{"id":1148,"date":"2021-02-26T14:16:58","date_gmt":"2021-02-26T06:16:58","guid":{"rendered":"http:\/\/www.rain1024.com\/?p=1148"},"modified":"2023-08-07T20:57:24","modified_gmt":"2023-08-07T12:57:24","slug":"%e5%af%b9%e4%ba%8emysql%ef%bc%8credis%ef%bc%8ckafka%ef%bc%8czookeeper%e7%a3%81%e7%9b%98%e7%bc%93%e5%ad%98%e6%8a%80%e6%9c%af%e4%bd%bf%e7%94%a8%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/rain1024.com\/index.php\/2021\/02\/26\/%e5%af%b9%e4%ba%8emysql%ef%bc%8credis%ef%bc%8ckafka%ef%bc%8czookeeper%e7%a3%81%e7%9b%98%e7%bc%93%e5%ad%98%e6%8a%80%e6%9c%af%e4%bd%bf%e7%94%a8%e5%88%86%e6%9e%90\/","title":{"rendered":"\u5bf9\u4e8emysql\uff0credis\uff0cKafka\uff0czookeeper\u78c1\u76d8\u7f13\u5b58\u6280\u672f\u4f7f\u7528\u5206\u6790"},"content":{"rendered":"

\u5bf9\u4e8emysql\uff0credis\uff0cKafka\uff0czookeeper\u78c1\u76d8\u7f13\u5b58\u6280\u672f\u4f7f\u7528\u5206\u6790<\/h1>\n

\u5927\u90e8\u5206\u7ec4\u4ef6\u662f\u57fa\u4e8e\u78c1\u76d8\u5b58\u50a8\u7684\uff0c\u4f46\u7531\u4e8eCPU\u901f\u5ea6\u548c\u78c1\u76d8\u901f\u5ea6\u4e4b\u95f4\u7684\u9e3f\u6c9f\uff0c\u90fd\u4f1a\u4f7f\u7528\u7f13\u5b58\u6280\u672f\u6765\u63d0\u9ad8\u6027\u80fd\uff0c\u7f13\u5b58\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u4e00\u5757\u5185\u5b58\u533a\u57df\uff0c\u9996\u5148\u5c06\u4ece\u78c1\u76d8\u8bfb\u5230\u7684\u6570\u636e\u653e\u5728\u7f13\u5b58\u4e2d\uff0c\u4e4b\u540e\u67e5\u8be2\u6216\u4fee\u6539\u65f6\u76f4\u63a5\u64cd\u4f5c\u7f13\u5b58\uff0c\u5bf9\u4e8e\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u5219\u4ee5\u4e00\u5b9a\u7684\u9891\u7387\u5237\u65b0\u5230\u78c1\u76d8\u4e0a\uff0c\u600e\u6837\u7f13\u5b58\uff0c\u7f13\u5b58\u591a\u5c11\uff0c\u4f55\u65f6\u5237\u65b0\uff0c\u8fd9\u4e9b\u5f71\u54cd\u7740\u6574\u4e2a\u7ec4\u4ef6\u7684\u6027\u80fd\u3002\u5728\u770b\u8fc7\u4e00\u4e9b\u5173\u4e8emysql\u7b49\u7ec4\u4ef6\u7684\u67b6\u6784\u539f\u7406\u540e\uff0c\u4f1a\u53d1\u73b0\u4e0d\u8bba\u662f\u57fa\u4e8e\u78c1\u76d8\u7684mysql\u6570\u636e\u5e93\u548cKafka\u6d88\u606f\u4e2d\u95f4\u4ef6zookeeper\u5206\u5e03\u5f0f\u534f\u8c03\u6846\u67b6\uff0c\u8fd8\u662f\u57fa\u4e8e\u5185\u5b58\u7684redis\u6570\u636e\u5e93\uff0c\u5b83\u4eec\u90fd\u8bbe\u8ba1\u4e86\u5b8c\u5584\u7684\u5185\u5b58\u548c\u78c1\u76d8\u4e4b\u95f4\u6570\u636e\u4ea4\u4e92\u5b9e\u73b0\u3002\u5728\u5feb\u901f\u8bfb\u53d6\u6570\u636e\u548c\u6301\u4e45\u5316\u4fdd\u5b58\u6570\u636e\u4e2d\u505a\u51fa\u5e73\u8861\u3002\u7f13\u5b58\u8fd8\u6709\u7a7a\u95f4\u548c\u65f6\u95f4\u8bfb\u53d6\u89c4\u5219\uff0c\u4ece\u7a7a\u95f4\u89d2\u5ea6\u70ed\u70b9\u6570\u636e\u76f8\u90bb\u533a\u57df\u7684\u6570\u636e\u4e0d\u4e45\u4e4b\u540e\u4e5f\u4f1a\u88ab\u8bbf\u95ee\uff0c\u4ece\u65f6\u95f4\u89d2\u5ea6\u70ed\u70b9\u6570\u636e\u7b2c\u4e00\u6b21\u8bbf\u95ee\u540e\u8fd8\u4f1a\u88ab\u7ee7\u7eed\u8bbf\u95ee\u5230\u3002<\/p>\n

mysql\u78c1\u76d8\u7f13\u5b58\uff08\u4ec5\u5728\u4f7f\u7528Innodb\u5f15\u64ce\u4e0b\uff09<\/h2>\n

\u5206\u6790mysql\u5c06\u54ea\u4e9b\u6570\u636e\u8fdb\u884c\u7f13\u5b58\u65f6\uff0c\u53ef\u4ee5\u627e\u5230\u5b83\u7684\u6839\u6e90\u6765\u770b\uff0c\u5373mysql\u4e2dinnodb\u5f15\u64ce\u7684\u7f13\u5b58\u6c60\u3002<\/p>\n

\"image-20210225153500575\"<\/p>\n

\u5f53\u7136innodb\u4e2d\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u8fd9\u6837\u7684\u7f13\u5b58\u6c60\u5b9e\u4f8b\uff0c\u4ece\u800c\u589e\u52a0\u6570\u636e\u5e93\u7684\u5e76\u53d1\u80fd\u529b\uff0c\u7f13\u5b58\u6c60\u7684\u5927\u5c0f\u662f\u53ef\u4ee5\u914d\u7f6e\u7684\uff0c\u7f13\u5b58\u6c60\u4e2d\u6bcf\u4e2a\u9875\u7684\u5927\u5c0f\u4e3a16KB\uff0c\u901a\u8fc7LRU\u7b97\u6cd5\u6765\u7ba1\u7406\u7f13\u5b58\u6c60\uff0c\u5f53LRU\u5217\u8868\u4e2d\u7684\u9875\u88ab\u4fee\u6539\u540e\uff0c\u56e0\u4e3a\u4e0e\u78c1\u76d8\u4e2d\u7684\u6570\u636e\u4ea7\u751f\u4e0d\u4e00\u81f4\u5c06\u8be5\u9875\u79f0\u4e3a\u810f\u9875\uff0c\u8fd9\u662f\u6570\u636e\u5e93\u4f1a\u901a\u8fc7CHECKPOINT\u673a\u5236\u5c06\u810f\u9875\u5237\u56de\u78c1\u76d8\uff0c\u810f\u9875\u4e5f\u4f1a\u5b58\u5728\u4e0eFlush\u5217\u8868\u4e2d\uff0cFlush\u4e0eLRU\u5217\u8868\u4e92\u4e0d\u5f71\u54cd\uff0cLRU\u5217\u8868\u7ba1\u7406\u7f13\u5b58\u6c60\u4e2d\u9875\u7684\u53ef\u7528\u6027\uff0c\u800cFlush\u5217\u8868\u7ba1\u7406\u9875\u5237\u65b0\u56de\u78c1\u76d8\uff0c\u810f\u9875\u6570\u91cf\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u6765\u67e5\u8be2\u3002<\/p>\n

\u4e0b\u9762\u9700\u8981\u5173\u6ce8\u7684\u662f\u4e0e\u78c1\u76d8\u6587\u4ef6\u76f8\u5173\u8054\u7684\u7f13\u5b58<\/p>\n

\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58<\/h3>\n

\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u4e3ainnodb\u5f15\u64ce\u72ec\u6709\uff0c\u5176\u5bf9\u5e94\u7740reco log\u6587\u4ef6\uff0c\u9ed8\u8ba4\u4e3a8MB\uff0c\u56e0\u4e3a\u4e00\u822c\u60c5\u51b5\u4e0b\u6bcf\u79d2\u949f\u4f1a\u5c06\u91cd\u505a\u65e5\u5fd7\u5237\u65b0\u5230\u65e5\u5fd7\u6587\u4ef6\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u8bbe\u7f6e\u7684\u592a\u5927\uff0c\u901a\u5e38\u5728\u4ee5\u4e0b\u4e09\u79cd\u60c5\u51b5\u4e0b\u4f1a\u5c06\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u4e2d\u7684\u5185\u5bb9\u5237\u65b0\u5230\u78c1\u76d8\u4e0a\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002<\/p>\n

    \n
  1. Master Thread\u6bcf\u79d2\u949f\u5c06\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u5237\u65b0\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6<\/li>\n
  2. \u6bcf\u4e2a\u4e8b\u52a1\u63d0\u4ea4\u65f6\u4f1a\u5c06\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u5237\u65b0\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6(\u7531innodb_flush_log_at_trx_commit\u63a7\u5236)<\/li>\n
  3. \u5f53\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u5269\u4f59\u7a7a\u95f4\u5c0f\u4e8e1\/2\u65f6\uff0c\u5c06\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u5237\u65b0\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6<\/li>\n<\/ol>\n

    \u56e0\u4e3a\u7f13\u5b58\u548c\u78c1\u76d8\u6570\u636e\u4e0d\u53ef\u80fd\u5b9e\u65f6\u4fdd\u6301\u4e00\u81f4\uff0c\u4e3a\u4e86\u9632\u6b62\u6570\u636e\u4e22\u5931\uff0c\u5f53\u524d\u4e8b\u52a1\u6570\u636e\u5e93\u90fd\u666e\u904d\u91c7\u7528Write ahead log\u7b56\u7565\uff0c\u5373\u5f53\u4e8b\u52a1\u63d0\u4ea4\u65f6\u5148\u5199\u91cd\u505a\u65e5\u5fd7\uff0c\u518d\u4fee\u6539\u9875\uff0c\u5f53\u53d1\u751f\u5b95\u673a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u65e5\u5fd7\u6765\u8fdb\u884c\u6570\u636e\u6062\u590d\uff0c\u4fdd\u8bc1\u4e86\u4e8b\u52a1\u4e2d\u6301\u4e45\u6027\u7684\u8981\u6c42\u3002\u4e3a\u5f97\u5230\u9ad8\u53ef\u9760\u6027\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u955c\u50cf\u65e5\u5fd7\u7ec4\u3002<\/p>\n

    \u6570\u636e\u9875\u7d22\u5f15\u9875\u7f13\u5b58<\/h3>\n

    \u8fd9\u91cc\u7528\u5230\u4e86innodb\u5f15\u64ce\u7684\u5173\u952e\u7279\u6027\uff0c\u63d2\u5165\u7f13\u5b58\uff08Insert\/Change Buffer\uff09\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\uff0cInnodb\u5bf9\u6bcf\u5f20\u8868\u90fd\u8bbe\u7f6e\u4e86\u4e3b\u952e\uff0c\u4e3b\u952e\u662f\u884c\u7684\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u901a\u5e38\u884c\u8bb0\u5f55\u7684\u63d2\u5165\u987a\u5e8f\u4e5f\u662f\u5b89\u88c5\u4e3b\u952e\u9012\u589e\u7684\u987a\u5e8f\u8fdb\u884c\u63d2\u5165\uff0c\u56e0\u6b64\u63d2\u5165\u805a\u96c6\u7d22\u5f15\u4e00\u822c\u4e0d\u9700\u8981\u968f\u673a\u8bfb\u53d6\uff0c\u4f46\u8868\u4e2d\u8fd8\u4f1a\u5b58\u5728\u591a\u4e2a\u975e\u805a\u96c6\u7684\u8f85\u52a9\u7d22\u5f15\uff0c\u5f53\u8fdb\u884c\u63d2\u5165\u65f6\uff0c\u6570\u636e\u9875\u7684\u5b58\u653e\u8fd8\u662f\u6309\u805a\u96c6\u7d22\u5f15\u6765\u987a\u5e8f\u5b58\u653e\uff0c\u800c\u5bf9\u4e8e\u7d22\u5f15\u9875\u4e2d\u975e\u805a\u96c6\u7684\u8f85\u52a9\u7d22\u5f15\u9875\u66f4\u65b0\u5b58\u5728\u79bb\u6563\u8bbf\u95ee\uff0c\u8fd9\u6837\u968f\u673a\u7684\u8bfb\u53d6\u4f1a\u5bfc\u81f4\u6027\u80fd\u7684\u4e0b\u964d\uff0c\u6240\u4ee5\u4f7f\u7528Insert Buffer\u6765\u5bf9\u8f85\u52a9\u7d22\u5f15\u8fdb\u884c\u7f13\u5b58\uff0c\u518d\u6839\u636e\u4e00\u5b9a\u9891\u7387\u4e0e\u8f85\u52a9\u7d22\u5f15\u9875\u8fdb\u884cmerge\u5408\u5e76\u3002<\/p>\n

    \u4e8c\u8fdb\u5236\u65e5\u5fd7\u7f13\u5b58\uff08binary log\uff09<\/h3>\n

    \u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\u4e86\u5bf9mysql\u6570\u636e\u5e93\u6267\u884c\u66f4\u6539\u7684\u6240\u6709\u64cd\u4f5c\uff0c\u4f46\u4e0d\u5305\u542b\u5bf9\u6570\u636e\u5e93\u672c\u8eab\u6ca1\u6709\u4fee\u6539\u7684\u64cd\u4f5c\uff0c\u5982select\u548cshow\uff0c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7528\u4e8e\u6570\u636e\u5e93\u7684\u6062\u590d\uff0c\u4e3b\u4ece\u6570\u636e\u540c\u6b65\u7684\u590d\u5236\uff0c\u5bf9\u65e5\u5fd7\u4e2d\u7684\u4fe1\u606f\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1\u3002<\/p>\n

    \u6ce8\u610f\uff0c\u5f53\u4f7f\u7528\u4e8b\u52a1\u7684\u8868\u5b58\u50a8\u5f15\u64ce\u65f6\uff0c\u6240\u6709\u672a\u63d0\u4ea4\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4f1a\u88ab\u8bb0\u5f55\u5230\u7f13\u5b58\u4e2d\uff0c\u7b49\u4e8b\u52a1\u63d0\u4ea4\u65f6\u5c06\u7f13\u5b58\u4e2d\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5199\u5165\u5230\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0cbinlog_cache_size\u662f\u57fa\u4e8e\u4f1a\u8bdd\u800c\u4e0d\u662f\u5168\u5c40\u7684\uff0c\u9ed8\u8ba4\u5927\u5c0f32K\u3002<\/p>\n

    \u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u4e0d\u662f\u6bcf\u6b21\u5199\u7684\u65f6\u5019\u90fd\u4f1a\u540c\u6b65\u5230\u78c1\u76d8\uff0c\u9700\u8981\u8bbe\u7f6esync_binlog\u503c\u6765\u8fdb\u884c\u8c03\u6574\uff0c\u9ed8\u8ba4\u503c\u4e3a0\uff0c\u8868\u793aMySQL\u4e0d\u63a7\u5236binlog\u7684\u5237\u65b0\uff0c\u7531\u6587\u4ef6\u7cfb\u7edf\u81ea\u5df1\u63a7\u5236\u5b83\u7684\u7f13\u5b58\u7684\u5237\u65b0\u3002\u8fd9\u65f6\u5019\u7684\u6027\u80fd\u662f\u6700\u597d\u7684\u3002<\/p>\n

    Undo\u65e5\u5fd7\u7f13\u5b58<\/h3>\n

    undo\u662f\u903b\u8f91\u65e5\u5fd7\uff0c\u6839\u636e\u6bcf\u884c\u8bb0\u5f55\u6765\u8fdb\u884c\u8bb0\u5f55\uff0c\u7528\u6765\u5e2e\u52a9\u4e8b\u52a1\u56de\u6eda\u53caMVCC\u7684\u529f\u80fd\u5b9e\u73b0\u975e\u9501\u5b9a\u8bfb\u53d6\uff0cundo\u65e5\u5fd7\u5b58\u653e\u4e8e\u5171\u4eab\u8868\u7a7a\u95f4\u91cc\uff0c\u901a\u8fc7\u5168\u5c40\u52a8\u6001\u53c2\u6570innodb_purge_batch_size\u6765\u8bbe\u7f6e\u6bcf\u6b21purge\u9700\u8981\u6e05\u7406\u7684undo page\u6570\u91cf\uff0c\u9ed8\u8ba4\u4e3a300.<\/p>\n

    \u4f46\u51e1\u7528\u4e86\u7f13\u5b58\u80af\u5b9a\u9700\u8981\u5237\u56de\u78c1\u76d8\uff0c\u800c\u5237\u56de\u78c1\u76d8\u7684\u64cd\u4f5c\u7531\u54ea\u4e9b\u7ebf\u7a0b\u6765\u8fdb\u884c\uff0c\u4e00\u6b65\u6b65\u6765\u5c31\u80fd\u53d1\u73b0mysql\u540e\u53f0\u4e3b\u8981\u6709\u4ee5\u4e0b\u56db\u79cd\u7ebf\u7a0b\u3002<\/p>\n

    Master Thread\uff1a\u4e3b\u8981\u8d1f\u8d23\u5c06\u7f13\u5b58\u6c60\u4e2d\u7684\u6570\u636e\u5f02\u6b65\u5237\u65b0\u5230\u78c1\u76d8\u4e2d\u53bb(\u5305\u62ec\u9875\u5237\u65b0,\u5408\u4e95\u7f13\u5b58\u63d2\u5165, \u56de\u6536undo\u9875<\/p>\n

    IO Thread\uff1a\u4e3b\u8981\u8d1f\u8d23\u8bf7\u6c42\u7684\u56de\u8c03\u5904\u7406\u3002((InnoDB \u4e2d\u8bf7\u6c42\u5927\u91cf\u4f7f\u7528\u4e86A,\u63d0\u9ad8\u5904\u7406\u6027 ) write , read , insert buffer , log IO thread .<\/p>\n

    Purge Thread\uff1a\u4e8b\u52a1\u88ab\u63d0\u4ea4\u540e\uff0c\u6240\u9700undolog\u53ef\u80fd\u4e0d\u4f7f\u7528\uff0c\u7528\u6765\u56de\u6536undo\u9875<\/p>\n

    Page Cleaner Thread\uff1a\u7528\u6765\u5237\u65b0\u810f\u9875<\/p>\n

    \u4ee5\u4e0a\u4fbf\u662fmysql\u6d89\u53ca\u5230\u7f13\u5b58\u548c\u78c1\u76d8\u76f8\u5173\u8054\u7684\u6570\u636e\u66f4\u65b0\u60c5\u51b5\uff0c\u4e3b\u8981\u5305\u542b\u56db\u79cd\u65e5\u5fd7\u548c\u6570\u636e\u7684\u540c\u6b65\u3002<\/p>\n

    Redis\u78c1\u76d8\u7f13\u5b58<\/h2>\n

    \u4e25\u683c\u610f\u4e49\u6765\u8bf4\uff0credis\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u8fd8\u662f\u4e0d\u540c\u7684\uff0credis\u539f\u751f\u5c31\u652f\u6301\u5728\u5185\u5b58\u4e2d\u4f7f\u7528\uff0c\u800c\u5c06\u6570\u636e\u5b58\u653e\u5230\u78c1\u76d8\u4e2d\u53cd\u800c\u662f\u53ef\u4ee5\u914d\u7f6e\u7684\uff0c\u5e76\u975e\u4e00\u5b9a\u9700\u8981\u5c06\u6570\u636e\u6301\u4e45\u5316\uff0credis\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u7f13\u5b58\u6570\u636e\uff0c\u6240\u4ee5\u6570\u636e\u7684\u6301\u4e45\u4fdd\u5b58\u5e94\u8be5\u7531\u540e\u7aef\u6570\u636e\u5e93\u6765\u505a\uff0c\u4e1a\u52a1\u7684\u573a\u666f\u4e5f\u5e94\u8be5\u662f\u5148\u67e5redis\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u518d\u53bb\u6570\u636e\u5e93\u4e2d\u67e5\u627e\uff0c\u8fc7\u4e8e\u4f9d\u8d56redis\u7684\u6570\u636e\u6301\u4e45\u5316\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6570\u636e\u8fd4\u56de\u4e0d\u4e00\u81f4\u3002<\/p>\n

    redis \u7684\u6301\u4e45\u5316\u673a\u5236\u6709\u4e24\u79cd\uff0c\u7b2c\u4e00\u79cd\u662f\u5feb\u7167\uff0c\u7b2c\u4e8c\u79cd\u662f AOF \u65e5\u5fd7\u3002\u5feb\u7167\u662f\u4e00\u6b21\u5168\u91cf\u5907\u4efd\uff0cAOF \u65e5\u5fd7\u662f\u8fde\u7eed\u7684\u589e\u91cf\u5907\u4efd\uff0c\u8fd9\u4e0e\u4e4b\u540e\u8981\u8bf4zookeeper\u6709\u70b9\u7c7b\u4f3c\u3002\u5feb\u7167\u662f\u5185\u5b58\u6570\u636e\u7684\u4e8c\u8fdb\u5236\u5e8f\u5217\u5316\u5f62\u5f0f\uff0c\u800cAOP\u65e5\u5fd7\u8bb0\u5f55\u7684\u662f\u5185\u5b58\u6570\u636e\u4fee\u6539\u7684\u6307\u4ee4\u8bb0\u5f55\u6587\u672c\uff0cAOP\u65e5\u5fd7\u5728\u957f\u671f\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u9010\u6e10\u53d8\u5927\uff0c\u6240\u4ee5\u4e5f\u4f1a\u4e0d\u65ad\u8fdb\u884c\u8986\u76d6\u3002\u5feb\u7167\u53ef\u4ee5\u914d\u7f6e\u9891\u7387\uff0c\u201csave * \u201d\uff1a\u4fdd\u5b58\u5feb\u7167\u7684\u9891\u7387\uff0c\u7b2c\u4e00\u4e2a<\/em>\u8868\u793a\u591a\u957f\u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u79d2\uff0c\u7b2c\u4e8c\u4e2a\u201c*\u201d\u8868\u793a\u81f3\u5c11\u6267\u884c\u5199\u64cd\u4f5c\u7684\u6b21\u6570\uff0c\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u81f3\u5c11\u6267\u884c\u4e00\u5b9a\u6570\u91cf\u7684\u5199\u64cd\u4f5c\u65f6\uff0c\u5c31\u81ea\u52a8\u4fdd\u5b58\u5feb\u7167\uff0c\u53ef\u8bbe\u7f6e\u591a\u4e2a\u6761\u4ef6\u3002<\/p>\n

    AOP\u65e5\u5fd7<\/h3>\n

    redis\u5728\u6536\u5230\u5ba2\u6237\u7aef\u6307\u4ee4\uff0c\u7ecf\u8fc7\u6821\u9a8c\u540e\u4f1a\u5c06\u8be5\u6307\u4ee4\u5b58\u50a8\u5230AOF\u65e5\u5fd7\u4e2d\uff0c\u518d\u53bb\u6267\u884c\u6307\u4ee4\uff0c\u4fdd\u8bc1\u5728\u5b95\u673a\u540e\u4e5f\u80fd\u901a\u8fc7AOP\u65e5\u5fd7\u7684\u6307\u4ee4\u91cd\u653e\u6062\u590d\u5230\u5b95\u673a\u524d\u7684\u72b6\u6001\u3002\u5bf9AOP\u65e5\u5fd7\u8fdb\u884c\u5199\u64cd\u4f5c\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u5c06\u5185\u5bb9\u5199\u5230\u4e86\u5185\u6838\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26\u5206\u914d\u7684\u4e00\u4e2a\u5185\u5b58\u7f13\u5b58\u4e2d\uff0c\u7136\u540e\u5185\u6838\u4f1a\u5f02\u6b65\u5c06\u810f\u6570\u636e\u5237\u56de\u78c1\u76d8\u3002linux\u63d0\u4f9bfsync\u6307\u4ee4\u53ef\u4ee5\u6307\u5b9a\u6587\u4ef6\u5f3a\u5236\u4ece\u7f13\u5b58\u4e2d\u5237\u65b0\u5230\u78c1\u76d8\uff0c\u4f46\u5982\u679credis\u5b9e\u65f6\u8c03\u7528fsync\u8fdb\u884c\u65e5\u5fd7\u540c\u6b65\uff0c\u8fd9\u79cd\u78c1\u76d8IO\u64cd\u4f5c\u5c06\u4f1a\u4e25\u91cd\u5f71\u54cdredis\u9ad8\u6027\u80fd\u3002\u4e00\u822credis\u662f\u6bcf\u96941s\u6267\u884c\u4e00\u6b21fsync\u64cd\u4f5c\uff0c\u5468\u671f\u53ef\u4ee5\u914d\u7f6e\uff0c\u6216\u8005\u4e5f\u53ef\u4ee5\u6c38\u4e0d\u6267\u884c\uff0c\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u6765\u8fdb\u884c\u8c03\u5ea6\uff0c\u4e5f\u53ef\u4ee5\u6bcf\u4e2a\u6307\u4ee4\u6267\u884c\u4e00\u6b21\u3002<\/p>\n

    Kafka\u78c1\u76d8\u7f13\u5b58<\/h2>\n

    Kafka\u4e2d\u5927\u91cf\u4f7f\u7528\u4e86\u9875\u7f13\u5b58,\u8fd9\u662fKafka\u5b9e\u73b0\u9ad8\u541e\u5410\u7684\u91cd\u8981\u56e0\u7d20\u4e4b\u4e00 \u3002\u7528\u8fc7Java\u7684\u90fd\u77e5\u9053\u4e24\u70b9\u4e8b\u5b9e\uff1a<\/p>\n

      \n
    1. \u5bf9\u8c61\u7684\u5185\u5b58\u5f00\u9500\u975e\u5e38\u5927\uff0c\u901a\u5e38\u4f1a\u662f\u771f\u5b9e\u6570\u636e\u5927\u5c0f\u7684\u51e0\u500d\u751a\u81f3\u66f4\u591a\uff0c\u7a7a\u95f4\u4f7f\u7528\u7387\u4f4e\u4e0b\u3002<\/p>\n<\/li>\n
    2. \n

      Java\u7684\u5783\u573e\u56de\u6536\u4f1a\u968f\u7740\u5806\u5185\u6570\u636e\u7684\u589e\u591a\u800c\u53d8\u5f97\u8d8a\u6765\u8d8a\u6162\u3002<\/p>\n<\/li>\n<\/ol>\n

      \u57fa\u4e8e\u8fd9\u4e9b\u56e0\u7d20\uff0c\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u5e76\u4f9d\u8d56\u4e8e\u9875\u7f13\u5b58\u7684\u505a\u6cd5\u660e\u663e\u8981\u4f18\u4e8e\u7ef4\u62a4\u4e00\u4e2a\u8fdb\u7a0b\u5185\u7f13\u5b58\u6216\u5176\u4ed6\u7ed3\u6784\uff0c\u81f3\u5c11\u6211\u4eec\u53ef\u4ee5\u7701\u53bb\u4e86\u4e00\u4efd\u8fdb\u7a0b\u5185\u90e8\u7684\u7f13\u5b58\u6d88\u8017\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u901a\u8fc7\u7ed3\u6784\u7d27\u51d1\u7684\u5b57\u8282\u7801\u6765\u66ff\u4ee3\u4f7f\u7528\u5bf9\u8c61\u7684\u65b9\u5f0f\u4ee5\u8282\u7701\u66f4\u591a\u7684\u7a7a\u95f4\u3002\u5982\u6b64,\u6211\u4eec\u53ef\u4ee5\u572832GB\u7684\u673a\u5668\u4e0a\u4f7f\u752828GB\u81f330GB\u7684\u5185\u5b58\u800c\u4e0d\u7528\u62c5\u5fc3GC\u6240\u5e26\u6765\u7684\u6027\u80fd\u95ee\u9898\u3002\u6b64\u5916\uff0c\u5373\u4f7fKafka\u670d\u52a1\u91cd\u542f\uff0c\u9875\u7f13\u5b58\u8fd8\u662f\u4f1a\u4fdd\u6301\u6709\u6548,\u7136\u800c\u8fdb\u7a0b\u5185\u7684\u7f13\u5b58\u5374\u9700\u8981\u91cd\u5efa\u3002\u8fd9\u6837\u4e5f\u6781\u5927\u5730\u7b80\u5316\u4e86\u4ee3\u7801\u903b\u8f91,\u56e0\u4e3a\u7ef4\u62a4\u9875\u7f13\u5b58\u548c\u6587\u4ef6\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\u4ea4\u7531\u64cd\u4f5c\u7cfb\u7edf\u6765\u8d1f\u8d23,\u8fd9\u6837\u4f1a\u6bd4\u8fdb\u7a0b\u5185\u7ef4\u62a4\u66f4\u52a0\u5b89\u5168\u6709\u6548\u3002<\/p>\n

      \u6362\u4e2a\u89d2\u5ea6\u770b\uff0cKafka\u5176\u5b9e\u4e5f\u662f\u4e00\u79cd\u6570\u636e\u5e93\uff0c\u751f\u4ea7\u8005\u5c31\u662f\u5728insert\u6570\u636e\uff0c\u800c\u6d88\u8d39\u8005\u5c31\u662f\u5728select\u6570\u636e\uff0c\u552f\u4e00\u4e0e\u78c1\u76d8\u7f13\u5b58\u8fdb\u884c\u4ea4\u4e92\u5c31\u662fborker\uff0cborker\u5c06\u751f\u4ea7\u7684\u6570\u636e\u76f4\u63a5\u653e\u5230\u7f13\u5b58\u4e2d\uff0c\u5f53\u6d88\u8d39\u6570\u636e\u65f6\u901a\u8fc7\u96f6\u62f7\u8d1d\u6280\u672f\u5c06\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u653e\u5230socket\u8fdb\u884c\u4f20\u8f93\uff0c\u5f53\u7f13\u5b58\u4e2d\u6ca1\u6709\u6240\u9700\u7684\u6570\u636e\u65f6\u624d\u4f1a\u52a0\u8f7d\u78c1\u76d8\u3002Kafka\u7684\u4f7f\u7528\u573a\u666f\u5927\u90e8\u5206\u64cd\u4f5c\u90fd\u662f\u987a\u5e8f\u8bfb\u5199\uff0c\u91c7\u7528\u6587\u4ef6\u8ffd\u52a0\u7684\u65b9\u5f0f\u6765\u5199\u5165\u6d88\u606f\uff0c\u5373\u4f7f\u4f7f\u7528\u78c1\u76d8\uff0c\u6027\u80fd\u4f9d\u65e7\u5f88\u9ad8\u3002<\/p>\n

      Kafka\u628atopic\u4e2d\u6bcf\u4e2aparition\u5927\u6587\u4ef6\u5206\u6210\u591a\u4e2asegment\u5c0f\u6587\u4ef6\u6bb5\uff0c\u7d22\u5f15\u6587\u4ef6\u8d1f\u8d23\u6570\u636e\u7684\u67e5\u627e\uff0cKafka\u7684\u7d22\u5f15\u6587\u4ef6\u4ee5\u7a00\u758f\u7d22\u5f15\u7684\u65b9\u5f0f\u6784\u9020\uff0c\u5206\u4e3a\u504f\u79fb\u91cf\u7d22\u5f15\u548c\u65f6\u95f4\u6233\u7d22\u5f15\uff0c\u7a00\u758f\u7d22\u5f15\u7684\u65b9\u5f0f\u80fd\u591f\u964d\u4f4e\u7d22\u5f15\u5728\u5185\u5b58\u4e2d\u5360\u7528\u7387\u3002<\/p>\n

      Kafka\u53ea\u8d1f\u8d23\u5c06\u6d88\u606f\u5199\u5230\u7cfb\u7edf\u7f13\u5b58\u4e2d\uff0c\u5e76\u4e0d\u4fdd\u8bc1\u810f\u6570\u636e\u4f55\u65f6\u4f1a\u88ab\u5237\u65b0\u5230\u78c1\u76d8\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528l o g . f l u s h . i n t e r v a l .
      \nm e s s a g e s \u3001l o g . f l u s h . i n t e r v a l . m s \u7b49\u53c2\u6570\u6765\u63a7\u5236\uff0cKafka\u6d88\u606f\u7684\u53ef\u9760\u6027\u662f\u4f9d\u8d56\u4e8e\u591a\u526f\u672c\u673a\u5236\uff0c\u800c\u4e0d\u662f\u7531\u540c\u6b65\u5237\u76d8\u8fd9\u79cd\u4e25\u91cd\u5f71\u54cd\u6027\u80fd\u7684\u884c\u4e3a\u6765\u4fdd\u969c\u3002<\/p>\n

      zookeeper\u78c1\u76d8\u7f13\u5b58<\/h2>\n

      zookeeper\u5728\u5185\u5b58\u4e2d\u7ef4\u62a4\u7740\u7c7b\u4f3c\u4e8e\u6811\u5f62\u6587\u4ef6\u7cfb\u7edf\u7684\u8282\u70b9\u6570\u636e\u6a21\u578b\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u6574\u68f5\u6811\u7684\u5185\u5bb9\uff0c\u6240\u6709\u7684\u8282\u70b9\u8def\u5f84\uff0c\u8282\u70b9\u6570\u636e\u7b49\u3002\u4ee3\u7801\u4e2d\u4f7f\u7528DataTree\u7684\u6570\u636e\u7ed3\u6784\u6765\u4fdd\u5b58\u8fd9\u4e9b\u4fe1\u606f\uff0c\u5e95\u5c42\u662f\u4f7f\u7528\u4e00\u4e2aConcurrentHashMap\u952e\u503c\u5bf9\u7ed3\u6784\uff0c\u65e2\u7136\u5728\u5185\u5b58\u4e2d\u6709\u6570\u636e\u5fc5\u7136\u9700\u8981\u5728\u78c1\u76d8\u4e0a\u6709\u5bf9\u5e94\u7684\u6301\u4e45\u5316\uff0c\u7c7b\u4f3c\u4e8eredis\uff0czookeeper\u4e2d\u4e5f\u5206\u4e3a\u4e8b\u52a1\u65e5\u5fd7\u548c\u5feb\u7167\u6570\u636e\u3002<\/p>\n

      \u4e8b\u52a1\u65e5\u5fd7<\/h3>\n

      \u5b58\u653e\u4e8edataLogDir\u914d\u7f6e\u7684\u8def\u5f84\u4e0b\uff0c\u9ed8\u8ba4\u5b58\u653e\u5728dataDir\uff0c\u4f7f\u7528\u65e5\u5fd7\u4e2d\u7b2c\u4e00\u6761\u4e8b\u52a1\u8bb0\u5f55\u7684ZXID\u547d\u540d\uff0c\u4e8b\u52a1\u65e5\u5fd7\u6bcf\u4e2a\u6587\u4ef6\u90fd\u662f64MB\uff0c\u56e0\u4e3aZooKeeper \u5bf9\u4e8b\u52a1\u65e5\u5fd7\u6587\u4ef6\u7684\u78c1\u76d8\u7a7a\u95f4\u8fdb\u884c\u9884\u5206\u914d\uff0c\u5ba2\u6237\u7aef\u7684\u6bcf\u4e00\u6b21\u4e8b\u52a1\u64cd\u4f5c,ZooKeeper \u90fd\u4f1a\u5c06\u5176\u5199\u5165\u4e8b\u52a1\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002\u56e0\u6b64,\u4e8b\u52a1\u65e5\u5fd7\u7684\u5199\u5165\u6027\u80fd\u76f4\u63a5\u51b3\u5b9a\u4e86ZooKeeper \u670d\u52a1\u5668\u5bf9\u4e8b\u52a1\u8bf7\u6c42\u7684\u54cd\u5e94\uff0c\u6587\u4ef6\u7684\u4e0d\u65ad\u8ffd\u52a0\u5199\u5165\u64cd\u4f5c\u4f1a\u89e6\u53d1\u5e95\u5c42\u78c1\u76d8IO\u4e3a\u6587\u4ef6\u5f00\u8f9f\u65b0\u7684\u78c1\u76d8\u5757\uff0c\u4e3a\u4e86\u907f\u514d\u78c1\u76d8Seek\u7684\u9891\u7387,\u63d0\u9ad8\u78c1\u76d8IO\u7684\u6548\u7387\uff0c\u9884\u5148\u8fdb\u884c\u78c1\u76d8\u7a7a\u95f4\u5206\u914d\u3002\u5f53\u4e8b\u52a1\u64cd\u4f5c\u5199\u5165\u6587\u4ef6\u6d41\u7684\u7f13\u5b58\u4e2d\uff0c\u9700\u8981\u5c06\u7f13\u5b58\u6570\u636e\u5f3a\u5236\u5237\u5165\u78c1\u76d8\uff0c\u8fd9\u91cc\u53ef\u4ee5\u901a\u8fc7forceSync\u53c2\u6570\u6765\u914d\u7f6e\uff0cforceSync=yes\u5219\u6bcf\u6b21\u4e8b\u52a1\u63d0\u4ea4\u7684\u65f6\u5019\u5c06\u5199\u5165\u64cd\u4f5c\u540c\u6b65\u7f13\u5b58\u5e76\u5237\u76d8\uff0cforceSync=no\u8868\u793a\u8ba9\u7cfb\u7edf\u6765\u8c03\u5ea6\u5237\u76d8\u9891\u7387\u3002<\/p>\n

      \n zookeeper\u66f4\u65b0\u64cd\u4f5c\u8fc7\u7a0b\uff1a\u5148\u5199\u4e8b\u52a1\u65e5\u5fd7\uff0c\u518d\u5199\u5185\u5b58\uff0c\u5468\u671f\u6027\u843d\u5230\u78c1\u76d8\uff08\u5237\u65b0\u5185\u5b58\u5230\u5feb\u7167\u6587\u4ef6\uff09\u3002\u4e8b\u52a1\u65e5\u5fd7\u7684\u5bf9\u5199\u8bf7\u6c42\u7684\u6027\u80fd\u5f71\u54cd\u5f88\u5927\uff0c\u5feb\u7167\u6587\u4ef6\u548c\u4e8b\u52a1\u65e5\u5fd7\u6587\u4ef6\u5206\u522b\u6302\u5728\u4e0d\u540c\u78c1\u76d8\uff0c\u4fdd\u8bc1dataLogDir\u6240\u5728\u78c1\u76d8\u6027\u80fd\u826f\u597d\u3001\u6ca1\u6709\u7ade\u4e89\u8005\u3002\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

      \u5927\u90e8\u5206\u7ec4\u4ef6\u662f\u57fa\u4e8e\u78c1\u76d8\u5b58\u50a8\u7684\uff0c\u4f46\u7531\u4e8eCPU\u901f\u5ea6\u548c\u78c1\u76d8\u901f\u5ea6\u4e4b\u95f4\u7684\u9e3f\u6c9f\uff0c\u90fd\u4f1a\u4f7f\u7528\u7f13\u5b58\u6280\u672f\u6765\u63d0\u9ad8\u6027\u80fd\uff0c\u7f13\u5b58\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u4e00\u5757\u5185\u5b58\u533a\u57df\uff0c\u9996\u5148\u5c06\u4ece\u78c1\u76d8\u8bfb\u5230\u7684\u6570\u636e\u653e\u5728\u7f13\u5b58\u4e2d\uff0c\u4e4b\u540e\u67e5\u8be2\u6216\u4fee\u6539\u65f6\u76f4\u63a5\u64cd\u4f5c\u7f13\u5b58\uff0c\u5bf9\u4e8e\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u5219\u4ee5\u4e00\u5b9a\u7684\u9891\u7387\u5237\u65b0\u5230\u78c1\u76d8\u4e0a\uff0c\u600e\u6837\u7f13\u5b58\uff0c\u7f13\u5b58\u591a\u5c11\uff0c\u4f55\u65f6\u5237\u65b0\uff0c\u8fd9\u4e9b\u5f71\u54cd\u7740\u6574\u4e2a\u7ec4\u4ef6\u7684\u6027\u80fd\u3002\u5728\u770b\u8fc7\u4e00\u4e9b\u5173\u4e8emysql\u7b49\u7ec4\u4ef6\u7684\u67b6\u6784\u539f\u7406\u540e\uff0c\u4f1a\u53d1\u73b0\u4e0d\u8bba\u662f\u57fa\u4e8e\u78c1\u76d8\u7684mysql\u6570\u636e\u5e93\u548cKafka\u6d88\u606f\u4e2d\u95f4\u4ef6zookeeper\u5206\u5e03\u5f0f\u534f\u8c03\u6846\u67b6\uff0c\u8fd8\u662f\u57fa\u4e8e\u5185\u5b58\u7684redis\u6570\u636e\u5e93\uff0c\u5b83\u4eec\u90fd\u8bbe\u8ba1\u4e86\u5b8c\u5584\u7684\u5185\u5b58\u548c\u78c1\u76d8\u4e4b\u95f4\u6570\u636e\u4ea4\u4e92\u5b9e\u73b0\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,7],"tags":[],"class_list":["post-1148","post","type-post","status-publish","format-standard","hentry","category-java","category-kafka-hadoop"],"_links":{"self":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/comments?post=1148"}],"version-history":[{"count":1,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1148\/revisions"}],"predecessor-version":[{"id":1347,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1148\/revisions\/1347"}],"wp:attachment":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media?parent=1148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/categories?post=1148"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/tags?post=1148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}