{"id":990,"date":"2017-09-27T11:40:26","date_gmt":"2017-09-27T03:40:26","guid":{"rendered":"http:\/\/www.siediyer.cn\/?p=990"},"modified":"2017-09-27T11:40:26","modified_gmt":"2017-09-27T03:40:26","slug":"mysql-4-15-05-15-55-65-7%e5%90%84%e7%89%88%e6%9c%ac%e7%9a%84%e4%b8%bb%e8%a6%81%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.siediyer.cn\/?p=990","title":{"rendered":"MySQL 4.1\/5.0\/5.1\/5.5\/5.6\/5.7\u5404\u7248\u672c\u7684\u4e3b\u8981\u533a\u522b"},"content":{"rendered":"<pre class=\"lang:default decode:true \">mysql\u768450\u7248\u672c\u548c51\u7248\u672c\u7684\u533a\u522b\uff1a\r\n\u4e00\u30015.0 \u589e\u52a0\u4e86Stored procedures\u3001Views\u3001Cursors\u3001Triggers\u3001XA transactions\u7684\u652f\u6301\uff0c\u589e\u52a0\u4e86INFORATION_SCHEMA\u7cfb\u7edf\u6570\u636e\u5e93\u3002 \r\n\u4e8c\u30015.1 \u589e\u52a0\u4e86Event scheduler\uff0cPartitioning\uff0cPluggable storage engine API \uff0cRow-based replication\u3001Global\u7ea7\u522b\u52a8\u6001\u4fee\u6539general query log\u548cslow query log\u7684\u652f\u6301\u3002 \r\n\r\nMySQL 4.1\/5.0\/5.1\/5.5\/5.6\u5404\u7248\u672c\u7684\u4e3b\u8981\u533a\u522b \r\n\r\n1\u30014.1 \u589e\u52a0\u4e86\u5b50\u67e5\u8be2\u7684\u652f\u6301\uff0c\u5b57\u7b26\u96c6\u589e\u52a0UTF-8\uff0cGROUP BY\u8bed\u53e5\u589e\u52a0\u4e86ROLLUP\uff0cmysql.user\u8868\u91c7\u7528\u4e86\u66f4\u597d\u7684\u52a0\u5bc6\u7b97\u6cd5\u3002 \r\n\r\n2\u30015.0 \u589e\u52a0\u4e86Stored procedures\u3001Views\u3001Cursors\u3001Triggers\u3001XA transactions\u7684\u652f\u6301\uff0c\u589e\u52a0\u4e86INFORATION_SCHEMA\u7cfb\u7edf\u6570\u636e\u5e93\u3002 \r\n\r\n3\u30015.1 \u589e\u52a0\u4e86Event scheduler\uff0cPartitioning\uff0cPluggable storage engine API \uff0cRow-based replication\u3001Global\u7ea7\u522b\u52a8\u6001\u4fee\u6539general query log\u548cslow query log\u7684\u652f\u6301\u3002 \r\n\r\n4\u30015.5\u7684\u65b0\u7279\u5f81 \r\n\r\n1)\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\u66f4\u6539\u4e3aInnoDB \r\n\r\n2)\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027 \r\n\r\na. \u63d0\u9ad8\u4e86\u9ed8\u8ba4\u7ebf\u7a0b\u5e76\u53d1\u6570(innodb_thread_concurrency) \r\n\r\nb. \u540e\u53f0\u8f93\u5165\/\u8f93\u51fa\u7ebf\u7a0b\u63a7\u5236\uff08innodb_read_io_threads\u3001innodb_write_io_threads\uff09 \r\n\r\nc. \u4e3b\u7ebf\u7a0b\u8f93\u5165\/\u8f93\u51fa\u901f\u7387\u63a7\u5236\uff08innodb_io_capacity\uff09 \r\n\r\nd. \u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\u5206\u914d\u7a0b\u5e8f\u4f7f\u7528\u63a7\u5236(innodb_use_sys_malloc) \r\n\r\ne. \u9002\u5e94\u6027\u6563\u5217\u7d22\u5f15(Hash Index)\u63a7\u5236\uff0c\u7528\u6237\u53ef\u4ee5\u5173\u95ed\u9002\u5e94\u6027\u6563\u5217\u529f\u80fd\u3002 \r\n\r\nf. \u63d2\u5165\u7f13\u51b2\uff08Insert Buffering\uff09\u63a7\u5236\uff0c\u7528\u6237\u53ef\u4ee5\u5173\u95edinnodb\u7684\u63d2\u5165\u7f13\u51b2\u529f\u80fd\u3002 \r\n\r\ng. \u901a\u8fc7\u5feb\u901f\u52a0\u9501\u7b97\u6cd5\u63d0\u9ad8\u53ef\u6269\u5c55\u6027\uff0cinnodb\u4e0d\u5728\u4f7f\u7528\u4ee3\u7406(posix)\u7ebf\u7a0b,\u800c\u662f\u4f7f\u7528\u539f\u751f\u7684\u72ec\u7acb\u64cd\u4f5c\u6765\u5b8c\u6210\u4e92\u65a5\u548c\u8bfb\u5199\u9501\u5b9a\u3002 \r\n\r\nh. \u6062\u590d\u7ec4\u63d0\u4ea4\uff08Restored Group Commit\uff09 \r\n\r\ni. \u63d0\u9ad8\u6062\u590d\u6027\u80fd \r\n\r\nj. \u591a\u7f13\u51b2\u6c60\u5b9e\u4f8b \r\n\r\nk. \u591a\u4e2a\u56de\u6eda\u6bb5\uff08Multiple Rollback Segments\uff09,\u4e4b\u524d\u7684innodb\u7248\u672c\u6700\u5927\u80fd\u5904\u74061023\u4e2a\u5e76\u53d1\u5904\u7406\u64cd\u4f5c\uff0c\u73b0\u5728mysql5.5\u53ef\u4ee5\u5904\u7406\u9ad8\u8fbe128K\u7684\u5e76\u53d1\u4e8b\u7269\uff0c \r\n\r\nl. 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\r\n\r\nMysql5.5\u5f15\u5165\u4e86\u4e00\u79cd\u65b0\u7684\u6027\u80fd\u67b6\u6784(performancn_shema,P_S),\u7528\u4e8e\u76d1\u63a7mysql\u76d1\u63a7\u670d\u52a1\u5668\u8fd0\u884c\u65f6\u7684\u6027\u80fd\u3002\r\n\r\n5\u30015.6\u7684\u65b0\u7279\u5f81 1)InnoDB\u73b0\u5728\u53ef\u4ee5\u9650\u5236\u5927\u91cf\u8868\u6253\u5f00\u7684\u65f6\u5019\u5185\u5b58\u5360\u7528\u8fc7\u591a\u7684\u95ee\u9898\uff08\u6bd4\u5982\u8fd9\u91cc\u63d0\u5230\u7684\uff09(\u7b2c\u4e09\u65b9\u5df2\u6709\u8865\u4e01) \r\n2)InnoDB\u6027\u80fd\u52a0\u5f3a\u3002\u5982\u5206\u62c6kernel mutex;flush\u64cd\u4f5c\u4ece\u4e3b\u7ebf\u7a0b\u5206\u79bb;\u591a\u4e2aperge\u7ebf\u7a0b;\u5927\u5185\u5b58\u4f18\u5316\u7b49\r\n3)InnoDB\u6b7b\u9501\u4fe1\u606f\u53ef\u4ee5\u8bb0\u5f55\u5230 error 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