{"id":36043,"date":"2026-09-10T16:29:13","date_gmt":"2026-09-10T08:29:13","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/why-disk-i-o-on-a-server-suddenly-spikes-to-100\/"},"modified":"2026-09-10T16:34:57","modified_gmt":"2026-09-10T08:34:57","slug":"why-disk-i-o-on-a-server-suddenly-spikes-to-100","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/why-disk-i-o-on-a-server-suddenly-spikes-to-100\/","title":{"rendered":"\u70ba\u4ec0\u9ebc\u4f3a\u670d\u5668\u78c1\u789f I\/O \u6703\u7a81\u7136\u98c6\u5347\u5230 100%"},"content":{"rendered":"\n

\u4f3a\u670d\u5668\u78c1\u789f I\/O \u7a81\u7136\u98c6\u5347\u5230 100%\uff0c\u5e7e\u4e4e\u7e3d\u662f\u7531\u80cc\u666f\u5de5\u4f5c\u6216\u6392\u7a0b\u670d\u52d9\u5f15\u8d77\uff0c\u771f\u6b63\u7531\u786c\u9ad4\u6545\u969c\u76f4\u63a5\u5c0e\u81f4\u9019\u7a2e\u60c5\u6cc1\u7684\u53cd\u800c\u4e26\u4e0d\u5e38\u898b\u3002\u5f88\u591a\u4f7f\u7528\u8005\u90fd\u6703\u5728\u6c92\u6709\u660e\u986f\u539f\u56e0\u7684\u60c5\u6cc1\u4e0b\u9047\u5230\u78c1\u789f\u4f7f\u7528\u7387<\/a> 100% \u7684\u554f\u984c\u3002\u800c\u4e00\u65e6\u78c1\u789f\u9577\u6642\u9593\u8655\u65bc 100% \u4f7f\u7528\u72c0\u614b\uff0c\u7cfb\u7d71\u6548\u80fd\u5c31\u6703\u53d7\u5230\u56b4\u91cd\u62d6\u7d2f\u3002\u8981\u8a3a\u65b7\u9019\u7a2e 100% \u78c1\u789f\u5360\u7528\uff0c\u95dc\u9375\u5728\u65bc\u76e1\u5feb\u5b9a\u4f4d\u5230\u7570\u5e38\u7a0b\u5e8f\u3002\u9762\u5c0d\u5982\u6b64\u9ad8\u7684\u78c1\u789f\u4f7f\u7528\u4e8b\u4ef6\uff0c\u63a1\u7528\u7cfb\u7d71\u5316\u7684\u6392\u67e5\u65b9\u5f0f\u5c24\u70ba\u91cd\u8981\u3002\u7406\u89e3\u9ad8\u78c1\u789f I\/O \u8207\u9ad8\u78c1\u789f\u5360\u7528\u7684\u4f86\u6e90\uff0c\u6709\u52a9\u65bc\u66f4\u9ad8\u6548\u5730\u89e3\u6c7a\u554f\u984c\u3002\u53ea\u8981\u65b9\u6cd5\u6b63\u78ba\uff0c\u8655\u7406 100% \u78c1\u789f\u4f7f\u7528\u7387\u7684\u554f\u984c\u5176\u5be6\u4e26\u4e0d\u8907\u96dc\u3002\u9019\u985e\u554f\u984c\u96d6\u7136\u5e38\u898b\uff0c\u4f46\u901a\u5e38\u4e5f\u6709\u76f8\u5c0d\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6cd5<\/a>\u3002<\/p>\n

\u7576\u4f3a\u670d\u5668\u7a81\u7136\u98c6\u5230 100% \u6642\u6703\u767c\u751f\u4ec0\u9ebc<\/h2>\n

\u4e00\u500b\u771f\u5be6\u7684\u78c1\u789f\u98c6\u5347\u5834\u666f<\/h3>\n

\u8a2d\u60f3\u9019\u6a23\u4e00\u500b\u5178\u578b\u5de5\u4f5c\u65e5\u4e2d\u7684 Windows \u4f3a\u670d\u5668\u5834\u666f\uff1a\u7ba1\u7406\u54e1\u9ede\u64ca\u300c\u958b\u59cb\u300d\u529f\u80fd\u8868\uff0c\u5e7e\u79d2\u9418\u5167\u537b\u6c92\u6709\u4efb\u4f55\u53cd\u61c9\uff1b\u62d6\u66f3\u8996\u7a97\u6642\uff0c\u87a2\u5e55\u4e0a\u6703\u7559\u4e0b\u5927\u7247\u767d\u8272\u6b98\u5f71\uff1b\u5728 Chrome \u9801\u9762\u4e2d\u6372\u52d5\u6642\uff0c\u756b\u9762\u4e00\u5361\u4e00\u5361\u7684\u3002\u6253\u958b\u5de5\u4f5c\u7ba1\u7406\u54e1\u5f8c\uff0c\u554f\u984c\u6839\u6e90\u5c31\u986f\u73fe\u51fa\u4f86\u4e86\uff1a\u78c1\u789f\u6d3b\u52d5\u59cb\u7d42\u88ab\u91d8\u5728 100%\u3002<\/p>\n

\u8b93\u8a31\u591a\u7ba1\u7406\u54e1\u611f\u5230\u610f\u5916\u7684\u662f\uff0c\u6b64\u6642\u7684\u8cc7\u6599\u50b3\u8f38\u901f\u7387\u53ef\u80fd\u4e26\u4e0d\u9ad8\uff0c\u78c1\u789f\u6d3b\u52d5\u751a\u81f3\u53ea\u6709 5 MB\/s\u3002\u9019\u500b\u6578\u503c\u770b\u8d77\u4f86\u4f3c\u4e4e\u4e0d\u53ef\u80fd\u4ee3\u8868\u300c\u5b8c\u5168\u5360\u6eff\u300d\u3002\u4f46\u4e8b\u5be6\u4e0a\uff0c\u78c1\u789f\u5c31\u662f\u5df2\u7d93\u88ab\u5fb9\u5e95\u6253\u6eff\u4e86\u3002\u539f\u56e0\u5728\u65bc\uff0c\u78c1\u789f\u662f\u5426\u6eff\u8f09\uff0c\u4e0d\u53ea\u53d6\u6c7a\u65bc\u541e\u5410\u91cf\uff0c\u9084\u53d6\u6c7a\u65bc\u5b83\u8655\u7406\u5927\u91cf\u96f6\u788e\u64cd\u4f5c\u7684\u80fd\u529b\u3002<\/p>\n

\u9019\u4e5f\u89e3\u91cb\u4e86\u70ba\u4ec0\u9ebc\u6709\u6642\u6703\u51fa\u73fe 100% \u78c1\u789f\u4f7f\u7528\u7387\uff0c\u537b\u770b\u4e0d\u5230\u67d0\u4e00\u500b\u7279\u5225\u660e\u986f\u7684\u5927\u578b\u7a0b\u5f0f\u5728\u760b\u72c2\u8b80\u5beb\u3002\u5927\u91cf\u7d30\u5c0f\u6a94\u6848\u8acb\u6c42\u6240\u5f15\u767c\u7684\u9ad8\u78c1\u789f\u4f7f\u7528\uff0c\u5b8c\u5168\u53ef\u80fd\u5728\u6c92\u6709\u660e\u986f\u9810\u8b66\u7684\u60c5\u6cc1\u4e0b\uff0c\u628a\u78c1\u789f\u77ac\u9593\u63a8\u5230 100%\u3002<\/p>\n

\u4e0d\u53ea\u662f\u78c1\u789f\u8b8a\u6162\u9019\u9ebc\u7c21\u55ae<\/h3>\n

100% \u7684\u78c1\u789f\u4f7f\u7528\u7387\u5e36\u4f86\u7684\u554f\u984c\u9060\u4e0d\u53ea\u662f\u300c\u56de\u61c9\u8b8a\u6162\u300d\u3002\u61c9\u7528\u7a0b\u5f0f\u53ef\u80fd\u6703\u5b8c\u5168\u5361\u6b7b\uff0c\u4f7f\u7528\u8005\u6703\u770b\u5230\u65cb\u8f49\u6e38\u6a19\uff0c\u6216\u8005\u983b\u7e41\u51fa\u73fe\u300c\u6c92\u6709\u56de\u61c9\u300d\u63d0\u793a\u3002\u4f5c\u696d\u7cfb\u7d71\u5728\u8b80\u53d6\u6216\u5beb\u5165\u8cc7\u6599\u6642\u6703\u8b8a\u5f97\u7570\u5e38\u5403\u529b\u3002\u8207\u6b64\u540c\u6642\uff0cCPU \u4f7f\u7528\u7387\u4e5f\u53ef\u80fd\u8ddf\u8457\u4e0a\u5347\u3002\u5728\u9ad8\u78c1\u789f\u4f7f\u7528\u5834\u666f\u4e0b\uff0c\u8a31\u591a\u7a0b\u5e8f\u6703\u56e0\u70ba\u7b49\u5f85\u78c1\u789f I\/O \u800c\u963b\u585e\uff0c\u9032\u4e00\u6b65\u62d6\u7d2f\u5176\u4ed6\u7cfb\u7d71\u8cc7\u6e90\u3002\u65bc\u662f\uff0c\u5373\u4fbf\u8655\u7406\u5668\u672c\u8eab\u9084\u6709\u9918\u529b\uff0c\u6574\u53f0\u4f3a\u670d\u5668\u770b\u8d77\u4f86\u4e5f\u50cf\u662f\u5df2\u7d93\u8d85\u8ca0\u8377\u904b\u4f5c\u3002\u9019\u7a2e\u73fe\u8c61\u5e38\u5e38\u6703\u8b93\u7ba1\u7406\u54e1\u5728\u6392\u969c\u6642\u7522\u751f\u8aa4\u5224\u3002<\/p>\n

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\u9ad8\u78c1\u789f I\/O \u7684\u5e38\u898b\u539f\u56e0<\/h2>\n

\u6392\u7a0b\u5de5\u4f5c\u8207\u80cc\u666f\u670d\u52d9<\/h3>\n

Sysmain\uff08\u820a\u7a31 Superfetch\uff09\u5728 Windows \u7cfb\u7d71\u4e2d\u4e00\u76f4\u662f\u6700\u5e38\u898b\u7684\u300c\u5acc\u7591\u5c0d\u8c61\u300d\u4e4b\u4e00\u3002\u9019\u500b\u670d\u52d9\u6703\u63d0\u524d\u628a\u786c\u789f\u4e2d\u7684\u8cc7\u6599\u9810\u8f09\u5230\u8a18\u61b6\u9ad4\u4e2d\u3002\u6b63\u56e0\u70ba\u9019\u7a2e\u9810\u5148\u8f09\u5165\u6a5f\u5236\uff0c\u7cfb\u7d71\u958b\u6a5f\u6642\u53ef\u80fd\u6703\u8b8a\u5f97\u9072\u7de9\uff0c\u800c\u4e14\u5728\u958b\u6a5f\u5f8c\u7684\u5e7e\u5206\u9418\u5167\uff0c100% \u7684\u78c1\u789f\u4f7f\u7528\u7387\u4ecd\u53ef\u80fd\u6301\u7e8c\u5b58\u5728\u3002Superfetch \u5feb\u53d6\u672c\u8eab\u5176\u5be6\u5f88\u5c0f\uff0c\u5176\u7522\u751f\u7684\u5beb\u5165\u91cf\u751a\u81f3\u6bd4\u5e7e\u5206\u9418\u7684\u7db2\u9801\u700f\u89bd\u9084\u5c11\u3002\u5b83\u4e26\u4e0d\u6703\u771f\u6b63\u6d88\u9664\u8f09\u5165\u5e36\u4f86\u7684\u5ef6\u9072\uff0c\u800c\u662f\u628a\u539f\u672c\u4f7f\u7528\u8005\u555f\u52d5\u61c9\u7528\u7a0b\u5f0f\u6642\u9047\u5230\u7684\u7b49\u5f85\uff0c\u63d0\u524d\u8f49\u79fb\u5230\u7cfb\u7d71\u555f\u52d5\u968e\u6bb5\u3002\u5c0d\u65bc\u539f\u672c\u5c31\u5f88\u5feb\u7684 SSD \u800c\u8a00\uff0c\u9019\u985e\u6700\u4f73\u5316\u5e36\u4f86\u7684\u6548\u80fd\u6536\u76ca\u5f80\u5f80\u4e26\u4e0d\u660e\u986f\u3002\u95dc\u9589 SysMain \u9084\u53ef\u4ee5\u7bc0\u7701\u4e00\u90e8\u5206 RAM \u548c CPU \u8cc7\u6e90\u3002\u7ba1\u7406\u54e1\u6700\u597d\u5728\u958b\u555f\u548c\u95dc\u9589 SysMain \u5169\u7a2e\u72c0\u614b\u4e0b\u5206\u5225\u6e2c\u8a66\uff1b\u5982\u679c\u770b\u4e0d\u51fa\u5dee\u7570\uff0c\u5c31\u53ef\u4ee5\u8003\u616e\u5c07\u5176\u505c\u7528\u3002<\/p>\n

\u4e00\u4efd\u95dc\u65bc Windows Server 2012 Essentials \u9ad8\u78c1\u789f I\/O \u7684\u6392\u969c\u5831\u544a\u6307\u51fa\uff0c\u6392\u7a0b\u5de5\u4f5c ProgramDataUpdater \u5f88\u53ef\u80fd\u5c31\u662f\u554f\u984c\u6839\u6e90\u3002\u9019\u500b\u5de5\u4f5c\u4f4d\u65bc Task Scheduler \u4e0b\u7684\u8def\u5f91\uff1aTask Scheduler Library\u3001Microsoft\u3001Windows\u3001Application Experience\u3002\u4f5c\u8005\u767c\u73fe\u8a72\u5de5\u4f5c\u9577\u671f\u8655\u65bc\u57f7\u884c\u72c0\u614b\uff0c\u4e26\u6301\u7e8c\u5360\u7528\u8d85\u904e 30% \u7684 CPU\u3002\u5b83\u8207 rundll32 \u57f7\u884c aepdu.dll,AePduRunUpdate \u6709\u95dc\u3002\u505c\u7528\u9019\u500b\u5de5\u4f5c\u5f8c\uff0c\u9ad8\u78c1\u789f I\/O \u554f\u984c\u4fbf\u5f97\u5230\u4e86\u89e3\u6c7a\u3002<\/p>\n

SQL server \u7684\u5099\u4efd\u6392\u7a0b\u540c\u6a23\u6703\u5e36\u4f86\u7a81\u767c\u6027\u7684\u56b4\u91cd\u78c1\u789f I\/O\uff0c\u5373\u4f7f\u662f\u5728\u9031\u672b\u3001\u696d\u52d9\u8ca0\u8f09\u5f88\u4f4e\u7684\u6642\u5019\u4e5f\u662f\u5982\u6b64\u3002\u5099\u4efd\u5de5\u4f5c\u9700\u8981\u8b80\u53d6\u548c\u5beb\u5165\u5927\u91cf\u8cc7\u6599\uff0c\u5728\u4f7f\u7528\u8005\u4ee5\u70ba\u4f3a\u670d\u5668\u300c\u5f88\u7a7a\u9592\u300d\u7684\u6642\u6bb5\uff0c\u5b83\u4f9d\u7136\u53ef\u80fd\u628a\u78c1\u789f\u5fb9\u5e95\u6253\u6eff\u3002<\/p>\n

\u5931\u63a7\u7a0b\u5e8f\u8207 100% \u78c1\u789f\u4f7f\u7528\u7387<\/h3>\n

100% \u7684\u78c1\u789f\u4f7f\u7528\u7387\u901a\u5e38\u610f\u5473\u8457\u6709\u67d0\u500b\u80cc\u666f\u7a0b\u5e8f\u5728\u6301\u7e8c\u5360\u7528\u8cc7\u6e90\u3002\u6700\u8fd1\u5b89\u88dd\u7684\u8edf\u9ad4\u53ef\u80fd\u6703\u900f\u904e\u65b0\u589e\u555f\u52d5\u9805\u76ee\u6216\u89f8\u767c\u5927\u91cf\u80cc\u666f\u61c9\u7528\u7a0b\u5f0f\u6d3b\u52d5\uff0c\u4f7f\u7cfb\u7d71\u8ca0\u8f09\u9a5f\u589e\u3002\u60e1\u610f\u8edf\u9ad4\u6216\u75c5\u6bd2\u5247\u6703\u4ee5\u96b1\u85cf\u80cc\u666f\u7a0b\u5e8f\u7684\u65b9\u5f0f\u6301\u7e8c\u6d88\u8017\u78c1\u789f\u8cc7\u6e90\uff0c\u8b93\u78c1\u789f\u59cb\u7d42\u7dad\u6301\u5728 100% \u5360\u7528\u72c0\u614b\u3002\u9019\u4e9b\u96b1\u85cf\u7a0b\u5e8f\u8207\u984d\u5916\u7684\u555f\u52d5\u8ca0\u8f09\uff0c\u6703\u963b\u7919\u78c1\u789f\u9ad8\u6548\u8655\u7406\u8b80\u5beb\u8acb\u6c42\uff0c\u6700\u7d42\u8868\u73fe\u70ba\u7cfb\u7d71\u7de9\u6162\u3001\u6c92\u6709\u56de\u61c9\uff0c\u751a\u81f3\u983b\u7e41\u7576\u6a5f\u3002\u8981\u6aa2\u67e5\u9019\u985e\u5a01\u8105\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5f9e\u300c\u8a2d\u5b9a\u300d\u4e2d\u6253\u958b Windows Security\uff0c\u9032\u5165 Virus and threat protection\uff0c\u57f7\u884c Quick scan \u6216 Full scan\uff0c\u5141\u8a31\u7cfb\u7d71\u79fb\u9664\u5075\u6e2c\u5230\u7684\u5a01\u8105\uff0c\u7136\u5f8c\u91cd\u65b0\u555f\u52d5\u96fb\u8166\u3002<\/p>\n

\u5728 Windows Server 2012 Essentials \u4e0a\u4f7f\u7528\u6d88\u8cbb\u7d1a\u786c\u789f\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u9ad8\u78c1\u789f I\/O\uff0c\u4e26\u9032\u4e00\u6b65\u63a8\u9ad8 CPU \u4f7f\u7528\u7387\u3002\u9019\u985e\u786c\u789f\u5728\u8010\u7528\u6027\u548c\u97cc\u9ad4\u8abf\u6821\u65b9\u9762\u90fd\u7121\u6cd5\u8207\u4f3a\u670d\u5668\u7d1a\u786c\u9ad4\u76f8\u6bd4\u3002\u82e5\u786c\u789f\u672c\u8eab\u5df2\u7d93\u8655\u65bc\u6545\u969c\u908a\u7de3\uff0c\u5728 CPU \u8ca0\u8f09\u4e0a\u5347\u6642\uff0c\u5c31\u53ef\u80fd\u540c\u6642\u628a CPU \u548c\u78c1\u789f\u5360\u7528\u4e00\u8d77\u62c9\u5230 100%\u3002<\/p>\n

\u5982\u4f55\u8a3a\u65b7\u4f3a\u670d\u5668\u4e0a\u7684\u9ad8\u78c1\u789f\u4f7f\u7528\u7387<\/h2>\n

\u7528 Resource Monitor \u5feb\u901f\u9396\u5b9a\u5143\u5147<\/h3>\n

\u5728\u78c1\u789f\u5360\u7528\u7a81\u7136\u98c6\u5347\u6642\uff0cResource Monitor \u5f80\u5f80\u662f\u6700\u5feb\u627e\u51fa\u7570\u5e38\u7a0b\u5e8f\u7684\u5de5\u5177\u3002\u7ba1\u7406\u54e1\u53ef\u4ee5\u900f\u904e\u958b\u59cb\u529f\u80fd\u8868\uff0c\u6216\u8005\u5f9e\u5de5\u4f5c\u7ba1\u7406\u54e1\u7684\u6548\u80fd\u6a19\u7c64\u9801\u4e2d\u9078\u64c7 Open Resource Monitor \u4f86\u555f\u52d5\u5b83\u3002\u9032\u5165 Disk \u6a19\u7c64\u9801\u5f8c\uff0c\u5c31\u80fd\u770b\u5230\u6240\u6709\u6b63\u5728\u5b58\u53d6\u5132\u5b58\u88dd\u7f6e\u7684\u7a0b\u5e8f\u3002<\/p>\n

    \n
  1. \n

    \u5207\u63db\u5230 Resource Monitor \u7684 Disk \u6a19\u7c64\u9801\u3002<\/p>\n<\/li>\n

  2. \n

    \u5728 Processes with Disk Activity \u5340\u57df\uff0c\u6309 Total (B\/sec) \u5c0d\u689d\u76ee\u6392\u5e8f\uff0c\u627e\u51fa\u78c1\u789f I\/O \u6700\u9ad8\u7684\u7a0b\u5e8f\u3002<\/p>\n<\/li>\n

  3. \n

    \u67e5\u770b Read (B\/sec) \u548c Write (B\/sec)\uff0c\u5224\u65b7\u76ee\u524d\u6d3b\u52d5\u4ee5\u8b80\u53d6\u70ba\u4e3b\u9084\u662f\u4ee5\u5beb\u5165\u70ba\u4e3b\u3002<\/p>\n<\/li>\n

  4. \n

    \u7d50\u5408 Response Time (ms) \u8207 Disk Queue Length\uff0c\u78ba\u8a8d\u76ee\u524d\u89c0\u5bdf\u5230\u7684\u7b49\u5f85\u662f\u5426\u4e3b\u8981\u7531\u5132\u5b58\u5ef6\u9072\u9020\u6210\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u5982\u679c\u67d0\u500b\u7a0b\u5e8f\u986f\u793a\u51fa\u5f88\u9ad8\u7684\u8b80\u5beb\u901f\u7387\uff0c\u540c\u6642\u9084\u4f34\u96a8\u8457\u8f03\u9577\u7684\u4f47\u5217\u9577\u5ea6\uff0c\u90a3\u9ebc\u5b83\u901a\u5e38\u5c31\u662f\u5c0e\u81f4 100% \u78c1\u789f\u4f7f\u7528\u7387\u7684\u76f4\u63a5\u539f\u56e0\u3002\u7ba1\u7406\u54e1\u5728\u9019\u4e00\u6b65\u4e5f\u61c9\u9806\u624b\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u60e1\u610f\u8edf\u9ad4\uff0c\u56e0\u70ba\u96b1\u85cf\u7a0b\u5f0f\u5f80\u5f80\u6703\u88fd\u9020\u6301\u7e8c\u4e0d\u65b7\u7684\u5132\u5b58\u6d41\u91cf\u3002\u900f\u904e Windows Security \u5148\u505a\u4e00\u6b21\u5feb\u901f\u6383\u63cf\uff0c\u53ef\u4ee5\u5728\u9032\u5165\u66f4\u6df1\u5c64\u6392\u67e5\u4e4b\u524d\u5148\u6392\u9664\u9019\u4e00\u985e\u53ef\u80fd\u6027\u3002<\/p>\n

    \u501f\u52a9 Process Explorer \u9032\u4e00\u6b65\u6df1\u6316<\/h3>\n

    Process Explorer \u80fd\u63d0\u4f9b\u6bd4 Resource Monitor \u66f4\u7d30\u7dfb\u7684\u89c0\u5bdf\u8996\u89d2\u3002\u8a72\u5de5\u5177\u6703\u5217\u51fa\u6bcf\u500b\u7a0b\u5e8f\u7684 I\/O read bytes \u548c I\/O write bytes\u3002\u7ba1\u7406\u54e1\u53ef\u4ee5\u96d9\u64ca\u53ef\u7591\u7a0b\u5e8f\uff0c\u4e26\u9032\u4e00\u6b65\u6aa2\u67e5\u5176\u57f7\u884c\u7dd2\u5806\u758a\u3002\u900f\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u53ef\u4ee5\u770b\u6e05\u7a76\u7adf\u662f\u54ea\u4e9b\u57f7\u884c\u7dd2\u5728\u767c\u8d77\u5132\u5b58\u8acb\u6c42\uff0c\u4ee5\u53ca\u9019\u4e9b\u8acb\u6c42\u5230\u5e95\u4f86\u81ea\u9a45\u52d5\u5c64\u9084\u662f\u4f7f\u7528\u8005\u6a21\u5f0f\u5143\u4ef6\u3002<\/p>\n

    I\/O wait \u95be\u503c\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406\u54e1\u5224\u65b7\u5132\u5b58\u5ef6\u9072\u662f\u5426\u5df2\u7d93\u958b\u59cb\u660e\u986f\u62d6\u7d2f\u7cfb\u7d71\u6548\u80fd\u3002\u6839\u64da Scout APM \u7684\u8aaa\u6cd5\uff0c\u53ef\u4ee5\u5c07 I\/O wait \u767e\u5206\u6bd4\u8207 CPU \u6838\u5fc3\u6578\u5012\u6578\u9032\u884c\u6bd4\u8f03\u3002\u5982\u679c\u6301\u7e8c\u7684 I\/O wait \u9ad8\u65bc\u6216\u7b49\u65bc\u8a72\u6578\u503c\uff0c\u5c31\u8868\u793a CPU \u6b63\u5728\u82b1\u8cbb\u76f8\u7576\u591a\u7684\u6642\u9593\u7b49\u5f85\u5132\u5b58\u5b50\u7cfb\u7d71\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u610f\u5473\u8457\u6548\u80fd\u5df2\u7d93\u53d7\u5230\u5f71\u97ff\uff0c\u4e5f\u8aaa\u660e\u9700\u8981\u9032\u4e00\u6b65\u8abf\u6821\u4ee5\u964d\u4f4e\u78c1\u789f\u4f7f\u7528\u58d3\u529b\u3002\u9019\u985e\u554f\u984c\u901a\u5e38\u4e0d\u80fd\u55ae\u7d14\u6b78\u548e\u65bc\u60e1\u610f\u8edf\u9ad4\uff0c\u56e0\u6b64\u7ba1\u7406\u54e1\u61c9\u628a\u6bcf\u4e00\u9805\u767c\u73fe\u90fd\u8996\u70ba\u6574\u9ad4\u554f\u984c\u5716\u50cf\u4e2d\u7684\u4e00\u500b\u7dda\u7d22\uff0c\u800c\u4e0d\u662f\u552f\u4e00\u7d50\u8ad6\u3002<\/p>\n

    \u4fee\u5fa9\u78c1\u789f\u98c6\u5347\u4e26\u9632\u6b62\u518d\u6b21\u767c\u751f<\/h2>\n

    \u505c\u7528\u6216\u91cd\u65b0\u5b89\u6392\u554f\u984c\u5de5\u4f5c<\/h3>\n

    \u4fee\u5fa9\u65b9\u5f0f\u53d6\u6c7a\u65bc\u6839\u56e0\u3002\u5982\u679c\u662f Sysmain \u5c0e\u81f4\u78c1\u789f\u98c6\u5230 100%\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u900f\u904e Services.msc \u505c\u7528\u8a72\u670d\u52d9\uff0c\u7136\u5f8c\u91cd\u65b0\u555f\u52d5\u7cfb\u7d71\u3002SQL backups \u5247\u9700\u8981\u91cd\u65b0\u5b89\u6392\u57f7\u884c\u6642\u9593\u3002\u628a\u9019\u4e9b\u5de5\u4f5c\u79fb\u5230\u696d\u52d9\u96e2\u5cf0\u6642\u6bb5\uff0c\u53ef\u4ee5\u907f\u514d\u5927\u898f\u6a21\u8b80\u5beb\u5728\u8fa6\u516c\u6642\u6bb5\u885d\u64ca\u78c1\u789f\u3002\u5c0d\u65bc Windows Server 2012 Essentials\uff0c\u6d88\u8cbb\u7d1a\u786c\u789f\u61c9\u76e1\u91cf\u66f4\u63db\u70ba\u4f3a\u670d\u5668\u7d1a\u786c\u9ad4\u3002\u4f01\u696d\u7d1a\u78c1\u789f\u5728\u8655\u7406\u96a8\u6a5f\u8acb\u6c42\u65b9\u9762\u80fd\u529b\u66f4\u5f37\uff0c\u4e5f\u66f4\u9069\u5408\u627f\u53d7\u6301\u7e8c\u8ca0\u8f09\u3002\u6280\u8853\u4eba\u54e1\u9084\u61c9\u57f7\u884c\u60e1\u610f\u8edf\u9ad4\u8207\u75c5\u6bd2\u6383\u63cf\uff0c\u4e26\u5728\u767c\u73fe\u75c5\u6bd2\u5f8c\u53ca\u6642\u79fb\u9664\u5b83\u5011\uff0c\u9632\u6b62\u540c\u6a23\u7684\u8ca0\u8f09\u518d\u6b21\u5f62\u6210\u3002\u5b9a\u671f\u6e05\u7406\u4e5f\u540c\u6a23\u91cd\u8981\u3002\u4f7f\u7528\u8005\u53ef\u4ee5\u522a\u9664\u66ab\u5b58\u6a94\u3001\u522a\u9664\u5b89\u88dd\u7a0b\u5f0f\u6b98\u7559\u7684\u66ab\u5b58\u6a94\uff0c\u4e26\u522a\u9664\u700f\u89bd\u5668\u5feb\u53d6\u4e2d\u4e0d\u65b7\u7d2f\u7a4d\u7684\u66ab\u5b58\u6a94\u3002\u9019\u4e9b\u505a\u6cd5\u6709\u52a9\u65bc\u6e1b\u5c11\u5927\u91cf\u5c0f\u6a94\u6848\u5e36\u4f86\u7684\u96f6\u788e I\/O \u6d41\u91cf\uff0c\u907f\u514d\u78c1\u789f\u5728\u5f88\u4f4e\u541e\u5410\u91cf\u4e0b\u5c31\u88ab\u6253\u6eff\u3002<\/p>\n

    \u6700\u4f73\u5316\u670d\u52d9\u4e26\u5efa\u7acb\u8b66\u793a\u6a5f\u5236<\/h3>\n

    \u5728\u554f\u984c\u518d\u6b21\u51fa\u73fe\u4e4b\u524d\uff0c\u5148\u505a\u597d\u5132\u5b58\u8abf\u6821\uff0c\u80fd\u986f\u8457\u964d\u4f4e\u7cfb\u7d71\u58d3\u529b\u3002\u7ba1\u7406\u54e1\u61c9\u70ba\u4f5c\u696d\u7cfb\u7d71\u548c\u61c9\u7528\u8cc7\u6599\u90e8\u7f72 SSD \u6216 NVMe \u5132\u5b58\uff1b\u7576 HDD \u51fa\u73fe\u788e\u7247\u554f\u984c\u6642\uff0c\u57f7\u884c\u7cfb\u7d71\u5167\u5efa\u7684 defragmentation \u5de5\u5177\uff1b\u4e26\u5c07\u4f5c\u696d\u7cfb\u7d71\u3001\u61c9\u7528\u7a0b\u5f0f\u8207\u8cc7\u6599\u8ca0\u8f09\u5206\u6563\u5230\u4e0d\u540c\u7684\u5be6\u9ad4\u78c1\u789f\u4e0a\u3002\u9632\u6bd2\u6383\u63cf\u61c9\u5b89\u6392\u5728\u696d\u52d9\u96e2\u5cf0\u6642\u6bb5\u57f7\u884c\uff0c\u540c\u6642\u5408\u7406\u8a2d\u5b9a\u6392\u9664\u6e05\u55ae\u3002\u70ba\u5de5\u4f5c\u8ca0\u8f09\u63d0\u4f9b\u5145\u8db3\u8a18\u61b6\u9ad4\u53ef\u4ee5\u6e1b\u5c11\u5206\u9801\uff1b\u82e5\u80fd\u628a page file \u7368\u7acb\u653e\u5728\u5177\u5099\u5bb9\u932f\u80fd\u529b\u7684\u5c08\u7528\u88dd\u7f6e\u4e0a\uff0c\u4e5f\u80fd\u907f\u514d\u5206\u9801\u6d41\u91cf\u8207\u983b\u7e41\u5b58\u53d6\u7684\u6a94\u6848\u722d\u6436\u540c\u4e00\u5132\u5b58\u8def\u5f91\u3002\u66f4\u9ad8\u8f49\u901f\u7684\u786c\u789f\u53ef\u4ee5\u7e2e\u77ed\u96a8\u6a5f\u8acb\u6c42\u7684\u8655\u7406\u6642\u9593\uff0c\u800c 2.5-inch enterprise-class disks \u5728\u96a8\u6a5f\u8acb\u6c42\u8655\u7406\u80fd\u529b\u4e0a\u901a\u5e38\u512a\u65bc\u540c\u7b49\u7d1a\u7684 3.5-inch drives\u3002\u5c07\u8a8d\u8b49\u904e\u7684\u4ecb\u9762\u5361\u5b89\u88dd\u5728 PCIe x8 \u6216\u66f4\u9ad8\u63d2\u69fd\u4e2d\uff0c\u53ef\u4ee5\u907f\u514d\u532f\u6d41\u6392\u74f6\u9838\uff1b\u555f\u7528 Receive Side Scaling\u3001MSI-X \u548c Numa I\/O \u5247\u6709\u52a9\u65bc\u964d\u4f4e CPU \u8ca0\u8f09\u3002<\/p>\n

    \u76e3\u63a7\u6a5f\u5236\u5247\u662f\u6574\u500b\u9589\u74b0\u4e2d\u7684\u6700\u5f8c\u4e00\u6b65\u3002\u8b66\u793a\u61c9\u5728\u5229\u7528\u7387\u771f\u6b63\u9054\u5230\u4e0a\u9650\u4e4b\u524d\u89f8\u767c\uff0c\u800c\u4e0b\u8868\u66f4\u9069\u5408\u4f5c\u70ba\u5de5\u7a0b\u4e0a\u7684\u8d77\u9ede\u53c3\u8003\uff0c\u800c\u975e\u4e0d\u53ef\u66f4\u6539\u7684\u56fa\u5b9a\u898f\u5247\u3002<\/p>\n

    \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
    \n

    \u8a0a\u865f<\/p>\n<\/th>\n

    		\n

    \u539f\u56e0\u8aaa\u660e<\/p>\n<\/th>\n<\/tr>\n

    \n

    \u4e3b\u6a5f CPU \u504f\u9ad8<\/p>\n<\/td>\n

    		\n

    \u53ef\u5ffd\u7565\u77ed\u6642\u7a81\u767c\u8207\u90e8\u7f72\u9810\u71b1\u968e\u6bb5\u5e36\u4f86\u7684\u6ce2\u52d5<\/p>\n<\/td>\n<\/tr>\n

    \n

    \u53ef\u7528\u8a18\u61b6\u9ad4\u504f\u4f4e<\/p>\n<\/td>\n

    		\n

    \u8a18\u61b6\u9ad4\u72c0\u614b\u53ef\u80fd\u60e1\u5316\u5f97\u66f4\u5feb\uff0c\u4e26\u89f8\u767c\u56de\u6536\u6a5f\u5236\u6216 OOM<\/p>\n<\/td>\n<\/tr>\n

    \n

    \u6a94\u6848\u7cfb\u7d71\u7a7a\u9593\u4e0d\u8db3<\/p>\n<\/td>\n

    		\n

    \u4e0d\u80fd\u53ea\u770b\u66ab\u5b58\u6a94\uff1b\u501f\u52a9\u9810\u6e2c\u8da8\u52e2\u53ef\u4ee5\u66f4\u65e9\u767c\u51fa\u9810\u8b66<\/p>\n<\/td>\n<\/tr>\n

    \n

    I\/O \u4f47\u5217\u8207\u5ef6\u9072\u504f\u9ad8<\/p>\n<\/td>\n

    		\n

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    \n
    <\/div>\n<\/div>\n

    \u78c1\u789f I\/O \u7a81\u7136\u98c6\u5347\u5230 100%\uff0c\u901a\u5e38\u4e26\u4e0d\u610f\u5473\u8457\u786c\u9ad4\u5df2\u7d93\u640d\u58de\u3002\u7d55\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\uff0c\u90fd\u80fd\u8ffd\u6eaf\u5230\u67d0\u4e9b\u53ef\u8b58\u5225\u7684\u80cc\u666f\u6d3b\u52d5\u3002\u6574\u500b\u8a3a\u65b7\u6d41\u7a0b\u5176\u5be6\u4e26\u4e0d\u8907\u96dc\uff1a\u5148\u89c0\u5bdf\u7cfb\u7d71\u8868\u73fe\uff0c\u518d\u8b58\u5225\u7570\u5e38\u7a0b\u5e8f\uff0c\u63a5\u8457\u4fee\u5fa9\u6216\u91cd\u65b0\u5b89\u6392\u5b83\u3002\u9019\u7a2e\u65b9\u6cd5\u80fd\u5920\u9ad8\u6548\u89e3\u6c7a\u9ad8\u78c1\u789f\u4f7f\u7528\u554f\u984c\u3002\u7ba1\u7406\u54e1\u4e5f\u53ef\u4ee5\u900f\u904e\u6700\u4f73\u5316\u670d\u52d9\u8207\u5efa\u7acb\u5408\u9069\u7684\u76e3\u63a7\u8b66\u793a\u6a5f\u5236\u4f86\u964d\u4f4e\u78c1\u789f\u4f7f\u7528\u58d3\u529b\u3002\u82e5\u9ad8\u78c1\u789f\u4f7f\u7528\u9577\u671f\u6301\u7e8c\u5b58\u5728\uff0c\u5247\u5fc5\u9808\u9032\u884c\u5168\u9762\u7684\u786c\u9ad4\u5065\u5eb7\u6aa2\u67e5\u3002\u9019\u5957\u6d41\u7a0b\u80fd\u5e6b\u52a9\u4f60\u66f4\u7cfb\u7d71\u5730\u6aa2\u67e5\u4f3a\u670d\u5668\u78c1\u789f\u554f\u984c\u3002\u6bcf\u4e00\u53f0\u4f3a\u670d\u5668\u90fd\u61c9\u5177\u5099\u4e3b\u52d5\u76e3\u63a7\u8207\u5feb\u901f\u56de\u61c9\u6a5f\u5236\u3002\u7528\u9019\u7a2e\u6e05\u695a\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u539f\u672c\u4ee4\u4eba\u56f0\u60d1\u7684\u554f\u984c\u4e5f\u6703\u8b8a\u5f97\u66f4\u5bb9\u6613\u7ba1\u7406\u3002\u6b61\u8fce\u5728\u7559\u8a00\u5340\u5206\u4eab\u4f60\u9047\u5230\u78c1\u789f\u98c6\u5347\u7684\u6848\u4f8b\uff0c\u6216\u63d0\u51fa\u4f60\u7684\u554f\u984c\u3002\u53ea\u8981\u6301\u7e8c\u5957\u7528\u9019\u4e9b\u6b65\u9a5f\uff0c\u5c31\u80fd\u6709\u6548\u964d\u4f4e\u672a\u4f86\u518d\u6b21\u767c\u751f\u6545\u969c\u7684\u6a5f\u7387\u3002<\/p>\n

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    \u6211\u8a72\u5982\u4f55\u627e\u51fa\u5c0e\u81f4\u9ad8 i\/o \u7684\u7a0b\u5e8f\uff1f<\/h3>\n

    \u6253\u958b Resource Monitor \u4e26\u5207\u63db\u5230 Disk \u6a19\u7c64\u9801\uff0c\u7136\u5f8c\u6309\u6bcf\u79d2\u7e3d\u4f4d\u5143\u7d44\u6578\u5c0d\u7a0b\u5e8f\u6392\u5e8f\u3002\u6392\u5728\u6700\u524d\u9762\u7684\u7a0b\u5e8f\u901a\u5e38\u5c31\u662f\u4e3b\u8981\u8ca0\u8f09\u4f86\u6e90\u3002\u63a5\u8457\u53ef\u7528 Process Explorer \u67e5\u770b\u6bcf\u500b\u7a0b\u5e8f\u7684 read bytes \u548c write bytes\u3002\u518d\u5c07 I\/O wait \u767e\u5206\u6bd4\u8207 CPU \u6838\u5fc3\u6578\u7684\u5012\u6578\u9032\u884c\u6bd4\u8f03\uff0c\u4ee5\u5224\u65b7\u7b49\u5f85\u662f\u5426\u5df2\u7d93\u986f\u8457\u5f71\u97ff\u6548\u80fd\u3002<\/p>\n

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