{"id":67733,"date":"2026-01-29T04:49:31","date_gmt":"2026-01-28T20:49:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/67733.html"},"modified":"2026-01-29T04:49:31","modified_gmt":"2026-01-28T20:49:31","slug":"net%e7%ba%bf%e7%a8%8b%e9%a5%a5%e9%a5%bf%e7%9a%84%e5%85%83%e5%87%b6%ef%bc%9atask-run%e6%bb%a5%e7%94%a8%ef%bc%8c%e6%80%a7%e8%83%bd%e6%9a%b4%e8%b7%8c10%e5%80%8d%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/67733.html","title":{"rendered":".NET\u7ebf\u7a0b\u9965\u997f\u7684\u201c\u5143\u51f6\u201d\uff1aTask.Run\u6ee5\u7528\uff0c\u6027\u80fd\u66b4\u8dcc10\u500d\uff01"},"content":{"rendered":"<p>&#x1f525;\u5173\u6ce8\u58a8\u747e\u8f69&#xff0c;\u5e26\u4f60\u63a2\u7d22\u7f16\u7a0b\u7684\u5965\u79d8&#xff01;&#x1f680;<br \/>\n&#x1f525;\u8d85\u840c\u6280\u672f\u653b\u7565&#xff0c;\u8f7b\u677e\u664b\u7ea7\u7f16\u7a0b\u9ad8\u624b&#x1f680;<br 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99%\u7528\u4e8e\u7ebf\u7a0b\u8c03\u5ea6&#xff0c;\u4ea4\u6613\u5ef6\u8fdf\u4ece200ms\u21925s&#xff0c;\u8001\u677f\u8bf4\u2018\u4f60\u8fd9\u7cfb\u7edf&#xff0c;\u6bd4\u6211\u524d\u5973\u53cb\u8fd8\u5584\u53d8\u2019\u3002\u201d<\/p>\n<hr \/>\n<h4>\u4e8c\u3001\u7ebf\u7a0b\u9965\u997f\u771f\u76f8&#xff1a;Task.Run\u7684&#034;\u81f4\u547d\u4e09\u8fde\u51fb&#034;<\/h4>\n<h5>\u274c \u9677\u96311&#xff1a;\u5faa\u73af\u63d0\u4ea4\u6d77\u91cf\u4efb\u52a1&#xff08;\u7ebf\u7a0b\u6c60\u9965\u997f&#xff09;<\/h5>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef\u793a\u4f8b&#xff1a;10\u4e07\u4efb\u52a1\u77ac\u95f4\u8017\u5c3d\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">100000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> Thread<span class=\"token punctuation\">.<\/span><span class=\"token function\">Sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6bcf\u4e2a\u4efb\u52a1\u963b\u585e1\u79d2<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u540e\u679c&#xff1a;<\/p>\n<ul>\n<li>\u7ebf\u7a0b\u6c60\u961f\u5217\u5806\u79ef10\u4e07\u4efb\u52a1<\/li>\n<li>CPU 100%\u7528\u4e8e\u7ebf\u7a0b\u8c03\u5ea6<\/li>\n<li>\u65b0\u8bf7\u6c42\u6392\u961f\u8d85\u65f6&#xff0c;\u7cfb\u7edf\u5d29\u6e83<\/li>\n<\/ul>\n<p>\u771f\u5b9e\u6570\u636e&#xff1a;<\/p>\n<table>\n<tr>\u4efb\u52a1\u6570\u7ebf\u7a0b\u6c60\u961f\u5217CPU\u5360\u7528\u54cd\u5e94\u5ef6\u8fdf<\/tr>\n<tbody>\n<tr>\n<td>10,000<\/td>\n<td>0<\/td>\n<td>40%<\/td>\n<td>200ms<\/td>\n<\/tr>\n<tr>\n<td>100,000<\/td>\n<td>90,000&#043;<\/td>\n<td>99%<\/td>\n<td>5000ms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h5>\u274c \u9677\u96312&#xff1a;\u5728\u5df2\u5728\u7ebf\u7a0b\u6c60\u4e2d\u5d4c\u5957Task.Run&#xff08;\u53cc\u91cd\u8c03\u5ea6&#xff09;<\/h5>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef\u793a\u4f8b&#xff1a;\u5728Task.Run\u5185\u90e8\u518d\u8c03\u7528Task.Run<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">ProcessData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5728\u7ebf\u7a0b\u6c60\u7ebf\u7a0b\u4e2d\u518d\u6b21\u63d0\u4ea4\u4efb\u52a1<\/span><br \/>\n        Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> Thread<span class=\"token punctuation\">.<\/span><span class=\"token function\">Sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u540e\u679c&#xff1a;<\/p>\n<ul>\n<li>\u7ebf\u7a0b\u6c60\u7ebf\u7a0b\u88ab\u53cc\u91cd\u5360\u7528<\/li>\n<li>\u989d\u5916\u8c03\u5ea6\u5f00\u9500\u589e\u52a0200%<\/li>\n<li>\u8d44\u6e90\u6d6a\u8d39&#xff0c;\u541e\u5410\u91cf\u4e0b\u964d<\/li>\n<\/ul>\n<p>\u6027\u80fd\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u573a\u666f1000\u6b21\u8c03\u7528\u8017\u65f6<\/tr>\n<tbody>\n<tr>\n<td>\u6b63\u5e38\u8c03\u7528<\/td>\n<td>1.2\u79d2<\/td>\n<\/tr>\n<tr>\n<td>\u5d4c\u5957Task.Run<\/td>\n<td>3.6\u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h5>\u274c \u9677\u96313&#xff1a;\u963b\u585e\u5f02\u6b65\u4efb\u52a1&#xff08;\u6b7b\u9501&#043;\u7ebf\u7a0b\u9965\u997f&#xff09;<\/h5>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef\u793a\u4f8b&#xff1a;\u540c\u6b65\u7b49\u5f85\u5f02\u6b65\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">GetDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>Result<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6b7b\u9501&#043;\u7ebf\u7a0b\u9965\u997f<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">GetDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Data&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u540e\u679c&#xff1a;<\/p>\n<ul>\n<li>UI\/ASP.NET\u7ebf\u7a0b\u88ab\u963b\u585e<\/li>\n<li>\u7ebf\u7a0b\u6c60\u7ebf\u7a0b\u88ab\u5360\u7528\u65e0\u6cd5\u91ca\u653e<\/li>\n<li>\u7cfb\u7edf\u5b8c\u5168\u5361\u6b7b<\/li>\n<\/ul>\n<p>&#x1f4a1; \u4e3a\u4ec0\u4e48\u6b7b\u9501&#xff1f;<br \/>\n.Result\u4f1a\u540c\u6b65\u7b49\u5f85&#xff0c;\u4f46\u5f53\u524d\u7ebf\u7a0b&#xff08;UI\/HTTP&#xff09;\u65e0\u6cd5\u7ee7\u7eed\u5904\u7406&#xff0c;\u5bfc\u81f4\u7ebf\u7a0b\u6c60\u7ebf\u7a0b\u88ab\u5360\u7528\u65e0\u6cd5\u91ca\u653e&#xff0c;\u6700\u7ec8\u8017\u5c3d\u6240\u6709\u7ebf\u7a0b\u3002<\/p>\n<hr \/>\n<h4>\u4e09\u3001\u89e3\u836f&#xff1a;Task.Run\u7684&#034;\u4e09\u628a\u91d1\u94a5\u5319&#034;<\/h4>\n<h5>&#x1f511; \u5173\u952e1&#xff1a;\u4fe1\u53f7\u91cf\u7cbe\u51c6\u63a7\u5236\u5e76\u53d1&#xff08;\u63a8\u8350&#xff09;<\/h5>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">readonly<\/span> <span class=\"token class-name\">SemaphoreSlim<\/span> _semaphore <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">SemaphoreSlim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9650\u523610\u5e76\u53d1<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">ProcessTasksAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">List<span class=\"token punctuation\">&lt;<\/span>Task<span class=\"token punctuation\">&gt;<\/span><\/span> tasks <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">List<span class=\"token punctuation\">&lt;<\/span>Task<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> item <span class=\"token keyword\">in<\/span> dataList<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> _semaphore<span class=\"token punctuation\">.<\/span><span class=\"token function\">WaitAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span>Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">await<\/span> <span class=\"token function\">ProcessItemAsync<\/span><span class=\"token punctuation\">(<\/span>item<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">finally<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _semaphore<span class=\"token punctuation\">.<\/span><span class=\"token function\">Release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u91ca\u653e\u4fe1\u53f7\u91cf<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">WhenAll<\/span><span class=\"token punctuation\">(<\/span>tasks<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f18\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u7cbe\u786e\u63a7\u5236\u5e76\u53d1\u6570<\/li>\n<li>\u907f\u514d\u7a81\u53d1\u6d41\u91cf\u51b2\u51fb<\/li>\n<li>I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u6700\u4f73\u5b9e\u8df5<\/li>\n<\/ul>\n<p>\u6548\u679c\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u63a7\u5236\u65b9\u5f0f10\u4e07\u4efb\u52a1\u8017\u65f6CPU\u5360\u7528<\/tr>\n<tbody>\n<tr>\n<td>\u65e0\u63a7\u5236<\/td>\n<td>500\u79d2<\/td>\n<td>99%<\/td>\n<\/tr>\n<tr>\n<td>\u4fe1\u53f7\u91cf(10\u5e76\u53d1)<\/td>\n<td>25\u79d2<\/td>\n<td>60%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h5>&#x1f511; \u5173\u952e2&#xff1a;\u7ebf\u7a0b\u6c60\u53c2\u6570\u8c03\u4f18&#xff08;\u8ba1\u7b97\u5bc6\u96c6\u578b&#xff09;<\/h5>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u6700\u5c0f\u7ebf\u7a0b\u6570\u51cf\u5c11\u6392\u961f\u5ef6\u8fdf<\/span><br \/>\nThreadPool<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetMinThreads<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token comment\">\/\/ \u9650\u5236\u6700\u5927\u7ebf\u7a0b\u6570\u9632\u6b62\u8d44\u6e90\u8017\u5c3d<\/span><br \/>\nThreadPool<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetMaxThreads<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8c03\u4f18\u516c\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\u6700\u5c0f\u7ebf\u7a0b\u6570 &#061; CPU\u6838\u5fc3\u6570 \u00d7 2<\/li>\n<li>\u6700\u5927\u7ebf\u7a0b\u6570 &#061; CPU\u6838\u5fc3\u6570 \u00d7 25<\/li>\n<\/ul>\n<p>\u771f\u5b9e\u6848\u4f8b&#xff1a;<\/p>\n<ul>\n<li>8\u6838\u670d\u52a1\u5668&#xff1a;\n<ul>\n<li>SetMinThreads(16,16) \u2192 \u6392\u961f\u5ef6\u8fdf\u964d\u4f4e40%<\/li>\n<li>SetMaxThreads(200,200) \u2192 \u9632\u6b62OOM\u5d29\u6e83<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h5>&#x1f511; \u5173\u952e3&#xff1a;\u4efb\u52a1\u7c7b\u578b\u533a\u5206\u539f\u5219<\/h5>\n<table>\n<tr>\u4efb\u52a1\u7c7b\u578b\u5904\u7406\u7b56\u7565\u4ee3\u7801\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>I\/O\u5bc6\u96c6\u578b<\/td>\n<td>\u4f18\u5148\u7528\u539f\u751f\u5f02\u6b65API<\/td>\n<td>await File.ReadAllTextAsync(&#034;data.txt&#034;)<\/td>\n<\/tr>\n<tr>\n<td>\u8ba1\u7b97\u5bc6\u96c6\u578b<\/td>\n<td>\u7528Task.Run &#043;\u5e76\u53d1\u63a7\u5236<\/td>\n<td>await Task.Run(() &#061;&gt; HeavyCalculation())<\/td>\n<\/tr>\n<tr>\n<td>\u957f\u671f\u8fd0\u884c<\/td>\n<td>\u6307\u5b9aLongRunning<\/td>\n<td>Task.Run(() &#061;&gt; LongRunningTask(), TaskCreationOptions.LongRunning)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&#x1f4a1; \u4e3a\u4ec0\u4e48\u91cd\u8981&#xff1f;<br \/>\nI\/O\u5bc6\u96c6\u578b\u7528Task.Run &#061; \u201c\u7528\u8dd1\u8f66\u9001\u5feb\u9012\u201d&#xff0c;\u539f\u751f\u5f02\u6b65API &#061; \u201c\u7528\u81ea\u884c\u8f66\u9001\u5feb\u9012\u201d&#xff08;\u66f4\u5feb&#xff01;&#xff09;<\/p>\n<hr \/>\n<h4>\u56db\u3001\u5b9e\u6218&#xff1a;\u4ece\u5d29\u6e83\u5230\u91cd\u751f\u2014\u2014\u67d0\u7535\u5546\u7cfb\u7edf\u6848\u4f8b<\/h4>\n<h5>\u95ee\u9898\u63cf\u8ff0&#xff1a;<\/h5>\n<ul>\n<li>\u573a\u666f&#xff1a;\u5927\u4fc3\u671f\u95f4&#xff0c;\u7528\u6237\u4e0b\u5355\u540e\u5361\u987f<\/li>\n<li>\u73b0\u8c61&#xff1a;CPU 99%&#xff0c;\u54cd\u5e94\u5ef6\u8fdf5s&#043;<\/li>\n<li>\u65e5\u5fd7&#xff1a;ThreadPool: Out of threads<\/li>\n<\/ul>\n<h5>\u8bca\u65ad\u8fc7\u7a0b&#xff1a;<\/h5>\n<li>\u7528ThreadPool.GetAvailableThreads()\u68c0\u67e5\u7ebf\u7a0b\u6c60\u72b6\u6001<\/li>\n<li>\u53d1\u73b0AvailableThreads&#061;0&#xff0c;PendingWorkItems&#061;98,765<\/li>\n<li>\u6e90\u7801\u5b9a\u4f4d&#xff1a;<span class=\"token comment\">\/\/ \u95ee\u9898\u4ee3\u7801&#xff1a;\u5faa\u73af\u63d0\u4ea410\u4e07&#043;\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> order <span class=\"token keyword\">in<\/span> orders<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">ProcessOrder<\/span><span class=\"token punctuation\">(<\/span>order<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u65e0\u5e76\u53d1\u63a7\u5236<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<\/li>\n<h5>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/h5>\n<li>\u5f15\u5165\u4fe1\u53f7\u91cf&#xff1a;\u9650\u5236\u5e76\u53d1100<\/li>\n<li>\u79fb\u9664\u963b\u585e\u8c03\u7528&#xff1a;await\u4ee3\u66ff.Result<\/li>\n<li>\u4f18\u5316\u7ebf\u7a0b\u6c60&#xff1a;SetMaxThreads(200,200)<\/li>\n<h5>\u4f18\u5316\u6548\u679c&#xff1a;<\/h5>\n<table>\n<tr>\u6307\u6807\u4f18\u5316\u524d\u4f18\u5316\u540e<\/tr>\n<tbody>\n<tr>\n<td>CPU\u5360\u7528<\/td>\n<td>99%<\/td>\n<td>55%<\/td>\n<\/tr>\n<tr>\n<td>\u5e73\u5747\u54cd\u5e94<\/td>\n<td>5000ms<\/td>\n<td>300ms<\/td>\n<\/tr>\n<tr>\n<td>10\u4e07\u8ba2\u5355\u5904\u7406<\/td>\n<td>500\u79d2<\/td>\n<td>25\u79d2<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u7edf\u5d29\u6e83\u6b21\u6570<\/td>\n<td>12\u6b21\/\u5c0f\u65f6<\/td>\n<td>0\u6b21<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&#x1f4a1; \u6838\u5fc3\u8f6c\u53d8&#xff1a;<br \/>\n\u4ece&#034;\u63d0\u4ea410\u4e07\u4efb\u52a1&#034; \u2192 \u201c\u63a7\u5236100\u5e76\u53d1\u4efb\u52a1\u201d<\/p>\n<hr \/>\n<h4>\u4e94\u3001\u907f\u5751\u6307\u5357&#xff1a;99%\u7684\u56e2\u961f\u8e29\u8fc7\u7684\u96f7<\/h4>\n<h5>\u274c \u96f7\u533a1&#xff1a;\u5faa\u73af\u63d0\u4ea4\u6d77\u91cf\u4efb\u52a1&#xff08;\u7ec8\u6781\u9677\u9631&#xff09;<\/h5>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef&#xff01;10\u4e07\u4efb\u52a1\u77ac\u95f4\u8017\u5c3d\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">100000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* \u4e1a\u52a1\u903b\u8f91 *\/<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6b63\u786e\u505a\u6cd5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u7528\u4fe1\u53f7\u91cf\u6216\u5206\u6279\u5904\u7406<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> semaphore <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">SemaphoreSlim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> tasks <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">List<span class=\"token punctuation\">&lt;<\/span>Task<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> item <span class=\"token keyword\">in<\/span> items<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> semaphore<span class=\"token punctuation\">.<\/span><span class=\"token function\">WaitAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span>Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* \u4e1a\u52a1\u903b\u8f91 *\/<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span> semaphore<span class=\"token punctuation\">.<\/span><span class=\"token function\">Release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">await<\/span> Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">WhenAll<\/span><span class=\"token punctuation\">(<\/span>tasks<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u274c \u96f7\u533a2&#xff1a;\u5728\u5f02\u6b65\u65b9\u6cd5\u4e2d\u4f7f\u7528.Result<\/h5>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef&#xff01;\u6b7b\u9501&#043;\u7ebf\u7a0b\u9965\u997f<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetOrderData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">GetOrderDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>Result<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4e25\u7981&#xff01;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6b63\u786e\u505a\u6cd5&#xff1a;<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">GetOrderDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">GetOrderDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7528await<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u274c \u96f7\u533a3&#xff1a;\u5ffd\u7565\u4efb\u52a1\u7c7b\u578b\u533a\u5206<\/h5>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef&#xff01;I\/O\u64cd\u4f5c\u7528Task.Run<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">ProcessFileAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u65e0\u9700Task.Run&#xff01;<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> content <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> File<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAllTextAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;file.txt&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6b63\u786e\u505a\u6cd5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u76f4\u63a5\u7528\u539f\u751f\u5f02\u6b65API<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">ProcessFileAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> content <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> File<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAllTextAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;file.txt&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u65e0Task.Run<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>\u516d\u3001\u9ad8\u7ea7\u6280\u5de7&#xff1a;\u8ba9\u7ebf\u7a0b\u7ba1\u7406&#034;\u66f4\u806a\u660e&#034;<\/h4>\n<h5>\u6280\u5de71&#xff1a;\u52a8\u6001\u7ebf\u7a0b\u6c60\u8c03\u6574<\/h5>\n<p><span class=\"token comment\">\/\/ \u6839\u636e\u8d1f\u8f7d\u52a8\u6001\u8c03\u6574\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentLoad <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">80<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ThreadPool<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetMaxThreads<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">300<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7a81\u53d1\u6d41\u91cf\u6269\u5bb9<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ThreadPool<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetMaxThreads<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6062\u590d\u9ed8\u8ba4<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u6280\u5de72&#xff1a;\u76d1\u63a7\u7ebf\u7a0b\u6c60\u72b6\u6001<\/h5>\n<p><span class=\"token comment\">\/\/ \u5b9e\u65f6\u76d1\u63a7\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> availableThreads<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> workItems<span class=\"token punctuation\">;<\/span><br \/>\nThreadPool<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetAvailableThreads<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">out<\/span> availableThreads<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">out<\/span> workItems<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u53ef\u7528\u7ebf\u7a0b: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">availableThreads<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">, \u5f85\u5904\u7406\u4efb\u52a1: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">workItems<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f53workItems &gt; 1000&#xff0c;\u89e6\u53d1\u544a\u8b66<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>workItems <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">SendAlert<\/span><span class=\"token punctuation\">(<\/span><span 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