{"id":200735,"date":"2025-05-06T14:32:34","date_gmt":"2025-05-06T06:32:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200735\/"},"modified":"2025-05-06T14:32:34","modified_gmt":"2025-05-06T06:32:34","slug":"%e5%9b%9e%e8%a1%a8%e6%9f%a5%e8%af%a2%e4%b8%ba%e4%bb%80%e4%b9%88%e6%98%af%e9%9a%8f%e6%9c%ba-i-o%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200735\/","title":{"rendered":"\u56de\u8868\u67e5\u8be2\u4e3a\u4ec0\u4e48\u662f\u968f\u673a I\/O\uff1f"},"content":{"rendered":"

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\u56de\u8868\u67e5\u8be2\u4e3a\u4ec0\u4e48\u662f\u968f\u673a I\/O\uff1f <\/h1>\n

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<\/p>\n

\u56de\u8868\u67e5\u8be2\u4e3a\u4f55\u662f\u968f\u673a I\/O<\/strong><\/p>\n

\u5f88\u591a\u4eba\u8bef\u4ee5\u4e3a\u56de\u8868\u67e5\u8be2\u662f\u987a\u5e8f I\/O\uff0c\u56e0\u4e3a\u6211\u4eec\u5df2\u77e5\u6240\u67e5\u8bb0\u5f55\u7684\u4e3b\u952e\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9a\u4f4d\u5230\u5bf9\u5e94\u8bb0\u5f55\u7684\u78c1\u76d8\u4f4d\u7f6e\u3002\u4f46\u5b9e\u9645\u4e0a\u8fd9\u662f\u9519\u8bef\u7684\u3002<\/p>\n

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\u4ee5 MySQL Innodb \u4e3a\u4f8b\uff0c\u6bcf\u4e2a\u9875\u7684\u5927\u5c0f\u4e3a 16KB\uff0c\u800c\u9875\u5728\u786c\u76d8\u4e0a\u7684\u4f4d\u7f6e\u662f\u968f\u673a\u7684\u3002\u5f53\u9700\u8981\u8de8\u9875\u67e5\u8be2\u65f6\uff0c\u78c1\u5934\u9700\u8981\u8fdb\u884c\u591a\u6b21\u5b9a\u4f4d\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u6d89\u53ca\u591a\u4e2a\u9875\u7684\u67e5\u8be2\u88ab\u8ba4\u4e3a\u662f\u968f\u673a I\/O\u3002<\/p>\n

\u76f8\u6bd4\u4e4b\u4e0b\uff0cHbase \u7684\u9875\u5927\u5c0f\u4e3a 64MB\uff0c\u6bd4 MySQL \u5927\u4e86 4000 \u500d\u3002Hbase \u4f7f\u7528 LSM \u6811\uff0c\u8fd9\u79cd\u6570\u636e\u7ed3\u6784\u5145\u5206\u5229\u7528\u4e86\u786c\u76d8\u7684\u987a\u5e8f\u8bfb\u5199\u7279\u6027\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n

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