span<\/span>\n    <span class=\"hljs-keyword\">return<\/span> b\n\n<span class=\"hljs-comment\"># \u57f7\u884c\u5f8c\u6703\u7522\u751f\u5de2\u72c0\u7684 Span \u7d50\u69cb<\/span>\nresult = run_pipeline(<span class=\"hljs-number\">5<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><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\">\u57f7\u884c\u5f8c\u7684 Trace \u7d50\u69cb\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\">Pipeline (root span)\n\u251c\u2500\u2500 step_1\n\u2514\u2500\u2500 step_2\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u52d5\u614b\u66f4\u65b0 Span<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u51fd\u6578\u5167\u90e8\u53d6\u5f97\u7576\u524d Span \u4e26\u66f4\u65b0\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-11\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">@mlflow.trace(span_type=SpanType.LLM)\ndef call_llm(prompt: str):\n    model_id = <span class=\"hljs-string\">\"gpt-4o-mini\"<\/span>\n\n    <span class=\"hljs-comment\"># \u53d6\u5f97\u7576\u524d\u6d3b\u8e8d\u7684 Span<\/span>\n    span = mlflow.get_current_active_span()\n    span.set_attributes({<span class=\"hljs-string\">\"model\"<\/span>: model_id, <span class=\"hljs-string\">\"temperature\"<\/span>: <span class=\"hljs-number\">0.7<\/span>})\n\n    <span class=\"hljs-comment\"># \u547c\u53eb LLM<\/span>\n    response = client.chat.completions.create(\n        model=model_id,\n        messages=&#91;{<span class=\"hljs-string\">\"role\"<\/span>: <span class=\"hljs-string\">\"user\"<\/span>, <span class=\"hljs-string\">\"content\"<\/span>: prompt}]\n    )\n\n    <span class=\"hljs-keyword\">return<\/span> response.choices&#91;<span class=\"hljs-number\">0<\/span>].message.content\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><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<h3 class=\"wp-block-heading\">\u5305\u88dd\u5916\u90e8\u51fd\u6578<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c0d\u65bc\u7121\u6cd5\u76f4\u63a5\u52a0\u88dd\u98fe\u5668\u7684\u5916\u90e8\u51fd\u6578\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-12\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import math\nimport mlflow\n\ndef calculate(x):\n    <span class=\"hljs-comment\"># \u5305\u88dd\u5916\u90e8\u51fd\u6578<\/span>\n    traced_sqrt = mlflow.trace(math.sqrt)\n    traced_pow = mlflow.trace(math.pow)\n\n    root = traced_sqrt(x)\n    squared = traced_pow(root, <span class=\"hljs-number\">2<\/span>)\n    <span class=\"hljs-keyword\">return<\/span> squared\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u5340\u584a\u8ffd\u8e64\uff1awith mlflow.start_span()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u9700\u8981\u8ffd\u8e64\u4efb\u610f\u7a0b\u5f0f\u78bc\u5340\u584a\uff08\u4e0d\u53ea\u662f\u51fd\u6578\uff09\u6642\uff0c\u4f7f\u7528 context manager\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u7528\u6cd5<\/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-13\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\n\nwith mlflow.start_span(name=<span class=\"hljs-string\">\"\u8cc7\u6599\u8655\u7406\"<\/span>) <span class=\"hljs-keyword\">as<\/span> span:\n    <span class=\"hljs-comment\"># \u624b\u52d5\u8a2d\u5b9a\u8f38\u5165<\/span>\n    span.set_inputs({<span class=\"hljs-string\">\"data_size\"<\/span>: <span class=\"hljs-number\">1000<\/span>})\n\n    <span class=\"hljs-comment\"># \u4f60\u7684\u7a0b\u5f0f\u78bc<\/span>\n    processed_data = &#91;x * <span class=\"hljs-number\">2<\/span> <span class=\"hljs-keyword\">for<\/span> x in range(<span class=\"hljs-number\">1000<\/span>)]\n\n    <span class=\"hljs-comment\"># \u624b\u52d5\u8a2d\u5b9a\u8f38\u51fa<\/span>\n    span.set_outputs({<span class=\"hljs-string\">\"result_count\"<\/span>: len(processed_data)})\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><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<h3 class=\"wp-block-heading\">\u6307\u5b9a Span \u985e\u578b\u548c\u5c6c\u6027<\/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-14\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from mlflow.entities import SpanType\n\nwith mlflow.start_span(\n    name=<span class=\"hljs-string\">\"\u5411\u91cf\u641c\u5c0b\"<\/span>,\n    span_type=SpanType.RETRIEVER\n) <span class=\"hljs-keyword\">as<\/span> span:\n    span.set_inputs({<span class=\"hljs-string\">\"query\"<\/span>: <span class=\"hljs-string\">\"MLflow \u662f\u4ec0\u9ebc\uff1f\"<\/span>})\n    span.set_attributes({<span class=\"hljs-string\">\"top_k\"<\/span>: <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-string\">\"index\"<\/span>: <span class=\"hljs-string\">\"documents\"<\/span>})\n\n    <span class=\"hljs-comment\"># \u57f7\u884c\u5411\u91cf\u641c\u5c0b<\/span>\n    results = vector_db.search(query, top_k=<span class=\"hljs-number\">5<\/span>)\n\n    span.set_outputs({<span class=\"hljs-string\">\"documents\"<\/span>: results})\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><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<h3 class=\"wp-block-heading\">\u6df7\u5408\u4f7f\u7528\u88dd\u98fe\u5668\u548c Context Manager<\/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-15\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\n\n@mlflow.trace\ndef step_a(x):\n    <span class=\"hljs-keyword\">return<\/span> x + <span class=\"hljs-number\">1<\/span>\n\n@mlflow.trace\ndef step_b(x):\n    <span class=\"hljs-keyword\">return<\/span> x * <span class=\"hljs-number\">2<\/span>\n\ndef complex_workflow(data):\n    with mlflow.start_span(name=<span class=\"hljs-string\">\"Workflow\"<\/span>) <span class=\"hljs-keyword\">as<\/span> span:\n        span.set_inputs({<span class=\"hljs-string\">\"data\"<\/span>: data})\n\n        <span class=\"hljs-comment\"># \u9019\u4e9b\u6703\u8b8a\u6210\u5b50 Span<\/span>\n        result_a = step_a(data)\n        result_b = step_b(result_a)\n\n        span.set_outputs({<span class=\"hljs-string\">\"result\"<\/span>: result_b})\n        <span class=\"hljs-keyword\">return<\/span> result_b\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u9032\u968e\u529f\u80fd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u65b0 Trace \u6a19\u7c64\u548c\u9810\u89bd<\/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-16\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">@mlflow.trace\ndef summarize(document: str):\n    <span class=\"hljs-comment\"># \u8a2d\u5b9a Trace \u6a19\u7c64<\/span>\n    mlflow.update_current_trace(tags={<span class=\"hljs-string\">\"task\"<\/span>: <span class=\"hljs-string\">\"summarization\"<\/span>})\n\n    <span class=\"hljs-comment\"># \u81ea\u8a02 UI \u9810\u89bd\u6587\u5b57\uff08\u907f\u514d\u986f\u793a\u904e\u9577\u7684\u5167\u5bb9\uff09<\/span>\n    mlflow.update_current_trace(\n        request_preview=f<span class=\"hljs-string\">\"Document: {document&#91;:50]}...\"<\/span>,\n        response_preview=<span class=\"hljs-string\">\"Summary generated\"<\/span>\n    )\n\n    summary = f<span class=\"hljs-string\">\"Summary of: {document&#91;:100]}...\"<\/span>\n    <span class=\"hljs-keyword\">return<\/span> summary\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><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<h3 class=\"wp-block-heading\">\u975e\u540c\u6b65\u51fd\u6578\u8ffd\u8e64<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f9e MLflow 2.16.0 \u958b\u59cb\uff0c\u88dd\u98fe\u5668\u5b8c\u6574\u652f\u63f4 async\/await\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-17\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\nimport asyncio\n\n@mlflow.trace\nasync def async_process(data):\n    await asyncio.sleep(<span class=\"hljs-number\">1<\/span>)  <span class=\"hljs-comment\"># \u6a21\u64ec\u975e\u540c\u6b65\u64cd\u4f5c<\/span>\n    <span class=\"hljs-keyword\">return<\/span> data * <span class=\"hljs-number\">2<\/span>\n\nasync def main():\n    result = await async_process(<span class=\"hljs-number\">10<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>(result)\n\nasyncio.run(main())\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><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<h3 class=\"wp-block-heading\">Generator \u51fd\u6578\u8ffd\u8e64<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f9e MLflow 2.20.2 \u958b\u59cb\u652f\u63f4 generator\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-18\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">@mlflow.trace\ndef stream_response():\n    <span class=\"hljs-keyword\">for<\/span> i in range(<span class=\"hljs-number\">5<\/span>):\n        <span class=\"hljs-keyword\">yield<\/span> f<span class=\"hljs-string\">\"chunk_{i}\"<\/span>\n\n<span class=\"hljs-comment\"># \u8ffd\u8e64\u6703\u8a18\u9304\u6240\u6709 yield \u7684\u503c<\/span>\n<span class=\"hljs-keyword\">for<\/span> chunk in stream_response():\n    <span class=\"hljs-keyword\">print<\/span>(chunk)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-18\"><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<h3 class=\"wp-block-heading\">\u591a\u57f7\u884c\u7dd2\u8ffd\u8e64<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u57f7\u884c\u7dd2\u74b0\u5883\u9700\u8981\u624b\u52d5\u50b3\u905e context\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-19\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\nimport contextvars\nfrom concurrent.futures import ThreadPoolExecutor\n\n@mlflow.trace\ndef process_item(item):\n    <span class=\"hljs-keyword\">return<\/span> item * <span class=\"hljs-number\">2<\/span>\n\n@mlflow.trace\ndef parallel_process(items):\n    <span class=\"hljs-comment\"># \u8907\u88fd\u7576\u524d context<\/span>\n    ctx = contextvars.copy_context()\n\n    with ThreadPoolExecutor(max_workers=<span class=\"hljs-number\">4<\/span>) <span class=\"hljs-keyword\">as<\/span> executor:\n        <span class=\"hljs-comment\"># \u5728 context \u4e2d\u57f7\u884c<\/span>\n        results = <span class=\"hljs-keyword\">list<\/span>(executor.map(\n            lambda x: ctx.run(process_item, x),\n            items\n        ))\n\n    <span class=\"hljs-keyword\">return<\/span> results\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-19\"><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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">8. \u5b8c\u6574\u7bc4\u4f8b\uff1aRAG Pipeline \u8ffd\u8e64<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b93\u6211\u5011\u7528\u4e00\u500b\u5be6\u969b\u7684 RAG\uff08Retrieval-Augmented Generation\uff09\u7bc4\u4f8b\u4f86\u5c55\u793a\u5982\u4f55\u7d44\u5408\u4f7f\u7528\u9019\u4e9b\u8ffd\u8e64\u529f\u80fd\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-20\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import mlflow\nfrom mlflow.entities import SpanType\nfrom openai import OpenAI\n\n<span class=\"hljs-comment\"># \u555f\u7528\u81ea\u52d5\u8ffd\u8e64<\/span>\nmlflow.openai.autolog()\nmlflow.set_tracking_uri(<span class=\"hljs-string\">\"http:\/\/localhost:5000\"<\/span>)\n\nclient = OpenAI()\n\n<span class=\"hljs-comment\"># \u6a21\u64ec\u5411\u91cf\u8cc7\u6599\u5eab<\/span>\ndocuments = &#91;\n    <span class=\"hljs-string\">\"MLflow \u662f\u4e00\u500b\u958b\u6e90\u7684\u6a5f\u5668\u5b78\u7fd2\u5e73\u53f0\u3002\"<\/span>,\n    <span class=\"hljs-string\">\"MLflow Tracing \u63d0\u4f9b LLM \u53ef\u89c0\u6e2c\u6027\u3002\"<\/span>,\n    <span class=\"hljs-string\">\"MLflow \u652f\u63f4\u5be6\u9a57\u8ffd\u8e64\u548c\u6a21\u578b\u7ba1\u7406\u3002\"<\/span>\n]\n\n@mlflow.trace(span_type=SpanType.RETRIEVER)\ndef retrieve_documents(query: str, top_k: int = <span class=\"hljs-number\">2<\/span>) -&gt; <span class=\"hljs-keyword\">list<\/span>:\n    <span class=\"hljs-string\">\"\"<\/span><span class=\"hljs-string\">\"\u7c21\u5316\u7684\u6aa2\u7d22\u51fd\u6578\"<\/span><span class=\"hljs-string\">\"\"<\/span>\n    <span class=\"hljs-comment\"># \u5be6\u969b\u61c9\u7528\u4e2d\u9019\u88e1\u6703\u662f\u5411\u91cf\u641c\u5c0b<\/span>\n    span = mlflow.get_current_active_span()\n    span.set_attributes({<span class=\"hljs-string\">\"top_k\"<\/span>: top_k})\n    <span class=\"hljs-keyword\">return<\/span> documents&#91;:top_k]\n\n@mlflow.trace(span_type=SpanType.CHAIN)\ndef build_prompt(query: str, context: <span class=\"hljs-keyword\">list<\/span>) -&gt; str:\n    <span class=\"hljs-string\">\"\"<\/span><span class=\"hljs-string\">\"\u5efa\u69cb prompt\"<\/span><span class=\"hljs-string\">\"\"<\/span>\n    context_text = <span class=\"hljs-string\">\"\\n\"<\/span>.join(context)\n    <span class=\"hljs-keyword\">return<\/span> f<span class=\"hljs-string\">\"\"<\/span><span class=\"hljs-string\">\"\u6839\u64da\u4ee5\u4e0b\u8cc7\u8a0a\u56de\u7b54\u554f\u984c\uff1a\n\n\u8cc7\u8a0a\uff1a\n{context_text}\n\n\u554f\u984c\uff1a{query}\n\n\u8acb\u7528\u7e41\u9ad4\u4e2d\u6587\u56de\u7b54\uff1a\"<\/span><span class=\"hljs-string\">\"\"<\/span>\n\n@mlflow.trace(name=<span class=\"hljs-string\">\"RAG Pipeline\"<\/span>, span_type=SpanType.AGENT)\ndef rag_query(query: str) -&gt; str:\n    <span class=\"hljs-string\">\"\"<\/span><span class=\"hljs-string\">\"\u5b8c\u6574\u7684 RAG Pipeline\"<\/span><span class=\"hljs-string\">\"\"<\/span>\n    mlflow.update_current_trace(tags={<span class=\"hljs-string\">\"pipeline\"<\/span>: <span class=\"hljs-string\">\"rag\"<\/span>, <span class=\"hljs-string\">\"version\"<\/span>: <span class=\"hljs-string\">\"1.0\"<\/span>})\n\n    <span class=\"hljs-comment\"># 1. \u6aa2\u7d22\u76f8\u95dc\u6587\u4ef6<\/span>\n    docs = retrieve_documents(query)\n\n    <span class=\"hljs-comment\"># 2. \u5efa\u69cb prompt<\/span>\n    prompt = build_prompt(query, docs)\n\n    <span class=\"hljs-comment\"># 3. \u547c\u53eb LLM\uff08\u6703\u88ab autolog \u81ea\u52d5\u8ffd\u8e64\uff09<\/span>\n    response = client.chat.completions.create(\n        model=<span class=\"hljs-string\">\"gpt-4o-mini\"<\/span>,\n        messages=&#91;{<span class=\"hljs-string\">\"role\"<\/span>: <span class=\"hljs-string\">\"user\"<\/span>, <span class=\"hljs-string\">\"content\"<\/span>: prompt}]\n    )\n\n    <span class=\"hljs-keyword\">return<\/span> response.choices&#91;<span class=\"hljs-number\">0<\/span>].message.content\n\n<span class=\"hljs-comment\"># \u57f7\u884c\u4e26\u8ffd\u8e64<\/span>\n<span class=\"hljs-keyword\">if<\/span> __name__ == <span class=\"hljs-string\">\"__main__\"<\/span>:\n    result = rag_query(<span class=\"hljs-string\">\"\u4ec0\u9ebc\u662f MLflow\uff1f\"<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>(result)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-20\"><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\">\u57f7\u884c\u5f8c\uff0c\u5728 MLflow UI \u4e2d\u4f60\u6703\u770b\u5230\u5b8c\u6574\u7684 Trace \u7d50\u69cb\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\">RAG Pipeline (AGENT)\n\u251c\u2500\u2500 retrieve_documents (RETRIEVER)\n\u251c\u2500\u2500 build_prompt (CHAIN)\n\u2514\u2500\u2500 ChatCompletion (LLM) - \u7531 autolog \u81ea\u52d5\u7522\u751f\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\">\u91cd\u9ede\u56de\u9867<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u6982\u5ff5<\/th>\n<th>\u8aaa\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b89\u88dd<\/td>\n<td><code>pip install mlflow<\/code> \u6216 <code>pip install mlflow-tracing<\/code>\uff08\u8f15\u91cf\u7248\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u52d5\u8ffd\u8e64<\/td>\n<td><code>mlflow.openai.autolog()<\/code> \/ <code>mlflow.anthropic.autolog()<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u624b\u52d5\u8ffd\u8e64<\/td>\n<td><code>@mlflow.trace<\/code> \u88dd\u98fe\u5668<\/td>\n<\/tr>\n<tr>\n<td>\u5340\u584a\u8ffd\u8e64<\/td>\n<td><code>with mlflow.start_span()<\/code> context manager<\/td>\n<\/tr>\n<tr>\n<td>UI \u555f\u52d5<\/td>\n<td><code>mlflow ui<\/code> \u5f8c\u524d\u5f80 http:\/\/localhost:5000<\/td>\n<\/tr>\n<tr>\n<td>Span \u985e\u578b<\/td>\n<td><code>SpanType.LLM<\/code>\u3001<code>SpanType.TOOL<\/code>\u3001<code>SpanType.AGENT<\/code> \u7b49<\/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\">\u4e0b\u4e00\u6b65<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u5728\u4f60\u5df2\u7d93\u638c\u63e1\u4e86 MLflow Tracing \u7684\u57fa\u790e\u7528\u6cd5\u3002\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 MLflow Evaluate \u4f86\u8a55\u4f30\u4f60\u7684 GenAI \u61c9\u7528\u54c1\u8cea\uff0c\u5305\u62ec\u8a2d\u5b9a\u8a55\u4f30\u6307\u6a19\u3001\u5efa\u7acb\u6e2c\u8a66\u8cc7\u6599\u96c6\uff0c\u4ee5\u53ca\u89e3\u8b80\u8a55\u4f30\u7d50\u679c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c3\u8003\u8cc7\u6e90<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/mlflow.org\/docs\/latest\/genai\/tracing\/\">MLflow Tracing for LLM Observability<\/a><\/li>\n<li><a href=\"https:\/\/mlflow.org\/docs\/latest\/genai\/tracing\/app-instrumentation\/manual-tracing\/\">MLflow Manual Tracing<\/a><\/li>\n<li><a href=\"https:\/\/mlflow.org\/docs\/latest\/genai\/tracing\/observe-with-traces\/ui\">MLflow Tracing UI<\/a><\/li>\n<li><a href=\"https:\/\/pypi.org\/project\/mlflow-tracing\/\">mlflow-tracing PyPI<\/a><\/li>\n<li><a href=\"https:\/\/docs.databricks.com\/aws\/en\/mlflow3\/genai\/tracing\/span-concepts\">Span Concepts &#8211; Databricks<\/a><\/li>\n<\/ul>\n\n\n\n<div id=\"quiz-2d151a99\">\n<style>\n#quiz-2d151a99 .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-2d151a99 .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-2d151a99 .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-2d151a99 .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-2d151a99 .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-2d151a99 .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-2d151a99 .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-2d151a99 .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-2d151a99 .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-2d151a99 .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-2d151a99 .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-2d151a99 .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-2d151a99 .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-2d151a99 .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-2d151a99 .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-2d151a99 .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-2d151a99 .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\uff1aMLflow Tracing \u5165\u9580<\/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 RAG \u61c9\u7528\u7a0b\u5f0f\uff0c\u9700\u8981\u8ffd\u8e64\u5411\u91cf\u8cc7\u6599\u5eab\u7684\u641c\u5c0b\u64cd\u4f5c\u3002\u4f60\u60f3\u8981\u5728 Span \u4e2d\u8a18\u9304\u641c\u5c0b\u7684 top_k \u53c3\u6578\u548c\u4f7f\u7528\u7684\u7d22\u5f15\u540d\u7a31\u3002\u61c9\u8a72\u600e\u9ebc\u505a\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">@mlflow.trace(span_type=SpanType.RETRIEVER)\ndef search_documents(query: str, top_k: int = 5):\n    # \u4f60\u7684\u5411\u91cf\u641c\u5c0b\u908f\u8f2f\n    results = vector_db.search(query, top_k=top_k)\n    return results<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'B')\">A. \u5728\u88dd\u98fe\u5668\u7684 attributes \u53c3\u6578\u4e2d\u76f4\u63a5\u8a2d\u5b9a <code>@mlflow.trace(attributes={\"top_k\": top_k})<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'B')\">B. \u5728\u51fd\u6578\u5167\u4f7f\u7528 <code>mlflow.get_current_active_span().set_attributes({\"top_k\": top_k, \"index\": \"documents\"})<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'B')\">C. \u4f7f\u7528 <code>mlflow.log_params({\"top_k\": top_k})<\/code> \u8a18\u9304\u53c3\u6578<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'B')\">D. \u5728\u51fd\u6578\u5167\u4f7f\u7528 <code>mlflow.update_current_trace(attributes={\"top_k\": top_k})<\/code><\/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\u5718\u968a\u6b63\u5728\u5efa\u7acb\u4e00\u500b AI Agent \u7cfb\u7d71\uff0c\u9700\u8981\u8ffd\u8e64\u5b8c\u6574\u7684\u57f7\u884c\u6d41\u7a0b\u3002\u4f60\u6709\u4e09\u500b\u6b65\u9a5f\uff1aretrieve_context\u3001build_prompt\u3001call_llm\uff0c\u5e0c\u671b\u5b83\u5011\u5728 Trace \u4e2d\u986f\u793a\u70ba\u5de2\u72c0\u7d50\u69cb\u3002\u61c9\u8a72\u5982\u4f55\u8a2d\u8a08\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'C')\">A. \u6bcf\u500b\u51fd\u6578\u90fd\u4f7f\u7528 <code>@mlflow.trace<\/code>\uff0c\u5b83\u5011\u6703\u81ea\u52d5\u5e73\u884c\u986f\u793a\u5728\u540c\u4e00\u5c64<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'C')\">B. \u9700\u8981\u624b\u52d5\u4f7f\u7528 <code>parent_span<\/code> \u53c3\u6578\u4f86\u8a2d\u5b9a\u7236\u5b50\u95dc\u4fc2<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'C')\">C. \u5728\u4e3b\u51fd\u6578\u4e0a\u4f7f\u7528 <code>@mlflow.trace<\/code>\uff0c\u5728\u4e3b\u51fd\u6578\u5167\u547c\u53eb\u5176\u4ed6\u6709 <code>@mlflow.trace<\/code> \u88dd\u98fe\u7684\u51fd\u6578\uff0cMLflow \u6703\u81ea\u52d5\u8655\u7406\u7236\u5b50\u95dc\u4fc2<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'C')\">D. \u5fc5\u9808\u4f7f\u7528 <code>with mlflow.start_span()<\/code> \u624d\u80fd\u5efa\u7acb\u5de2\u72c0\u7d50\u69cb<\/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\u9700\u8981\u5728 AWS Lambda \u51fd\u6578\u4e2d\u90e8\u7f72 MLflow Tracing\u3002\u8003\u616e\u5230 Lambda \u7684\u51b7\u555f\u52d5\u6642\u9593\u548c\u5957\u4ef6\u5927\u5c0f\u9650\u5236\uff0c\u4f60\u61c9\u8a72\u5982\u4f55\u5b89\u88dd MLflow\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'A')\">A. \u4f7f\u7528 <code>pip install mlflow-tracing<\/code>\uff0c\u56e0\u70ba\u5b83\u662f\u5c08\u70ba\u751f\u7522\u74b0\u5883\u8a2d\u8a08\u7684\u8f15\u91cf\u5957\u4ef6\uff0c\u9ad4\u7a4d\u5c0f 95%<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'A')\">B. \u4f7f\u7528 <code>pip install mlflow<\/code> \u5b8c\u6574\u7248\uff0c\u78ba\u4fdd\u6240\u6709\u529f\u80fd\u90fd\u53ef\u7528<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'A')\">C. \u540c\u6642\u5b89\u88dd <code>mlflow<\/code> \u548c <code>mlflow-tracing<\/code> \u4ee5\u7372\u5f97\u6700\u4f73\u76f8\u5bb9\u6027<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'A')\">D. Lambda \u4e0d\u652f\u63f4 MLflow Tracing\uff0c\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u8ffd\u8e64\u65b9\u6848<\/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\u5728\u591a\u57f7\u884c\u7dd2\u74b0\u5883\u4e2d\u4f7f\u7528 MLflow Tracing\uff0c\u4f46\u767c\u73fe\u5b50\u57f7\u884c\u7dd2\u7684 Span \u6c92\u6709\u6b63\u78ba\u95dc\u806f\u5230\u7236 Span\u3002\u4ee5\u4e0b\u662f\u4ed6\u7684\u7a0b\u5f0f\u78bc\uff0c\u554f\u984c\u51fa\u5728\u54ea\u88e1\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">import mlflow\nfrom concurrent.futures import ThreadPoolExecutor\n\n@mlflow.trace\ndef process_item(item):\n    return item * 2\n\n@mlflow.trace\ndef parallel_process(items):\n    with ThreadPoolExecutor(max_workers=4) as executor:\n        results = list(executor.map(process_item, items))\n    return results\n\n# \u57f7\u884c\u5f8c\uff0cprocess_item \u7684 Span \u6c92\u6709\u6b63\u78ba\u986f\u793a\u70ba parallel_process \u7684\u5b50 Span<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. \u61c9\u8a72\u5728 <code>process_item<\/code> \u51fd\u6578\u4e0a\u4f7f\u7528 <code>@mlflow.trace(parent=\"parallel_process\")<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. \u591a\u57f7\u884c\u7dd2\u74b0\u5883\u9700\u8981\u624b\u52d5\u8907\u88fd context \u4e26\u5728 context \u4e2d\u57f7\u884c\uff0c\u4f7f\u7528 <code>contextvars.copy_context()<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. <code>ThreadPoolExecutor<\/code> \u4e0d\u652f\u63f4 MLflow Tracing\uff0c\u61c9\u8a72\u6539\u7528 <code>multiprocessing<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. \u9700\u8981\u5728\u6bcf\u500b\u5b50\u57f7\u884c\u7dd2\u4e2d\u91cd\u65b0\u547c\u53eb <code>mlflow.set_tracking_uri()<\/code><\/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. \u5c0f\u83ef\u5b89\u88dd\u4e86 MLflow \u4e26\u5617\u8a66\u4f7f\u7528\u81ea\u52d5\u8ffd\u8e64\uff0c\u4f46\u57f7\u884c\u5f8c\u5728 UI \u4e2d\u770b\u4e0d\u5230\u4efb\u4f55 Trace\u3002\u4ee5\u4e0b\u662f\u5979\u7684\u7a0b\u5f0f\u78bc\uff0c\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\">import mlflow\nfrom openai import OpenAI\n\nclient = OpenAI()\n\nmlflow.openai.autolog()\n\nresponse = client.chat.completions.create(\n    model=&#8221;gpt-4o-mini&#8221;,\n    messages=[{&#8220;role&#8221;: &#8220;user&#8221;, &#8220;content&#8221;: &#8220;Hello!&#8221;}]\n)\n\nprint(response.choices[0].message.content)<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'C')\">A. <code>mlflow.openai.autolog()<\/code> \u9700\u8981\u50b3\u5165 <code>enabled=True<\/code> \u53c3\u6578<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'C')\">B. \u9700\u8981\u5728 <code>autolog()<\/code> \u4e4b\u524d\u5148\u5efa\u7acb OpenAI client<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'C')\">C. <code>mlflow.openai.autolog()<\/code> \u61c9\u8a72\u5728\u5efa\u7acb OpenAI client \u4e4b\u524d\u547c\u53eb\uff0c\u9019\u6a23\u624d\u80fd\u6b63\u78ba patch<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'C')\">D. \u9700\u8981\u4f7f\u7528 <code>mlflow.start_run()<\/code> \u624d\u80fd\u555f\u7528\u8ffd\u8e64<\/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: \"\u8981\u5728\u57f7\u884c\u6642\u52d5\u614b\u8a2d\u5b9a Span \u7684 attributes\uff0c\u9700\u8981\u5728\u51fd\u6578\u5167\u90e8\u4f7f\u7528 <code>mlflow.get_current_active_span()<\/code> \u53d6\u5f97\u7576\u524d\u7684 Span \u7269\u4ef6\uff0c\u7136\u5f8c\u547c\u53eb <code>set_attributes()<\/code> \u65b9\u6cd5\u3002\u88dd\u98fe\u5668\u7684 attributes \u53c3\u6578\u53ea\u80fd\u8a2d\u5b9a\u975c\u614b\u503c\uff0c\u7121\u6cd5\u5b58\u53d6\u51fd\u6578\u53c3\u6578\u3002<code>mlflow.log_params()<\/code> \u662f\u7528\u65bc MLflow Tracking \u7684\u5be6\u9a57\u53c3\u6578\u8a18\u9304\uff0c\u4e0d\u662f Tracing \u7684 Span attributes\u3002\",\n        2: \"MLflow \u7684 <code>@mlflow.trace<\/code> \u88dd\u98fe\u5668\u6703\u81ea\u52d5\u8655\u7406\u7236\u5b50\u95dc\u4fc2\u3002\u7576\u4e00\u500b\u6709\u88dd\u98fe\u5668\u7684\u51fd\u6578\u5728\u53e6\u4e00\u500b\u6709\u88dd\u98fe\u5668\u7684\u51fd\u6578\u5167\u88ab\u547c\u53eb\u6642\uff0cMLflow \u6703\u81ea\u52d5\u5efa\u7acb\u5de2\u72c0\u7684 Span \u7d50\u69cb\u3002\u4e0d\u9700\u8981\u624b\u52d5\u8a2d\u5b9a parent_span \u53c3\u6578\u3002\",\n        3: \"<code>mlflow-tracing<\/code> \u662f\u5c08\u70ba\u751f\u7522\u74b0\u5883\u8a2d\u8a08\u7684\u8f15\u91cf\u5957\u4ef6\uff0c\u9ad4\u7a4d\u6bd4\u5b8c\u6574\u7248\u5c0f 95%\uff0c\u4f9d\u8cf4\u5957\u4ef6\u66f4\u5c11\uff0c\u975e\u5e38\u9069\u5408 Docker \u5bb9\u5668\u3001Serverless \u51fd\u6578\u7b49\u5c0d\u555f\u52d5\u6642\u9593\u548c\u5957\u4ef6\u5927\u5c0f\u654f\u611f\u7684\u5834\u666f\u3002\u6ce8\u610f\uff1a\u4e0d\u8981\u540c\u6642\u5b89\u88dd <code>mlflow<\/code> \u548c <code>mlflow-tracing<\/code>\uff0c\u6703\u9020\u6210\u7248\u672c\u885d\u7a81\u3002\",\n        4: \"\u5728\u591a\u57f7\u884c\u7dd2\u74b0\u5883\u4e2d\uff0c\u6bcf\u500b\u57f7\u884c\u7dd2\u6709\u81ea\u5df1\u7684 context\uff0c\u9810\u8a2d\u4e0d\u6703\u7e7c\u627f\u7236\u57f7\u884c\u7dd2\u7684\u8ffd\u8e64 context\u3002\u9700\u8981\u4f7f\u7528 <code>contextvars.copy_context()<\/code> \u8907\u88fd\u7576\u524d\u7684 context\uff0c\u7136\u5f8c\u5728\u5b50\u57f7\u884c\u7dd2\u4e2d\u4f7f\u7528 <code>ctx.run(process_item, x)<\/code> \u57f7\u884c\u51fd\u6578\uff0c\u9019\u6a23 Span \u624d\u6703\u6b63\u78ba\u95dc\u806f\u5230\u7236 Span\u3002\",\n        5: \"<code>mlflow.openai.autolog()<\/code> \u900f\u904e monkey patching \u7684\u65b9\u5f0f\u6514\u622a OpenAI SDK \u7684\u547c\u53eb\u3002\u5fc5\u9808\u5728\u5efa\u7acb OpenAI client \u4e4b\u524d\u547c\u53eb <code>autolog()<\/code>\uff0c\u624d\u80fd\u6b63\u78ba patch SDK\u3002\u5728\u7a0b\u5f0f\u78bc\u4e2d\uff0cclient \u5728 <code>autolog()<\/code> \u4e4b\u524d\u5c31\u5df2\u7d93\u5efa\u7acb\uff0c\u6240\u4ee5\u8ffd\u8e64\u4e0d\u6703\u751f\u6548\u3002\u6b63\u78ba\u7684\u9806\u5e8f\u662f\uff1a\u5148\u547c\u53eb <code>mlflow.openai.autolog()<\/code>\uff0c\u518d\u5efa\u7acb <code>OpenAI()<\/code> client\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\uff1aMLflow Tracing \u5165\u9580 \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c 1. \u5728\u751f\u7522\u74b0\u5883\u4e2d\u90e8\u7f72 MLf 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