{"id":103161,"date":"2026-09-10T00:25:27","date_gmt":"2026-09-09T16:25:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/103161.html"},"modified":"2026-09-10T00:25:27","modified_gmt":"2026-09-09T16:25:27","slug":"tokio-%e8%bf%90%e8%a1%8c%e6%97%b6%e8%b0%83%e4%bc%98%ef%bc%9aworker_threads-%e4%b8%8e-max_blocking_threads-%e9%85%8d%e7%bd%ae%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/103161.html","title":{"rendered":"Tokio \u8fd0\u884c\u65f6\u8c03\u4f18\uff1aworker_threads \u4e0e max_blocking_threads \u914d\u7f6e\u6307\u5357"},"content":{"rendered":"<h2>Tokio \u8fd0\u884c\u65f6\u8c03\u4f18&#xff1a;worker_threads \u4e0e max_blocking_threads \u914d\u7f6e\u6307\u5357<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260909162526-6aa1887677546.webp\" alt=\"\u5c01\u9762\u4fe1\u606f\u56fe\" \/><\/p>\n<p>\u5728\u5c06\u57fa\u4e8e Tokio \u7684\u7f51\u7edc\u670d\u52a1\u6216 AI \u63a8\u7406\u7f51\u5173\u90e8\u7f72\u5230\u751f\u4ea7\u5bb9\u5668&#xff08;Docker\/Kubernetes&#xff09;\u73af\u5883\u65f6&#xff0c;\u8bb8\u591a\u5de5\u7a0b\u5e08\u76f4\u63a5\u4f7f\u7528\u9ed8\u8ba4\u7684 #[tokio::main] \u5b8f\u542f\u52a8\u670d\u52a1\u3002\u5728\u5355\u673a\u6216\u5927\u89c4\u683c\u865a\u62df\u673a\u4e0a&#xff0c;\u8fd9\u5957\u9ed8\u8ba4\u914d\u7f6e\u8868\u73b0\u5c1a\u53ef&#xff1b;\u7136\u800c\u4e00\u65e6\u8fdb\u5165\u8d44\u6e90\u53d7\u9650\u7684\u5bb9\u5668\u73af\u5883&#xff08;\u5982\u9650\u5236\u4e3a 2 \u6838\u30014 \u6838 CPU \u7684 Pod&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u53ef\u80fd\u4f1a\u65ad\u5d16\u5f0f\u4e0b\u8dcc&#xff1b;<\/li>\n<li>CPU \u5229\u7528\u7387\u51fa\u73b0\u8be1\u5f02\u7684\u8de8\u6838\u5fc3\u4e89\u62a2&#xff1b;<\/li>\n<li>\u5f02\u6b65\u4efb\u52a1\u4e0e\u963b\u585e\u4efb\u52a1\u76f8\u4e92\u6324\u538b&#xff0c;\u9891\u7e41\u89e6\u53d1\u6392\u961f\u8d85\u65f6\u3002<\/li>\n<\/ul>\n<p>\u7406\u89e3 Tokio \u8fd0\u884c\u65f6\u7684\u4e24\u5927\u6838\u5fc3\u7ebf\u7a0b\u6c60\u914d\u7f6e\u2014\u2014worker_threads&#xff08;\u5f02\u6b65\u5de5\u4f5c\u7ebf\u7a0b\u6570&#xff09; \u4e0e max_blocking_threads&#xff08;\u963b\u585e\u5de5\u4f5c\u7ebf\u7a0b\u4e0a\u9650&#xff09; \u7684\u5e95\u5c42\u5de5\u4f5c\u539f\u7406\u4e0e\u751f\u4ea7\u6700\u4f73\u5b9e\u8df5&#xff0c;\u662f\u53d1\u6325\u786c\u4ef6\u6781\u81f4\u6027\u80fd\u7684\u5fc5\u4fee\u8bfe\u3002<\/p>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n|                       Tokio \u53cc\u7ebf\u7a0b\u6c60\u8fd0\u884c\u65f6\u5185\u90e8\u67b6\u6784                          |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n| 1. \u5f02\u6b65\u6838\u5fc3\u6c60 (Async Worker Pool):                                         |<br \/>\n| &#8211; \u7ebf\u7a0b\u6570\u91cf: worker_threads (\u9ed8\u8ba4\u7b49\u4e8e\u5bbf\u4e3b\u673a\u7269\u7406\u6838\u5fc3\u6570)                        |<br \/>\n| &#8211; \u804c\u8d23: \u7eaf\u5f02\u6b65\u534f\u4f5c\u5f0f\u4e8b\u4ef6\u9a71\u52a8 (Epoll \/ Socket I\/O \/ \u72b6\u6001\u673a Poll)             |<br \/>\n| &#8211; &#x1f6a8; \u94c1\u5f8b: \u7edd\u4e0d\u5141\u8bb8\u5728 Worker \u7ebf\u7a0b\u5185\u6267\u884c\u4efb\u4f55\u8017\u65f6 &gt; 1ms \u7684\u963b\u585e\u64cd\u4f5c&#xff01;           |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n                                    | spawn_blocking() \u4efb\u52a1\u5378\u8f7d<br \/>\n                                    v<br \/>\n| 2. \u963b\u585e\u5de5\u4f5c\u6c60 (Blocking Thread Pool):                                      |<br \/>\n| &#8211; \u7ebf\u7a0b\u6570\u91cf: \u6309\u9700\u52a8\u6001\u521b\u5efa&#xff0c;\u4e0a\u9650\u53d7 max_blocking_threads \u7ea6\u675f (\u9ed8\u8ba4 512)       |<br \/>\n| &#8211; \u804c\u8d23: \u8fd0\u884c\u540c\u6b65\u963b\u585e\u6587\u4ef6 I\/O (tokio::fs)\u3001CPU \u5bc6\u96c6\u7b97\u6cd5\u3001\u540c\u6b65 DB \u9a71\u52a8         |<br \/>\n| &#8211; \u7a7a\u95f2\u56de\u6536: \u9ed8\u8ba4\u7a7a\u95f2 10 \u79d2\u540e\u81ea\u52a8\u9500\u6bc1\u7ebf\u7a0b&#xff0c;\u907f\u514d\u6d6a\u8d39\u5185\u5b58                      |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<\/p>\n<h3>1. worker_threads \u8c03\u4f18&#xff1a;\u5bb9\u5668\u73af\u5883\u4e0b\u7684\u201cCPU \u6838\u5fc3\u8bc6\u522b\u9677\u9631\u201d<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;tokio::runtime::Builder::new_multi_thread() \u4f1a\u8c03\u7528 std::thread::available_parallelism() \u6765\u63a2\u6d4b\u5f53\u524d\u7cfb\u7edf\u7684 CPU \u6838\u5fc3\u6570\u3002<\/p>\n<h4>\u5bb9\u5668\u73af\u5883\u4e0b\u7684\u81f4\u547d\u6697\u5751&#xff1a;<\/h4>\n<p>\u5982\u679c\u4f60\u7684\u5bb9\u5668\u5bbf\u4e3b\u673a\u662f\u4e00\u53f0 128 \u6838\u7684\u9ad8\u6027\u80fd\u7269\u7406\u670d\u52a1\u5668&#xff0c;\u800c Kubernetes \u4e3a\u5f53\u524d Pod \u5206\u914d\u7684\u8d44\u6e90\u914d\u989d\u4ec5\u4e3a limits.cpu: 4&#xff1a;<\/p>\n<ul>\n<li>available_parallelism() \u5728\u65e7\u7248\u672c\u5185\u6838\u6216\u672a\u914d\u7f6e CFS \u914d\u989d\u611f\u77e5\u7684\u5bb9\u5668\u4e2d&#xff0c;\u53ef\u80fd\u4f1a\u9519\u8bef\u5730\u8fd4\u56de\u5bbf\u4e3b\u673a\u7684 128 \u4e2a\u6838\u5fc3&#xff1b;<\/li>\n<li>Tokio \u4f1a\u6beb\u4e0d\u5ba2\u6c14\u5730\u5728\u5355 Pod \u5185\u542f\u52a8 128 \u4e2a Worker \u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b&#xff1b;<\/li>\n<li>\u8fd9 128 \u4e2a\u7ebf\u7a0b\u53bb\u4e89\u62a2 4 \u4e2a\u7269\u7406\u6838\u5fc3\u7684 CPU \u65f6\u95f4\u7247&#xff0c;\u5bfc\u81f4\u4e25\u91cd\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u98ce\u66b4&#xff08;Context Switch Storm&#xff09;&#xff0c;\u7cfb\u7edf\u541e\u5410\u66b4\u8dcc 80% \u4ee5\u4e0a&#xff01;<\/li>\n<\/ul>\n<h4>\u751f\u4ea7\u6700\u4f73\u914d\u7f6e&#xff1a;<\/h4>\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d&#xff0c;\u5f3a\u70c8\u5efa\u8bae\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u663e\u5f0f\u6ce8\u5165\u6216\u4f7f\u7528 tokio::runtime::Builder \u8fdb\u884c\u7cbe\u51c6\u7ea6\u675f&#xff1a;<\/p>\n<p>use tokio::runtime::{Builder, Runtime};<\/p>\n<p>pub fn build_production_runtime() -&gt; Runtime {<br \/>\n    \/\/ \u83b7\u53d6\u7ecf\u8fc7 cgroup \u9650\u5236\u4fee\u6b63\u540e\u7684\u771f\u5b9e\u7269\u7406\u914d\u989d<br \/>\n    let cpu_count &#061; std::thread::available_parallelism()<br \/>\n        .map(|n| n.get())<br \/>\n        .unwrap_or(4)<br \/>\n        .min(16); \/\/ \u9488\u5bf9\u7279\u5b9a\u7f51\u5173\u670d\u52a1\u9650\u5236 Worker \u6838\u5fc3\u4e0a\u9650<\/p>\n<p>    Builder::new_multi_thread()<br \/>\n        .worker_threads(cpu_count) \/\/ \u7cbe\u51c6\u5339\u914d\u5206\u914d\u7684 CPU \u7269\u7406\u914d\u989d<br \/>\n        .thread_name(&#034;tokio-async-worker&#034;)<br \/>\n        .enable_all()<br \/>\n        \/\/ \u9488\u5bf9 I\/O \u5bc6\u96c6\u578b\u4f18\u5316\u8f6e\u8be2\u95f4\u9694<br \/>\n        .event_interval(61)<br \/>\n        .max_blocking_threads(128) \/\/ \u9650\u5236\u963b\u585e\u6c60&#xff0c;\u9632\u6b62\u7ebf\u7a0b\u7206\u70b8<br \/>\n        .build()<br \/>\n        .expect(&#034;Failed to build Tokio production runtime&#034;)<br \/>\n}<\/p>\n<h3>2. max_blocking_threads \u8c03\u4f18&#xff1a;\u9632\u6b62\u7ebf\u7a0b\u5931\u63a7\u4e0e\u5185\u5b58 OOM<\/h3>\n<p>tokio::task::spawn_blocking \u662f\u5c06\u540c\u6b65\u963b\u585e\u64cd\u4f5c&#xff08;\u5982\u8bfb\u53d6\u672c\u5730\u78c1\u76d8\u5927\u6587\u4ef6\u3001\u6267\u884c\u5bc6\u7801\u5b66\u54c8\u5e0c\u8ba1\u7b97&#xff09;\u79fb\u51fa\u5f02\u6b65\u4e3b\u5faa\u73af\u7684\u6807\u51c6\u65b9\u5f0f\u3002<\/p>\n<p>Tokio \u9ed8\u8ba4\u5c06\u963b\u585e\u7ebf\u7a0b\u6c60\u7684\u4e0a\u9650\u8bbe\u4e3a 512 \u4e2a\u7ebf\u7a0b\u3002<\/p>\n<p>\u5728\u6781\u7aef\u9ad8\u5e76\u53d1\u6d41\u91cf\u51b2\u51fb\u4e0b&#xff0c;\u5982\u679c\u4e0b\u6e38\u540c\u6b65\u64cd\u4f5c&#xff08;\u5982\u6162\u901f\u78c1\u76d8\u5199\u5165\u6216\u5916\u90e8\u540c\u6b65\u6570\u636e\u5e93&#xff09;\u53d1\u751f\u963b\u585e&#xff1a;<\/p>\n<ul>\n<li>Tokio \u4f1a\u8fc5\u901f\u521b\u5efa\u65b0\u7684\u963b\u585e\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b&#xff1b;<\/li>\n<li>\u6bcf\u4e2a Linux \u7ebf\u7a0b\u5728\u9ed8\u8ba4\u914d\u7f6e\u4e0b\u5360\u7528 2MB ~ 8MB \u7684\u6808\u5185\u5b58&#xff1b;<\/li>\n<li>512 \u4e2a\u7ebf\u7a0b\u5e76\u53d1\u521b\u5efa\u77ac\u95f4\u541e\u566c 1GB ~ 4GB \u7269\u7406\u5185\u5b58&#xff0c;\u6781\u6613\u76f4\u63a5\u89e6\u53d1 Kubernetes \u7684 OOM-Killed \u5bb9\u5668\u6740\u624b&#xff01;<\/li>\n<\/ul>\n<p>\u8c03\u4f18\u51c6\u5219&#xff1a;<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u4e00\u822c\u7684 API \u7f51\u5173\u6216\u63a8\u7406\u8c03\u5ea6\u670d\u52a1&#xff0c;\u5c06 max_blocking_threads \u6536\u7d27\u5230 64 ~ 128&#xff1b;<\/li>\n<li>\u5982\u679c\u963b\u585e\u4efb\u52a1\u5806\u79ef\u8d85\u8fc7\u7ebf\u7a0b\u6c60\u4e0a\u9650&#xff0c;Tokio \u4f1a\u5728\u5185\u5b58\u961f\u5217\u4e2d\u6392\u961f&#xff0c;\u800c\u4e0d\u662f\u76f2\u76ee\u521b\u5efa\u65b0\u7ebf\u7a0b&#xff0c;\u4ece\u800c\u4fdd\u62a4\u7cfb\u7edf\u7269\u7406\u5185\u5b58\u4e0d\u88ab\u51fb\u7a7f\u3002<\/li>\n<\/ul>\n<h3>3. event_interval \u8c03\u6574&#xff1a;\u538b\u69a8 I\/O \u541e\u5410<\/h3>\n<p>\u5728\u6bcf\u4e2a Worker \u7ebf\u7a0b\u7684\u8c03\u5ea6\u5faa\u73af\u4e2d&#xff0c;event_interval \u53c2\u6570\u63a7\u5236\u7740 Worker \u5728\u6267\u884c\u591a\u5c11\u6b21\u672c\u5730\u5f02\u6b65\u4efb\u52a1\u540e&#xff0c;\u4e3b\u52a8\u68c0\u67e5\u4e00\u6b21\u64cd\u4f5c\u7cfb\u7edf\u7f51\u7edc\u9a71\u52a8&#xff08;Mio\/Epoll&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u9ed8\u8ba4\u503c 61&#xff1a;\u5728\u4efb\u52a1\u5904\u7406\u4e0e\u7f51\u7edc\u4e8b\u4ef6\u54cd\u5e94\u4e4b\u95f4\u53d6\u5f97\u4e86\u6781\u597d\u7684\u901a\u7528\u5e73\u8861&#xff1b;<\/li>\n<li>\u6781\u9ad8\u541e\u5410 I\/O \u5bc6\u96c6\u578b&#xff08;\u5982 Proxy \u7f51\u5173&#xff09;&#xff1a;\u53ef\u9002\u5f53\u8c03\u5c0f\u81f3 31&#xff0c;\u8ba9\u7f51\u7edc\u4e8b\u4ef6\u80fd\u591f\u66f4\u65e9\u88ab\u6355\u83b7\u5904\u7406&#xff0c;\u964d\u4f4e\u957f\u5c3e\u7f51\u7edc\u5ef6\u8fdf&#xff1b;<\/li>\n<li>\u8ba1\u7b97\u5bc6\u96c6\u578b\u6d41\u6c34\u7ebf&#xff1a;\u53ef\u9002\u5f53\u8c03\u5927\u81f3 127&#xff0c;\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7cfb\u7edf\u8c03\u7528&#xff0c;\u63d0\u5347 CPU \u7f13\u5b58\u5c40\u90e8\u6027\u3002<\/li>\n<\/ul>\n<p>\u628a\u6bcf\u4e00\u4e2a\u8fd0\u884c\u65f6\u53c2\u6570\u4e0e\u5e95\u5c42\u7269\u7406\u8d44\u6e90\u7cbe\u51c6\u5bf9\u9f50&#xff0c;\u624d\u80fd\u8ba9 Tokio \u8fd9\u53f0\u7cbe\u5bc6\u53d1\u52a8\u673a\u5728\u751f\u4ea7\u98ce\u66b4\u4e2d\u8ff8\u53d1\u51fa\u6700\u6781\u81f4\u7684\u52a8\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tokio \u8fd0\u884c\u65f6\u8c03\u4f18&#xff1a;worker_threads \u4e0e max_blocking_threads \u914d\u7f6e\u6307\u5357\u5728\u5c06\u57fa\u4e8e Tokio \u7684\u7f51\u7edc\u670d\u52a1\u6216 AI \u63a8\u7406\u7f51\u5173\u90e8\u7f72\u5230\u751f\u4ea7\u5bb9\u5668&#xff08;Docker\/Kubernetes&#xff09;\u73af\u5883\u65f6&#xff0c;\u8bb8\u591a\u5de5\u7a0b\u5e08\u76f4\u63a5\u4f7f\u7528\u9ed8\u8ba4\u7684 #[tokio::main] \u5b8f\u542f\u52a8\u670d\u52a1\u3002\u5728\u5355\u673a\u6216\u5927\u89c4\u683c\u865a\u62df\u673a\u4e0a&#xff0c;\u8fd9\u5957\u9ed8\u8ba4\u914d\u7f6e\u8868\u73b0\u5c1a\u53ef&#xff1b;\u7136\u800c\u4e00\u65e6\u8fdb\u5165\u8d44\u6e90\u53d7\u9650\u7684\u5bb9\u5668\u73af\u5883&#xff08;\u5982\u9650\u5236\u4e3a 2 \u6838\u3001<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[66,50,292,100,51],"topic":[],"class_list":["post-103161","post","type-post","status-publish","format-standard","hentry","category-server","tag-ai","tag-50","tag-292","tag-100","tag-51"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tokio \u8fd0\u884c\u65f6\u8c03\u4f18\uff1aworker_threads \u4e0e max_blocking_threads \u914d\u7f6e\u6307\u5357 - 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