{"id":36625,"date":"2026-10-14T08:00:48","date_gmt":"2026-10-14T00:00:48","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-use-sar-for-historical-server-performance\/"},"modified":"2026-10-15T11:06:46","modified_gmt":"2026-10-15T03:06:46","slug":"how-to-use-sar-for-historical-server-performance","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-use-sar-for-historical-server-performance\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 sar \u67e5\u770b\u670d\u52a1\u5668\u5386\u53f2\u6027\u80fd"},"content":{"rendered":"\n<p>\n      \u5f53\u4e00\u53f0 Linux \u8282\u70b9\u5728 02:00 \u53d8\u6162\u65f6\uff0c\u5b9e\u65f6\u5de5\u5177\u5f80\u5f80\u5df2\u7ecf\u6765\u4e0d\u53ca\u4e86\u3002\u8fd9\u6b63\u662f sar \u670d\u52a1\u5668\u5386\u53f2\u6027\u80fd\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u3002\u4e0e\u5176\u76ef\u7740\u5b9e\u65f6\u5feb\u7167\uff0c\u4e0d\u5982\u8ba9\u5de5\u7a0b\u5e08\u56de\u6eaf\u673a\u5668\u5728\u66f4\u65e9\u65f6\u95f4\u5230\u5e95\u53d1\u751f\u4e86\u4ec0\u4e48\uff1aCPU \u65f6\u95f4\u662f\u5426\u4e3b\u8981\u6d88\u8017\u5728\u7528\u6237\u6001\uff0c\u5185\u5b58\u538b\u529b\u662f\u5426\u628a\u7cfb\u7edf\u63a8\u5411\u4e86\u4ea4\u6362\u5206\u533a\uff0c\u78c1\u76d8\u961f\u5217\u662f\u5426\u5df2\u7ecf\u5f62\u6210\uff0c\u6216\u8005<a href=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/url-based-traffic-routing-with-japan-servers\/\" target=\"_blank\">\u7f51\u7edc\u6d41\u91cf<\/a>\u662f\u5426\u5728\u540c\u4e00\u65f6\u523b\u7a81\u7136\u98d9\u5347\u3002\u6838\u5fc3\u601d\u8def\u5176\u5b9e\u5f88\u7b80\u5355\uff1a\u6301\u7eed\u91c7\u96c6\u8f7b\u91cf\u7ea7\u6d3b\u52a8\u8bb0\u5f55\uff0c\u7136\u540e\u5728\u4e8b\u6545\u53d1\u751f\u540e\u518d\u53bb\u8bfb\u53d6\u5b83\u4eec\u3002\u843d\u5b9e\u5230\u5b9e\u9645\u8fd0\u7ef4\u4e2d\uff0c\u8fd9\u80fd\u628a\u201c<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/tokyo\/\" target=\"_blank\">\u670d\u52a1\u5668<\/a>\u611f\u89c9\u5f88\u5361\u201d\u8fd9\u7c7b\u6a21\u7cca\u63cf\u8ff0\uff0c\u53d8\u6210\u4e00\u6761\u771f\u6b63\u53ef\u4ee5\u9a8c\u8bc1\u7684\u65f6\u95f4\u7ebf\u3002\n    <\/p>\n<h2><strong>\u4e3a\u4ec0\u4e48\u5728\u5b9e\u65f6\u6307\u6807\u4e0d\u591f\u7528\u65f6 sar \u4f9d\u7136\u91cd\u8981<\/strong><\/h2>\n<p>\n      \u8bb8\u591a\u5de5\u7a0b\u5e08\u4e60\u60ef\u5148\u7528\u4ea4\u4e92\u5f0f\u547d\u4ee4\uff0c\u56e0\u4e3a\u5b83\u4eec\u76f4\u89c2\u3001\u5373\u65f6\u3001\u719f\u6089\u3002\u4f46\u5b83\u4eec\u7684\u5f31\u70b9\u4e5f\u5f88\u660e\u663e\uff1a\u65f6\u673a\u3002\u4e00\u65e6\u67d0\u6b21\u8fc7\u8f7d\u53ea\u6301\u7eed\u4e86\u5341\u5206\u949f\uff0c\u5e76\u4e14\u5728\u4efb\u4f55\u4eba\u767b\u5f55\u4e4b\u524d\u5c31\u7ed3\u675f\u4e86\uff0c\u90a3\u4e48\u5c4f\u5e55\u4e0a\u7684\u8bc1\u636e\u4e5f\u5c31\u968f\u4e4b\u6d88\u5931\u3002\u5386\u53f2\u91c7\u96c6\u5de5\u5177\u901a\u8fc7\u628a\u5468\u671f\u6027\u91c7\u6837\u5199\u5165\u6bcf\u65e5\u6587\u4ef6\uff0c\u5f25\u8865\u4e86\u8fd9\u4e2a\u7f3a\u53e3\uff0c\u540e\u7eed\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6709\u9488\u5bf9\u6027\u7684\u67e5\u8be2\u8fdb\u884c\u56de\u653e\u3002\u6839\u636e Linux \u7684 <code>sar<\/code> \u624b\u518c\u9875\uff0c\u8be5\u5de5\u5177\u4e0d\u4ec5\u80fd\u663e\u793a\u5b9e\u65f6\u6837\u672c\uff0c\u8fd8\u80fd\u4ece\u6bcf\u65e5\u6d3b\u52a8\u6587\u4ef6\u4e2d\u5c55\u793a\u5df2\u4fdd\u5b58\u7684 CPU\u3001\u5185\u5b58\u3001I\/O \u548c\u7f51\u7edc\u7edf\u8ba1\u4fe1\u606f\u3002\n    <\/p>\n<p>\n      \u8fd9\u79cd\u5de5\u4f5c\u65b9\u5f0f\u7279\u522b\u9002\u5408\u5b58\u5728\u5b9a\u65f6\u4efb\u52a1\u3001\u5907\u4efd\u7a97\u53e3\u3001\u6279\u5904\u7406\u5bfc\u5165\u3001\u5206\u6790\u6d41\u6c34\u7ebf\uff0c\u6216\u8005\u7528\u6237\u884c\u4e3a\u660e\u663e\u96c6\u4e2d\u5728\u67d0\u4e2a\u65f6\u533a\u7684\u6d41\u91cf\u9ad8\u5cf0\u573a\u666f\u3002\u56e0\u4e3a\u6b64\u65f6\u771f\u6b63\u7684\u95ee\u9898\u901a\u5e38\u4e0d\u662f\u201c\u73b0\u5728\u53d1\u751f\u4e86\u4ec0\u4e48\u201d\uff0c\u800c\u662f\u201c\u6545\u969c\u7a97\u53e3\u671f\u95f4\u53d1\u751f\u4e86\u4ec0\u4e48\u201d\u3002\u6b63\u662f\u8fd9\u79cd\u601d\u8def\u8f6c\u53d8\uff0c\u8ba9 sar \u5728\u5e95\u5c42\u8fd0\u7ef4\u5de5\u4f5c\u4e2d\u59cb\u7ec8\u9887\u53d7\u9752\u7750\u3002\n    <\/p>\n<h2><strong>sar \u5982\u4f55\u5b58\u50a8\u5386\u53f2\u6570\u636e<\/strong><\/h2>\n<p>\n      sar \u5c5e\u4e8e sysstat \u5de5\u5177\u96c6\uff0c\u5e76\u4f9d\u8d56\u540e\u53f0\u6570\u636e\u91c7\u96c6\u673a\u5236\u3002\u91c7\u96c6\u5668\u4f1a\u5199\u5165\u6bcf\u65e5\u6d3b\u52a8\u6587\u4ef6\uff0c\u5e38\u89c1\u8def\u5f84\u662f <code>\/var\/log\/sa<\/code>\u3002sysstat \u624b\u518c\u8bf4\u660e\u4e86\u5176\u9ed8\u8ba4\u547d\u540d\u6a21\u5f0f\u4e3a <code>saDD<\/code>\uff0c\u5373\u6570\u636e\u6587\u4ef6\u6309\u65e5\u671f\u7f16\u53f7\uff1b\u540c\u65f6\u4e5f\u63d0\u5230\uff0c\u5982\u679c\u9700\u8981\u66f4\u957f\u7684\u4fdd\u7559\u5468\u671f\uff0c\u53ef\u4ee5\u5207\u6362\u4e3a\u57fa\u4e8e\u5b8c\u6574\u65e5\u671f\u7684\u547d\u540d\u683c\u5f0f\uff0c\u4f8b\u5982 <code>saYYYYMMDD<\/code>\u3002\n    <\/p>\n<p>\n      \u5bf9\u8fd0\u7ef4\u4eba\u5458\u6765\u8bf4\uff0c\u8fd9\u610f\u5473\u7740\u4e24\u4e2a\u5f88\u5b9e\u9645\u7684\u7ed3\u8bba\uff1a\n    <\/p>\n<ul>\n<li>\u53ea\u6709\u5728\u4e8b\u6545\u53d1\u751f\u524d\u5df2\u542f\u7528\u91c7\u96c6\u65f6\uff0c\u5386\u53f2\u53ef\u89c1\u6027\u624d\u771f\u6b63\u5b58\u5728\u3002<\/li>\n<li>\u4fdd\u7559\u7b56\u7565\u51b3\u5b9a\u4e86\u6392\u67e5\u65f6\u6700\u65e9\u53ef\u4ee5\u8ffd\u6eaf\u5230\u4ec0\u4e48\u65f6\u5019\u3002<\/li>\n<\/ul>\n<p>\n      \u5982\u679c\u4e00\u53f0\u4e3b\u673a\u5df2\u7ecf\u8fd0\u884c\u4e86\u51e0\u4e2a\u6708\uff0c\u4f46\u6d3b\u52a8\u91c7\u96c6\u529f\u80fd\u59cb\u7ec8\u6ca1\u6709\u542f\u7528\uff0c\u90a3\u4e48 sar \u4e5f\u65e0\u6cd5\u51ed\u7a7a\u8fd8\u539f\u5931\u53bb\u7684\u8fc7\u53bb\u3002\u5b83\u8bfb\u53d6\u7684\u662f\u5df2\u7ecf\u8bb0\u5f55\u4e0b\u6765\u7684\u7cfb\u7edf\u6d3b\u52a8\uff0c\u800c\u4e0d\u662f\u63a8\u65ad\u7f3a\u5931\u7684\u9065\u6d4b\u6570\u636e\u3002\n    <\/p>\n<h2><strong>\u5728\u4fe1\u4efb\u8fd9\u4e2a\u5de5\u5177\u4e4b\u524d\uff0c\u5148\u786e\u8ba4\u91c7\u96c6\u5df2\u542f\u7528<\/strong><\/h2>\n<p>\n      \u5728\u628a sar \u7eb3\u5165\u4e8b\u6545\u5904\u7406\u6d41\u7a0b\u4e4b\u524d\uff0c\u5148\u786e\u8ba4\u8282\u70b9\u786e\u5b9e\u5728\u6301\u7eed\u8bb0\u5f55\u6570\u636e\u3002\u4e00\u4e2a\u6700\u5c0f\u5316\u7684\u68c0\u67e5\u6d41\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u6b65\uff1a\n    <\/p>\n<ol>\n<li>\u68c0\u67e5\u547d\u4ee4\u672c\u8eab\u662f\u5426\u5b58\u5728\u3002<\/li>\n<li>\u786e\u8ba4\u6bcf\u65e5\u6587\u4ef6\u662f\u5426\u6b63\u5728\u6301\u7eed\u66f4\u65b0\u3002<\/li>\n<li>\u68c0\u67e5\u4fdd\u7559\u7b56\u7565\uff0c\u907f\u514d\u65e7\u8bb0\u5f55\u8fc7\u65e9\u6d88\u5931\u3002<\/li>\n<\/ol>\n<p>\n      \u4e00\u7ec4\u7b80\u6d01\u7684\u547d\u4ee4\u901a\u5e38\u5c31\u8db3\u591f\u4e86\uff1a\n    <\/p>\n<ul>\n<li><code>sar -V<\/code><\/li>\n<li><code>ls -lh \/var\/log\/sa\/<\/code><\/li>\n<li><code>sar -u<\/code><\/li>\n<\/ul>\n<p>\n      sysstat FAQ \u4e5f\u6307\u51fa\uff0csar \u6570\u636e\u901a\u5e38\u4fdd\u5b58\u5728 <code>\/var\/log\/sa\/saDD<\/code> \u4e2d\uff0c\u4e00\u65e6\u8fd9\u4e9b\u6587\u4ef6\u5b58\u5728\uff0csar \u5c31\u80fd\u591f\u663e\u793a\u5176\u4e2d\u4fdd\u5b58\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\n    <\/p>\n<h2><strong>\u8bfb\u53d6 CPU \u5386\u53f2\u6570\u636e\uff0c\u800c\u4e0d\u662f\u9760\u731c<\/strong><\/h2>\n<p>\n      CPU \u901a\u5e38\u662f\u6392\u67e5\u7684\u7b2c\u4e00\u7ad9\uff0c\u4f46\u771f\u6b63\u7684\u9677\u9631\u5728\u4e8e\u628a\u4e00\u5207\u90fd\u7c97\u66b4\u5730\u5f52\u7ed3\u4e3a\u201cCPU \u9ad8\u201d\u3002\u5386\u53f2\u5206\u6790\u66f4\u6709\u6548\u7684\u65b9\u5f0f\uff0c\u662f\u628a CPU \u72b6\u6001\u62c6\u5f00\u6765\u770b\u3002\u901a\u8fc7 <code>sar -u<\/code>\uff0c\u6700\u503c\u5f97\u5173\u6ce8\u7684\u5b57\u6bb5\u901a\u5e38\u662f\u7528\u6237\u6001\u65f6\u95f4\u3001\u7cfb\u7edf\u6001\u65f6\u95f4\u3001\u7a7a\u95f2\u65f6\u95f4\u4ee5\u53ca I\/O \u7b49\u5f85\u65f6\u95f4\u3002\u624b\u518c\u9875\u5bf9\u8fd9\u4e9b CPU \u5229\u7528\u7387\u89c6\u56fe\u6709\u6e05\u6670\u8bf4\u660e\uff0c\u5e76\u660e\u786e\u6307\u51fa sar \u5c31\u662f\u4e3a\u4e86\u4ece\u4fdd\u5b58\u7684\u6bcf\u65e5\u6587\u4ef6\u4e2d\u5c55\u793a\u8fd9\u7c7b\u6307\u6807\u800c\u8bbe\u8ba1\u7684\u3002([man7.org])\n    <\/p>\n<p>\n      \u5e38\u89c1\u4e14\u503c\u5f97\u5173\u6ce8\u7684\u6a21\u5f0f\u5305\u62ec\uff1a\n    <\/p>\n<ul>\n<li>\u7528\u6237\u6001\u65f6\u95f4\u504f\u9ad8\uff0c\u901a\u5e38\u8bf4\u660e\u5e94\u7528\u4ee3\u7801\u672c\u8eab\u8ba1\u7b97\u5bc6\u96c6\u3002<\/li>\n<li>\u7cfb\u7edf\u6001\u65f6\u95f4\u504f\u9ad8\uff0c\u53ef\u80fd\u610f\u5473\u7740\u5185\u6838\u5c42\u6d3b\u52a8\u8f83\u91cd\uff0c\u4f8b\u5982\u62a5\u6587\u5904\u7406\u6216\u6587\u4ef6\u7cfb\u7edf\u538b\u529b\u3002<\/li>\n<li>I\/O \u7b49\u5f85\u65f6\u95f4\u504f\u9ad8\uff0c\u5f80\u5f80\u8bf4\u660e\u771f\u6b63\u7684\u74f6\u9888\u4e0d\u5728 CPU\uff0c\u800c\u5728\u4e8e\u5b58\u50a8\u5ef6\u8fdf\u62d6\u6162\u4e86\u6267\u884c\u3002<\/li>\n<li>\u7a7a\u95f2\u65f6\u95f4\u5728\u8f83\u957f\u65f6\u95f4\u7a97\u5185\u6301\u7eed\u5f88\u4f4e\uff0c\u5219\u66f4\u63a5\u8fd1\u771f\u5b9e\u9971\u548c\uff0c\u800c\u4e0d\u662f\u77ed\u65f6\u7a81\u53d1\u3002<\/li>\n<\/ul>\n<p>\n      \u5e38\u7528\u547d\u4ee4\u793a\u4f8b\u5982\u4e0b\uff1a\n    <\/p>\n<ul>\n<li><code>sar -u<\/code>\uff1a\u67e5\u770b\u5f53\u5929\u6570\u636e<\/li>\n<li><code>sar -u -s 10:00:00 -e 11:00:00<\/code>\uff1a\u67e5\u770b\u6307\u5b9a\u65f6\u95f4\u8303\u56f4<\/li>\n<li><code>sar -u -f \/var\/log\/sa\/sa14<\/code>\uff1a\u67e5\u770b\u6307\u5b9a\u4fdd\u5b58\u6587\u4ef6<\/li>\n<\/ul>\n<p>\n      \u66f4\u201c\u6781\u5ba2\u201d\u7684\u505a\u6cd5\u662f\u505a\u5173\u8054\u5206\u6790\u3002\u5355\u770b CPU \u6570\u503c\uff0c\u51e0\u4e4e\u4ece\u6765\u90fd\u4e0d\u662f\u5b8c\u6574\u7b54\u6848\u3002\u5982\u679c I\/O \u7b49\u5f85\u5347\u9ad8\u4e14\u541e\u5410\u4e0b\u964d\uff0c\u5c31\u5e94\u8be5\u987a\u7740\u94fe\u8def\u53bb\u770b\u5757\u8bbe\u5907\u6570\u636e\uff0c\u800c\u4e0d\u662f\u8fc7\u65e9\u628a\u8d23\u4efb\u63a8\u7ed9\u8c03\u5ea6\u5668\u6216\u8fd0\u884c\u65f6\u73af\u5883\u3002\n    <\/p>\n<h2><strong>\u68c0\u67e5\u5185\u5b58\u538b\u529b\uff0c\u800c\u4e0d\u53ea\u662f\u76ef\u7740\u5269\u4f59\u5185\u5b58<\/strong><\/h2>\n<p>\n      \u5185\u5b58\u6392\u969c\u4e4b\u6240\u4ee5\u5bb9\u6613\u6df7\u4e71\uff0c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u662f\u56e0\u4e3a\u5f88\u591a\u4eba\u8fc7\u5ea6\u6267\u7740\u4e8e\u67d0\u4e00\u4e2a\u201c\u5269\u4f59\u5185\u5b58\u201d\u6570\u5b57\u3002\u66f4\u6709\u4ef7\u503c\u7684\u5386\u53f2\u5185\u5b58\u5206\u6790\uff0c\u5e94\u8be5\u5173\u6ce8\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u538b\u529b\u53d8\u5316\u3002\u501f\u52a9 <code>sar -r<\/code> \u4ee5\u53ca\u9762\u5411\u4ea4\u6362\u5206\u533a\u7684\u89c6\u56fe\uff0c\u4f8b\u5982 <code>sar -S<\/code>\uff0c\u4f60\u53ef\u4ee5\u89c2\u5bdf\u7cfb\u7edf\u662f\u5426\u4e00\u76f4\u4fdd\u7559\u4e86\u8db3\u591f\u4f59\u91cf\u3001\u7f13\u5b58\u662f\u5426\u6b63\u5e38\u56de\u6536\uff0c\u4ee5\u53ca\u5728\u6545\u969c\u65f6\u6bb5\u4ea4\u6362\u5206\u533a\u662f\u5426\u88ab\u5377\u5165\u3002sar \u7684\u76f8\u5173\u6587\u6863\u4e5f\u5c06\u5185\u5b58\u62a5\u544a\u5217\u4e3a\u5176\u6807\u51c6\u4fdd\u5b58\u6307\u6807\u4e4b\u4e00\u3002\n    <\/p>\n<p>\n      \u4ee5\u4e0b\u4fe1\u53f7\u901a\u5e38\u503c\u5f97\u8fdb\u4e00\u6b65\u6df1\u6316\uff1a\n    <\/p>\n<ol>\n<li>\u5185\u5b58\u5360\u7528\u7f13\u6162\u4e0a\u5347\uff0c\u5e76\u4e14\u5728\u5de5\u4f5c\u8d1f\u8f7d\u7ed3\u675f\u540e\u4ecd\u4e0d\u56de\u843d\u3002<\/li>\n<li>\u5728\u5ef6\u8fdf\u5c16\u5cf0\u51fa\u73b0\u65f6\uff0c\u4ea4\u6362\u5206\u533a\u4f7f\u7528\u91cf\u540c\u6b65\u589e\u957f\u3002<\/li>\n<li>\u7f13\u5b58\u7f29\u5c0f\u7684\u540c\u65f6\u78c1\u76d8\u8bfb\u53d6\u589e\u52a0\uff0c\u8fd9\u5f80\u5f80\u6697\u793a\u5de5\u4f5c\u96c6\u6b63\u5728\u9891\u7e41\u6296\u52a8\u3002<\/li>\n<\/ol>\n<p>\n      \u4e00\u4e2a\u5f88\u7a33\u59a5\u7684\u8c03\u8bd5\u4e60\u60ef\uff0c\u662f\u628a\u5185\u5b58\u548c\u78c1\u76d8\u5386\u53f2\u653e\u5728\u4e00\u8d77\u5bf9\u7167\u770b\u3002\u4e00\u65e6\u4ea4\u6362\u5206\u533a\u8fdb\u5165\u95ee\u9898\u73b0\u573a\uff0c\u5ef6\u8fdf\u5c31\u53ef\u80fd\u51fa\u73b0\u5728\u8ddd\u79bb\u539f\u59cb\u5185\u5b58\u6d88\u8017\u8fdb\u7a0b\u5f88\u8fdc\u7684\u5730\u65b9\u3002\u5386\u53f2\u8bb0\u5f55\u80fd\u5e2e\u52a9\u4f60\u628a\u8fd9\u79cd\u6ede\u540e\u6548\u5e94\u62c6\u89e3\u6e05\u695a\u3002\n    <\/p>\n<h2><strong>\u5229\u7528\u78c1\u76d8\u6307\u6807\u89e3\u91ca\u5361\u987f\u548c\u957f\u5c3e\u5ef6\u8fdf<\/strong><\/h2>\n<p>\n      \u5f53\u7cfb\u7edf\u611f\u89c9\u5f88\u6162\uff0c\u4f46 CPU \u53c8\u6ca1\u6709\u88ab\u5b8c\u5168\u6253\u6ee1\u65f6\uff0c\u5b58\u50a8\u901a\u5e38\u5c31\u662f\u4e0b\u4e00\u4e2a\u91cd\u70b9\u6000\u7591\u5bf9\u8c61\u3002sar \u63d0\u4f9b\u4e86\u5757\u8bbe\u5907\u6d3b\u52a8\u548c\u4f20\u8f93\u7edf\u8ba1\u4fe1\u606f\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5224\u65ad\u673a\u5668\u5230\u5e95\u662f\u5728\u8ba1\u7b97\uff0c\u8fd8\u662f\u5927\u591a\u6570\u65f6\u95f4\u90fd\u5728\u7b49\u5f85\u8bfb\u5199\u5b8c\u6210\u3002\u8fd0\u7ef4\u4eba\u5458\u901a\u5e38\u4f1a\u4f7f\u7528 <code>sar -d<\/code> \u67e5\u770b\u8bbe\u5907\u6d3b\u52a8\uff0c\u4f7f\u7528 <code>sar -b<\/code> \u67e5\u770b\u9762\u5411\u4f20\u8f93\u7684\u6c47\u603b\u4fe1\u606f\u3002\n    <\/p>\n<p>\n      \u503c\u5f97\u5173\u6ce8\u7684\u73b0\u8c61\u5305\u62ec\uff1a\n    <\/p>\n<ul>\n<li>\u4e8b\u52a1\u901f\u7387\u4e0a\u5347\uff0c\u5e76\u4e14\u4e0e\u67d0\u4e2a\u6279\u5904\u7406\u4efb\u52a1\u6216\u5f52\u6863\u4efb\u52a1\u7684\u65f6\u95f4\u4e00\u81f4\u3002<\/li>\n<li>\u8bfb\u5199\u6d3b\u52a8\u660e\u663e\u4e0d\u5bf9\u79f0\uff0c\u5e76\u4e14\u4e0e\u5e94\u7528\u884c\u4e3a\u7279\u5f81\u543b\u5408\u3002<\/li>\n<li>CPU \u89c6\u56fe\u4e2d\u7684 I\/O \u7b49\u5f85\u5347\u9ad8\uff0c\u540c\u65f6\u5757\u8bbe\u5907\u6d3b\u52a8\u4e5f\u5728\u589e\u5f3a\u3002<\/li>\n<\/ul>\n<p>\n      \u5386\u53f2\u5b58\u50a8\u5206\u6790\u66f4\u5173\u6ce8\u6301\u7eed\u6027\u4e89\u7528\uff0c\u800c\u4e0d\u662f\u5b64\u7acb\u5cf0\u503c\u3002\u4e00\u6b21\u77ed\u6682\u7a81\u53d1\u672a\u5fc5\u6709\u5bb3\uff0c\u800c\u4e00\u6bb5\u6301\u7eed\u8f83\u957f\u7684\u538b\u529b\u5e73\u53f0\u901a\u5e38\u5c31\u4e0d\u662f\u5c0f\u4e8b\u4e86\u3002\u65e0\u8bba\u662f\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u8fd8\u662f\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\uff0c\u8fd9\u79cd\u533a\u522b\u90fd\u5f88\u5173\u952e\uff0c\u56e0\u4e3a\u5373\u4fbf\u8282\u70b9\u4e0a\u7684\u75c7\u72b6\u770b\u8d77\u6765\u4e00\u6837\uff0c\u6839\u56e0\u6240\u5728\u5c42\u6b21\u4e5f\u53ef\u80fd\u5b8c\u5168\u4e0d\u540c\u3002\n    <\/p>\n<h2><strong>\u8de8\u65f6\u95f4\u7a97\u53e3\u8ffd\u8e2a\u7f51\u7edc\u884c\u4e3a<\/strong><\/h2>\n<p>\n      \u7f51\u7edc\u95ee\u9898\u6700\u64c5\u957f\u4f2a\u88c5\u6210\u5e94\u7528\u95ee\u9898\u3002\u4e00\u6b21\u8bf7\u6c42\u8d85\u65f6\u53d1\u751f\u540e\uff0c\u5f88\u591a\u4eba\u7b2c\u4e00\u53cd\u5e94\u662f\u5148\u7ffb\u65e5\u5fd7\uff0c\u800c\u4e0d\u662f\u5148\u770b\u7f51\u5361\u5386\u53f2\u3002sar \u7684\u4ef7\u503c\u5c31\u5728\u4e8e\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7 <code>sar -n DEV<\/code> \u8fd9\u7c7b\u89c6\u56fe\u66b4\u9732\u8bbe\u5907\u7ea7\u8ba1\u6570\u5668\u3002sysstat FAQ \u4e5f\u6307\u51fa\uff0csar \u65e2\u53ef\u4ee5\u4ece\u4fdd\u5b58\u7684\u6570\u636e\u6587\u4ef6\u4e2d\u62a5\u544a\u7f51\u7edc\u8bbe\u5907\u5229\u7528\u7387\uff0c\u4e5f\u53ef\u4ee5\u5728\u5b9e\u65f6\u6a21\u5f0f\u4e0b\u8fdb\u884c\u5c55\u793a\u3002\n    <\/p>\n<p>\n      \u5386\u53f2\u7f51\u7edc\u56de\u987e\u5bf9\u4e8e\u53d1\u73b0\u4ee5\u4e0b\u73b0\u8c61\u5f88\u6709\u5e2e\u52a9\uff1a\n    <\/p>\n<ul>\n<li>\u4e0e\u53d1\u5e03\u3001\u722c\u866b\u6216\u540c\u6b65\u4efb\u52a1\u76f8\u543b\u5408\u7684\u6d41\u91cf\u7a81\u53d1\u3002<\/li>\n<li>\u6545\u969c\u7a97\u53e3\u671f\u95f4\u63a5\u6536\u6216\u53d1\u9001\u6d41\u91cf\u7684\u5267\u70c8\u53d8\u5316\u3002<\/li>\n<li>\u80fd\u591f\u89e3\u91ca\u62a5\u6587\u5904\u7406\u578b\u7cfb\u7edf\u6001\u65f6\u95f4\u5347\u9ad8\u7684\u63a5\u53e3\u7ea7\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p>\n      \u5bf9\u4e8e\u670d\u52a1\u5730\u7406\u5206\u5e03\u5e7f\u6cdb\u7528\u6237\u7fa4\u7684\u5de5\u7a0b\u5e08\u6765\u8bf4\uff0c\u8fd9\u79cd\u89c6\u56fe\u5c24\u5176\u6709\u542f\u53d1\u6027\uff0c\u56e0\u4e3a\u7528\u6237\u9700\u6c42\u5f80\u5f80\u4f1a\u5728\u672c\u5730\u5de5\u4f5c\u65f6\u95f4\u9644\u8fd1\u9ad8\u5ea6\u96c6\u4e2d\u3002\u4e00\u65e6\u8fd9\u79cd\u8282\u5f8b\u53d8\u5f97\u53ef\u89c1\uff0c\u5bb9\u91cf\u89c4\u5212\u5c31\u80fd\u5c11\u4e00\u4e9b\u88ab\u52a8\u8865\u6551\uff0c\u591a\u4e00\u4e9b\u4e3b\u52a8\u8bbe\u8ba1\u3002\n    <\/p>\n<h2><strong>\u67e5\u8be2\u7cbe\u786e\u7684\u6545\u969c\u65f6\u95f4\u7a97\u53e3<\/strong><\/h2>\n<p>\n      \u6700\u6709\u6548\u7387\u7684 sar \u6392\u67e5\u901a\u5e38\u90fd\u4ece\u4e00\u4e2a\u660e\u786e\u65f6\u95f4\u6233\u5f00\u59cb\u3002\u4e0e\u5176\u901a\u8bfb\u6574\u6574\u4e00\u5929\u7684\u6570\u636e\uff0c\u4e0d\u5982\u628a\u67e5\u8be2\u8303\u56f4\u6536\u7a84\u5230\u6545\u969c\u53d1\u751f\u524d\u3001\u53d1\u751f\u65f6\u548c\u6062\u590d\u540e\u7684\u90a3\u6bb5\u65f6\u95f4\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u51cf\u5c11\u566a\u58f0\u5e72\u6270\u3002\n    <\/p>\n<p>\n      \u4e00\u4e2a\u5b9e\u7528\u7684\u6392\u67e5\u987a\u5e8f\u901a\u5e38\u5982\u4e0b\uff1a\n    <\/p>\n<ol>\n<li>\u5148\u770b\u6545\u969c\u7a97\u53e3\u5185\u7684 CPU\u3002<\/li>\n<li>\u518d\u770b\u540c\u4e00\u65f6\u95f4\u6bb5\u5185\u7684\u5185\u5b58\u548c\u4ea4\u6362\u5206\u533a\u3002<\/li>\n<li>\u63a5\u7740\u5bf9\u7167\u76f8\u540c\u65f6\u95f4\u6233\u4e0b\u7684\u78c1\u76d8\u548c\u7f51\u7edc\u6d3b\u52a8\u3002<\/li>\n<li>\u6700\u540e\u624d\u8fdb\u5165\u8fdb\u7a0b\u7ea7\u6216\u5e94\u7528\u7ea7\u5de5\u5177\u3002<\/li>\n<\/ol>\n<p>\n      \u793a\u4f8b\u547d\u4ee4\u5982\u4e0b\uff1a\n    <\/p>\n<ul>\n<li><code>sar -u -s 14:00:00 -e 14:20:00<\/code><\/li>\n<li><code>sar -r -s 14:00:00 -e 14:20:00<\/code><\/li>\n<li><code>sar -d -s 14:00:00 -e 14:20:00<\/code><\/li>\n<li><code>sar -n DEV -s 14:00:00 -e 14:20:00<\/code><\/li>\n<\/ul>\n<p>\n      \u8fd9\u79cd\u4ee5\u65f6\u95f4\u4e3a\u8fb9\u754c\u7684\u65b9\u5f0f\uff0c\u80fd\u8ba9\u8f93\u51fa\u66f4\u50cf\u4e00\u4efd\u7cfb\u7edf\u884c\u4e3a\u8f68\u8ff9\uff0c\u800c\u4e0d\u662f\u4e00\u5835\u968f\u610f\u5806\u53e0\u7684\u8ba1\u6570\u5668\u9ad8\u5899\u3002\n    <\/p>\n<h2><strong>\u5f53\u4eca\u5929\u7684\u6570\u636e\u65e0\u5173\u65f6\uff0c\u76f4\u63a5\u6253\u5f00\u65e7\u7684\u6bcf\u65e5\u6587\u4ef6<\/strong><\/h2>\n<p>\n      \u67d0\u4e9b\u6545\u969c\u5f80\u5f80\u5728\u4e8b\u540e\u5f88\u4e45\u624d\u88ab\u4e0a\u62a5\uff0c\u5c24\u5176\u662f\u5728\u6ca1\u6709\u5168\u5929\u5019\u4eba\u5de5\u503c\u5b88\u7684\u73af\u5883\u4e2d\u3002\u6b64\u65f6\uff0c\u6b63\u786e\u505a\u6cd5\u901a\u5e38\u662f\u4f7f\u7528 <code>-f<\/code> \u9009\u9879\u76f4\u63a5\u6253\u5f00\u4fdd\u5b58\u597d\u7684\u6bcf\u65e5\u6587\u4ef6\u3002sysstat \u6587\u6863\u8bf4\u660e\uff0csar \u53ef\u4ee5\u663e\u793a\u6b64\u524d\u4fdd\u5b58\u5728\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u800c\u8fd9\u6b63\u662f\u56de\u6eaf\u6027\u5206\u6790\u7684\u57fa\u7840\u3002\n    <\/p>\n<p>\n      \u5e38\u89c1\u793a\u4f8b\u5982\u4e0b\uff1a\n    <\/p>\n<ul>\n<li><code>sar -u -f \/var\/log\/sa\/sa13<\/code><\/li>\n<li><code>sar -r -f \/var\/log\/sa\/sa13<\/code><\/li>\n<li><code>sar -n DEV -f \/var\/log\/sa\/sa13<\/code><\/li>\n<\/ul>\n<p>\n      \u5982\u679c\u9700\u8981\u8f83\u957f\u4fdd\u7559\u5468\u671f\uff0c\u5c31\u5e94\u68c0\u67e5\u914d\u7f6e\u7684\u5386\u53f2\u4fdd\u7559\u7b56\u7565\u3002sysstat \u624b\u518c\u89e3\u91ca\u4e86\uff0c\u4fdd\u7559\u7531\u5386\u53f2\u8bbe\u7f6e\u63a7\u5236\uff0c\u8d85\u8fc7\u914d\u7f6e\u5929\u6570\u7684\u6587\u4ef6\u4f1a\u88ab\u81ea\u52a8\u6e05\u7406\u3002\n    <\/p>\n<h2><strong>\u5f53 sar \u770b\u8d77\u6765\u6ca1\u7528\u65f6\uff0c\u5e38\u89c1\u7684\u5931\u8d25\u6a21\u5f0f\u6709\u54ea\u4e9b<\/strong><\/h2>\n<p>\n      sar \u8ba9\u4eba\u5931\u671b\uff0c\u901a\u5e38\u4e0d\u662f\u56e0\u4e3a\u5de5\u5177\u80fd\u529b\u4e0d\u591f\uff0c\u800c\u662f\u56e0\u4e3a\u8fd0\u7ef4\u6d41\u7a0b\u51fa\u4e86\u95ee\u9898\u3002\u6700\u5e38\u89c1\u7684\u9677\u9631\u5f80\u5f80\u975e\u5e38\u89c4\u5f8b\uff1a\n    <\/p>\n<ul>\n<li>\u4ece\u672a\u542f\u7528\u91c7\u96c6\uff0c\u56e0\u6b64\u6839\u672c\u6ca1\u6709\u8fc7\u53bb\u53ef\u67e5\u3002<\/li>\n<li>\u4fdd\u7559\u5468\u671f\u8fc7\u77ed\uff0c\u76ee\u6807\u6587\u4ef6\u5df2\u7ecf\u8f6e\u8f6c\u6d88\u5931\u3002<\/li>\n<li>\u67e5\u8be2\u4e86\u9519\u8bef\u7684\u6307\u6807\u7c7b\u522b\uff0c\u4ece\u800c\u5f97\u51fa\u9519\u8bef\u7ed3\u8bba\u3002<\/li>\n<li>\u4e00\u4e0a\u6765\u5148\u770b\u5e73\u5747\u503c\uff0c\u7ed3\u679c\u9519\u8fc7\u4e86\u771f\u6b63\u85cf\u5728\u65f6\u95f4\u7ebf\u91cc\u7684\u5c16\u5cf0\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\n      sysstat FAQ \u8fd8\u8bb0\u5f55\u4e86\u4e00\u4e9b\u8bf7\u6c42\u7684\u6d3b\u52a8\u7c7b\u578b\u4e0d\u53ef\u7528\u7684\u60c5\u51b5\uff0c\u8fd9\u901a\u5e38\u53d1\u751f\u5728\u5185\u6838\u6216\u6570\u636e\u6587\u4ef6\u6ca1\u6709\u63d0\u4f9b\u9884\u671f\u6570\u636e\u96c6\u65f6\u3002\n    <\/p>\n<p>\n      \u66f4\u597d\u7684\u8fd0\u7ef4\u4e60\u60ef\uff0c\u662f\u628a sar \u89c6\u4e3a\u6574\u4e2a\u5de5\u5177\u6808\u4e2d\u7684\u4e00\u5c42\uff1a\n    <\/p>\n<ol>\n<li>\u5148\u7528 sar \u91cd\u5efa\u65f6\u95f4\u8f74\u3002<\/li>\n<li>\u518d\u7528\u8fdb\u7a0b\u7ea7\u5de5\u5177\u8bc6\u522b\u662f\u8c01\u4e3b\u5bfc\u4e86\u8fd9\u6761\u65f6\u95f4\u8f74\u3002<\/li>\n<li>\u53ea\u6709\u5728\u641e\u6e05\u695a\u7cfb\u7edf\u7ea7\u6a21\u5f0f\u540e\uff0c\u518d\u53bb\u8bfb\u65e5\u5fd7\u548c\u8ffd\u8e2a\u6570\u636e\u3002<\/li>\n<\/ol>\n<h2><strong>\u751f\u4ea7\u73af\u5883\u6392\u67e5\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\n      \u5982\u679c\u80fd\u914d\u5408\u4e00\u5957\u6709\u7eaa\u5f8b\u7684\u4e8b\u6545\u5904\u7406\u6d41\u7a0b\uff0c\u5386\u53f2\u76d1\u63a7\u7684\u4ef7\u503c\u4f1a\u88ab\u653e\u5927\u8bb8\u591a\u3002\u4ee5\u4e0b\u4e60\u60ef\u901a\u5e38\u5f88\u503c\u5f97\u575a\u6301\uff1a\n    <\/p>\n<ul>\n<li>\u8bb0\u5f55\u75c7\u72b6\u5f00\u59cb\u548c\u7ed3\u675f\u7684\u7cbe\u786e\u5206\u949f\u3002<\/li>\n<li>\u4fdd\u7559\u8db3\u591f\u957f\u7684\u5386\u53f2\uff0c\u4ee5\u8986\u76d6\u5ef6\u8fdf\u4e0a\u62a5\u7684\u6545\u969c\u3002<\/li>\n<li>\u5728\u540c\u4e00\u65f6\u95f4\u7247\u5185\u540c\u65f6\u67e5\u770b CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u548c\u7f51\u7edc\u3002<\/li>\n<li>\u4f18\u5148\u89e3\u91ca\u8d8b\u52bf\uff0c\u800c\u4e0d\u662f\u6267\u7740\u4e8e\u5b64\u7acb\u5cf0\u503c\u3002<\/li>\n<li>\u5728\u9700\u8981\u66f4\u6df1\u5c42\u79bb\u7ebf\u5206\u6790\u65f6\u5bfc\u51fa\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<p>\n      \u66f4\u5e7f\u4e49\u7684 sysstat \u5de5\u5177\u96c6\u8fd8\u5305\u542b\u7528\u4e8e\u683c\u5f0f\u5316\u4fdd\u5b58\u6570\u636e\u7684\u5b9e\u7528\u7a0b\u5e8f\uff0c\u76f8\u5173\u624b\u518c\u9875\u4e5f\u8bf4\u660e\u4e86\u8fd9\u4e9b\u6bcf\u65e5\u6587\u4ef6\u9664\u4e86\u76f4\u63a5\u5728\u7ec8\u7aef\u8bfb\u53d6\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u88ab\u8fdb\u4e00\u6b65\u6d88\u8d39\u548c\u5904\u7406\u3002\n    <\/p>\n<h2><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\n      \u4f18\u79c0\u7684\u6027\u80fd\u6392\u969c\uff0c\u59cb\u4e8e\u4e00\u6761\u6e05\u6670\u7684\u65f6\u95f4\u7ebf\uff0c\u800c\u8fd9\u6b63\u662f sar \u670d\u52a1\u5668\u5386\u53f2\u6027\u80fd\u6240\u80fd\u63d0\u4f9b\u7684\u4ef7\u503c\u3002\u5b83\u628a\u4e00\u53f0 Linux \u4e3b\u673a\u4ece\u9ed1\u76d2\uff0c\u53d8\u6210\u4e00\u4efd\u5173\u4e8e\u72b6\u6001\u8f6c\u79fb\u7684\u8bb0\u5f55\uff1aCPU \u7e41\u5fd9\u3001\u5185\u5b58\u5403\u7d27\u3001\u5b58\u50a8\u62e5\u5835\uff0c\u6216\u8005\u7f51\u7edc\u6fc0\u589e\u3002\u5bf9\u4e8e\u6280\u672f\u56e2\u961f\u6765\u8bf4\uff0c\u5b83\u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u82b1\u54e8\u7684\u4eea\u8868\u76d8\uff0c\u800c\u5728\u4e8e\u6cd5\u8bc1\u5f0f\u7684\u6e05\u6670\u5ea6\u3002\u5982\u679c\u8282\u70b9\u5728\u65e0\u4eba\u6ce8\u89c6\u65f6\u51fa\u73b0\u5f02\u5e38\uff0csar \u5c31\u80fd\u5e2e\u4f60\u91cd\u653e\u7cfb\u7edf\u81ea\u5df1\u7684\u53d9\u8ff0\uff0c\u8ba9\u6574\u4e2a\u8c03\u67e5\u8fc7\u7a0b\u5c11\u4e00\u4e9b\u731c\u6d4b\u3001\u5c11\u4e00\u4e9b\u7384\u5b66\uff0c\u5e76\u4e14\u66f4\u9ad8\u6548\u5730\u4ece\u75c7\u72b6\u8d70\u5411\u6839\u56e0\u3002\n    <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u4e00\u53f0 Linux \u8282\u70b9\u5728 02:00 \u53d8\u6162\u65f6\uff0c\u5b9e\u65f6\u5de5\u5177\u5f80\u5f80\u5df2\u7ecf\u6765\u4e0d\u53ca\u4e86\u3002\u8fd9\u6b63\u662f sar \u670d\u52a1\u5668\u5386\u53f2\u6027\u80fd\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u3002\u4e0e\u5176\u76ef\u7740\u5b9e\u65f6\u5feb\u7167\uff0c\u4e0d\u5982\u8ba9\u5de5\u7a0b\u5e08\u56de\u6eaf\u673a\u5668\u5728\u66f4\u65e9\u65f6\u95f4\u5230\u5e95\u53d1\u751f\u4e86\u4ec0\u4e48\uff1aCPU \u65f6\u95f4\u662f\u5426\u4e3b\u8981\u6d88\u8017\u5728\u7528\u6237\u6001\uff0c\u5185\u5b58\u538b\u529b\u662f\u5426\u628a\u7cfb\u7edf\u63a8\u5411\u4e86\u4ea4\u6362\u5206\u533a\uff0c\u78c1\u76d8\u961f\u5217\u662f\u5426\u5df2\u7ecf\u5f62\u6210\uff0c\u6216\u8005\u7f51\u7edc\u6d41\u91cf\u662f\u5426\u5728\u540c\u4e00\u65f6\u523b\u7a81\u7136\u98d9\u5347\u3002\u6838\u5fc3\u601d\u8def\u5176\u5b9e\u5f88\u7b80\u5355\uff1a\u6301\u7eed\u91c7\u96c6\u8f7b\u91cf\u7ea7\u6d3b\u52a8\u8bb0\u5f55\uff0c\u7136\u540e\u5728\u4e8b\u6545\u53d1\u751f\u540e\u518d\u53bb\u8bfb\u53d6\u5b83\u4eec\u3002\u843d\u5b9e\u5230\u5b9e\u9645\u8fd0\u7ef4\u4e2d\uff0c\u8fd9\u80fd\u628a\u201c\u670d\u52a1\u5668\u611f\u89c9\u5f88\u5361\u201d\u8fd9\u7c7b\u6a21\u7cca\u63cf\u8ff0\uff0c\u53d8\u6210\u4e00\u6761\u771f\u6b63\u53ef\u4ee5\u9a8c\u8bc1\u7684\u65f6\u95f4\u7ebf\u3002 \u4e3a\u4ec0\u4e48\u5728\u5b9e\u65f6\u6307\u6807\u4e0d\u591f\u7528\u65f6 sar \u4f9d\u7136\u91cd\u8981 \u8bb8\u591a\u5de5\u7a0b\u5e08\u4e60\u60ef\u5148\u7528\u4ea4\u4e92\u5f0f\u547d\u4ee4\uff0c\u56e0\u4e3a\u5b83\u4eec\u76f4\u89c2\u3001\u5373\u65f6\u3001\u719f\u6089\u3002\u4f46\u5b83\u4eec\u7684\u5f31\u70b9\u4e5f\u5f88\u660e\u663e\uff1a\u65f6\u673a\u3002\u4e00\u65e6\u67d0\u6b21\u8fc7\u8f7d\u53ea\u6301\u7eed\u4e86\u5341\u5206\u949f\uff0c\u5e76\u4e14\u5728\u4efb\u4f55\u4eba\u767b\u5f55\u4e4b\u524d\u5c31\u7ed3\u675f\u4e86\uff0c\u90a3\u4e48\u5c4f\u5e55\u4e0a\u7684\u8bc1\u636e\u4e5f\u5c31\u968f\u4e4b\u6d88\u5931\u3002\u5386\u53f2\u91c7\u96c6\u5de5\u5177\u901a\u8fc7\u628a\u5468\u671f\u6027\u91c7\u6837\u5199\u5165\u6bcf\u65e5\u6587\u4ef6\uff0c\u5f25\u8865\u4e86\u8fd9\u4e2a\u7f3a\u53e3\uff0c\u540e\u7eed\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6709\u9488\u5bf9\u6027\u7684\u67e5\u8be2\u8fdb\u884c\u56de\u653e\u3002\u6839\u636e Linux \u7684 sar \u624b\u518c\u9875\uff0c\u8be5\u5de5\u5177\u4e0d\u4ec5\u80fd\u663e\u793a\u5b9e\u65f6\u6837\u672c\uff0c\u8fd8\u80fd\u4ece\u6bcf\u65e5\u6d3b\u52a8\u6587\u4ef6\u4e2d\u5c55\u793a\u5df2\u4fdd\u5b58\u7684 CPU\u3001\u5185\u5b58\u3001I\/O \u548c\u7f51\u7edc\u7edf\u8ba1\u4fe1\u606f\u3002 \u8fd9\u79cd\u5de5\u4f5c\u65b9\u5f0f\u7279\u522b\u9002\u5408\u5b58\u5728\u5b9a\u65f6\u4efb\u52a1\u3001\u5907\u4efd\u7a97\u53e3\u3001\u6279\u5904\u7406\u5bfc\u5165\u3001\u5206\u6790\u6d41\u6c34\u7ebf\uff0c\u6216\u8005\u7528\u6237\u884c\u4e3a\u660e\u663e\u96c6\u4e2d\u5728\u67d0\u4e2a\u65f6\u533a\u7684\u6d41\u91cf\u9ad8\u5cf0\u573a\u666f\u3002\u56e0\u4e3a\u6b64\u65f6\u771f\u6b63\u7684\u95ee\u9898\u901a\u5e38\u4e0d\u662f\u201c\u73b0\u5728\u53d1\u751f\u4e86\u4ec0\u4e48\u201d\uff0c\u800c\u662f\u201c\u6545\u969c\u7a97\u53e3\u671f\u95f4\u53d1\u751f\u4e86\u4ec0\u4e48\u201d\u3002\u6b63\u662f\u8fd9\u79cd\u601d\u8def\u8f6c\u53d8\uff0c\u8ba9 sar \u5728\u5e95\u5c42\u8fd0\u7ef4\u5de5\u4f5c\u4e2d\u59cb\u7ec8\u9887\u53d7\u9752\u7750\u3002 sar \u5982\u4f55\u5b58\u50a8\u5386\u53f2\u6570\u636e sar \u5c5e\u4e8e sysstat \u5de5\u5177\u96c6\uff0c\u5e76\u4f9d\u8d56\u540e\u53f0\u6570\u636e\u91c7\u96c6\u673a\u5236\u3002\u91c7\u96c6\u5668\u4f1a\u5199\u5165\u6bcf\u65e5\u6d3b\u52a8\u6587\u4ef6\uff0c\u5e38\u89c1\u8def\u5f84\u662f \/var\/log\/sa\u3002sysstat \u624b\u518c\u8bf4\u660e\u4e86\u5176\u9ed8\u8ba4\u547d\u540d\u6a21\u5f0f\u4e3a saDD\uff0c\u5373\u6570\u636e\u6587\u4ef6\u6309\u65e5\u671f\u7f16\u53f7\uff1b\u540c\u65f6\u4e5f\u63d0\u5230\uff0c\u5982\u679c\u9700\u8981\u66f4\u957f\u7684\u4fdd\u7559\u5468\u671f\uff0c\u53ef\u4ee5\u5207\u6362\u4e3a\u57fa\u4e8e\u5b8c\u6574\u65e5\u671f\u7684\u547d\u540d\u683c\u5f0f\uff0c\u4f8b\u5982 saYYYYMMDD\u3002 \u5bf9\u8fd0\u7ef4\u4eba\u5458\u6765\u8bf4\uff0c\u8fd9\u610f\u5473\u7740\u4e24\u4e2a\u5f88\u5b9e\u9645\u7684\u7ed3\u8bba\uff1a \u53ea\u6709\u5728\u4e8b\u6545\u53d1\u751f\u524d\u5df2\u542f\u7528\u91c7\u96c6\u65f6\uff0c\u5386\u53f2\u53ef\u89c1\u6027\u624d\u771f\u6b63\u5b58\u5728\u3002 \u4fdd\u7559\u7b56\u7565\u51b3\u5b9a\u4e86\u6392\u67e5\u65f6\u6700\u65e9\u53ef\u4ee5\u8ffd\u6eaf\u5230\u4ec0\u4e48\u65f6\u5019\u3002 \u5982\u679c\u4e00\u53f0\u4e3b\u673a\u5df2\u7ecf\u8fd0\u884c\u4e86\u51e0\u4e2a\u6708\uff0c\u4f46\u6d3b\u52a8\u91c7\u96c6\u529f\u80fd\u59cb\u7ec8\u6ca1\u6709\u542f\u7528\uff0c\u90a3\u4e48 sar \u4e5f\u65e0\u6cd5\u51ed\u7a7a\u8fd8\u539f\u5931\u53bb\u7684\u8fc7\u53bb\u3002\u5b83\u8bfb\u53d6\u7684\u662f\u5df2\u7ecf\u8bb0\u5f55\u4e0b\u6765\u7684\u7cfb\u7edf\u6d3b\u52a8\uff0c\u800c\u4e0d\u662f\u63a8\u65ad\u7f3a\u5931\u7684\u9065\u6d4b\u6570\u636e\u3002 \u5728\u4fe1\u4efb\u8fd9\u4e2a\u5de5\u5177\u4e4b\u524d\uff0c\u5148\u786e\u8ba4\u91c7\u96c6\u5df2\u542f\u7528 \u5728\u628a sar 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