\u5e94\u7528\u6309\u56db\u4e2a\u70b9\uff1a
\n1.CPU\uff08CPU\u5206\u65f6\u91cf\uff09
\n2.memory
\n3.I\/O
\n4.network
\n================
\n\u4e00\u3000\u7f51\u7edc\u95ee\u9898
\n\u3000\u3000\u3000\uff11\u5148\u4fdd\u8bc1\u5e26\u5bbd\u8d28\u91cf\u3000\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5de5\u5177\u770b\u770b\u6d41\u91cf\u591a\u4e0d\u591a\uff0c\u5ef6\u8fdf\u5927\u4e0d\u5927\uff0c\u8fd9\u65b9\u9762\u5de5\u5177\u5f88\u591a\uff0c\u4e0d\u4e3e\u4f8b\u3002
\n\u3000\u3000\u3000\u3000\u6211\u8fd8\u9047\u5230\u8fc7\u6700\u6076\u5fc3\u7684\u662f\u5ba2\u6237\u7aef\u5f00\u8fc5\u96f7\uff0c\uff22\uff34\uff0c\u7136\u540e\u62b1\u6028\u8bf4\u7f51\u7ad9\u6162\uff0c\u771f\u5fc3\u592a\u9633\u3002
\n\u3000\u3000\u3000\uff12\u6392\u9664dns\u95ee\u9898\uff0c\u6d4b\u8bd5\u7684\u65f6\u5019\u53ef\u4ee5\u5199hosts\u6587\u4ef6<\/p>\n
\u4e8c\u3000\u5185\u5b58\u95ee\u9898<\/p>\n
\u3000\u3000\u3000\u53ef\u4ee5\u4f7f\u7528vmstat\u547d\u4ee4\u5b9e\u65f6\u67e5\u770b\u72b6\u6001\uff0c\u5173\u6ce8si ,so ,wa\uff0c\u5982\u679csi,so,\u6bd4\u8f83\u5927\uff0c\u8bf4\u660e\u5185\u5b58\u548cswap\u6709\u4ea4\u4e92\uff0c\u540c\u65f6\u5e94\u8be5wa(io\u7b49\u5f85)\u4e5f\u4f1a\u589e\u5927\uff0c\u53e6\u5916\u7531\u4e8e\u7a0b\u5e8f\u5728cpu\u4e2d\u9891\u7e41\u5207\u6362\uff0ccs\u4e0a\u4e0b\u6587\u4e5f\u4f1a\u6bd4\u6b63\u5e38\u60c5\u51b5\u4e0b\u5927\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u57fa\u672c\u786e\u5b9a\u662f\u5185\u5b58\u95ee\u9898\u3000\u5177\u4f53\u7684\u8868\u9762\u73b0\u50cf\u662fcpu\u8017\u5c3d\uff0c\u539f\u56e0\u662f\u5185\u5b58\u4e0d\u591f\u5f15\u8d77swap\u4ea4\u6362\uff0c\u5f15\u8d77io\u589e\u52a0\uff0c\u5f15\u8d77cpu\u8d44\u6e90\u8017\u5c3d\u3002<\/p>\n
\u3000\u3000\u89e3\u51b3\u65b9\u6cd5\u52a0\u5185\u5b58<\/p>\n
\u4e09\u3000IO\u95ee\u9898<\/p>\n
\u3000\u3000\u3000\u3000\u5173\u6ce8vmstat \u8f93\u51fa\u4e2d\u7684bi bo \uff0c\u8fd9\u4e24\u4e2a\u503c\u4ee3\u8868\u6570\u636e\u5757\u7684\u8bfb\u5199\uff0c\u5982\u679c\u6bd4\u8f83\u5927\uff0c\u5e76\u4e14si so\u6ca1\u6709\u4ec0\u4e48\u53d8\u5316\uff0c\u4ee3\u8868\u6709\u786c\u76d8\u8bfb\u5199\uff0c\u4f46\u662f\u4e0d\u6d89\u53ca\u5230swap\uff0c\u3000\u5e76\u914d\u5408wa\u7684\u8f93\u51fa\u6765\u786e\u8ba4\u662f\u4e0d\u662f\u53d1\u751f\u5927\u91cfio\u7b49\u5f85\u3002\u5982\u679c\u6709\u4ee3\u8868\u662f\u56e0\u4e3a\u786c\u76d8\u8bfb\u5199\u6570\u636e\u8fc7\u6162\uff0c\u5bfc\u81f4iowait\u8fc7\u5927\uff0c\u5177\u4f53\u7684\u8868\u9762\u73b0\u50cf\u662fcpu\u8017\u5c3d\uff0c\u539f\u56e0\u662f\u786c\u76d8\u8bfb\u5199\u8fc7\u591a\uff0c\u592a\u6162\uff0c\u5f15\u8d77io\u589e\u52a0\uff0c\u5f15\u8d77cpu\u8d44\u6e90\u8017\u5c3d\u3002<\/p>\n
\u3000\u3000\u3000\u3000\u89e3\u51b3\u65b9\u6cd5\u3000\u589e\u52a0IO\u80fd\u529b\uff0c\u786c\u76d8\u505araid\u3002<\/p>\n
\u56db\uff1acpu\u95ee\u9898<\/p>\n
\u3000\u3000\u3000\u3000\u67e5\u770bvmstat \u8f93\u51fa\u4e2d\u7684 r,b\u4e24\u5217\uff0c\u770b\u770b\u662f\u5426\u6709\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u548c\u7b49\u5f85\u8fdb\u7a0b\uff0c\u5982\u679c\u6b63\u5728\u8fd0\u884c\u8fdb\u7a0b\u6570\u91cf\u6bd4\u4f60\u7684cpu\u6838\u6570\u591a\uff0c\u8bf4\u660ecpu\u8d85\u8d1f\u8f7d\u4e86\uff0c\u540c\u65f6\u770b\u770bbi bo\u7684\u60c5\u51b5\uff0c\u5982\u679c\u6ca1\u4ec0\u4e48\u6570\u636e\u8bfb\u5199\uff0c\u8bf4\u660e\u6ca1IO\u95ee\u9898\uff0ccpu\u7684\u7eaf\u505a\u8fd0\u7b97\uff0c\u8fd9\u65f6us\uff08\u7528\u6237\u6001\u8fdb\u7a0b\u5360\u7528CPU\u6bd4\u7387\uff09\u7684\u8f93\u51fa\u5e94\u8be5\u4f1a\u6bd4\u8f83\u9ad8\uff0c\u8bf4\u660e\u662fcpu\u4e0d\u591f\u3002<\/p>\n
\u3000\u3000\u3000\u3000\u89e3\u51b3\u65b9\u6cd5\u3000\u589e\u52a0cpu\u3000\u6216\u8005\u6dfb\u52a0\u591a\u673a\u505alvs\u96c6\u7fa4\u3002<\/p>\n
\u4ee5\u4e0a\u53ea\u662f\u8349\u8349\u5206\u6790\uff0c\u771f\u5b9e\u60c5\u51b5\u4f1a\u590d\u6742\u7684\u591a\uff0c\u6bd4\u5982\u3000\u53d1\u73b0\u662fio\u3000\u8fd8\u8981cat \/proc\/diskstats \u786e\u5b9a\u662f\u54ea\u4e2a\u5206\u533a\u8bfb\u5199\u591a\uff0cIOPS\u662f\u5426\u8d85\u8fc7\u786c\u76d8\u7684\u80fd\u529b\uff0ctop \u548cfuser\u770b\u54ea\u4e2a\u5e94\u7528\u7a0b\u5e8f\u8bfb\uff0c\u770b\u5e94\u7528\u65e5\u5fd7\u7a0b\u5e8f\u65e5\u5fd7\u548c\u7cfb\u7edf\u65e5\u5fd7\u6216\u8005strace\u770b\u5728\u8bfb\u4ec0\u4e48\u4e1c\u897f\u3000\uff0c\u7136\u540e\u505a\u76f8\u5e94\u4f18\u5316\u3002<\/p>\n
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