{"id":433,"date":"2014-04-23T18:23:59","date_gmt":"2014-04-23T10:23:59","guid":{"rendered":"http:\/\/www.cnmiss.cn\/?p=433"},"modified":"2014-04-23T18:23:59","modified_gmt":"2014-04-23T10:23:59","slug":"mysql%e4%bc%98%e5%8c%96-my-ini-%e9%85%8d%e7%bd%ae%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.cnmiss.cn\/?p=433","title":{"rendered":"Mysql\u4f18\u5316 – my.ini \u914d\u7f6e\u8bf4\u660e"},"content":{"rendered":"

[mysqld]
\nport = 3306
\nserverid = 1
\nsocket = \/tmp\/mysql.sock
\nskip-name-resolve
\n#\u7981\u6b62MySQL\u5bf9\u5916\u90e8\u8fde\u63a5\u8fdb\u884cDNS\u89e3\u6790\uff0c\u4f7f\u7528\u8fd9\u4e00\u9009\u9879\u53ef\u4ee5\u6d88\u9664MySQL\u8fdb\u884cDNS\u89e3\u6790\u7684\u65f6\u95f4\u3002\u4f46\u9700\u8981\u6ce8\u610f\uff0c\u5982\u679c\u5f00\u542f\u8be5\u9009\u9879\uff0c\u5219\u6240\u6709\u8fdc\u7a0b\u4e3b\u673a\u8fde\u63a5\u6388\u6743\u90fd\u8981\u4f7f\u7528IP\u5730\u5740\u65b9\u5f0f\uff0c\u5426\u5219MySQL\u5c06\u65e0\u6cd5\u6b63\u5e38\u5904\u7406\u8fde\u63a5\u8bf7\u6c42\uff01\u6ce8\uff1a\u5982\u679c\u7528winform\u8fde\u63a5mysql\uff0c\u52a0\u5165\u6b64\u53e5\u901f\u5ea6\u4f1a\u6709\u5f88\u5927\u7684\u63d0\u5347<\/p>\n

skip-locking
\n# \u907f\u514dMySQL\u7684\u5916\u90e8\u9501\u5b9a\uff0c\u51cf\u5c11\u51fa\u9519\u51e0\u7387\u589e\u5f3a\u7a33\u5b9a\u6027\u3002<\/span><\/p>\n

back_log = 384
\n\u6307\u5b9aMySQL\u53ef\u80fd\u7684\u8fde\u63a5\u6570\u91cf\u3002\u5f53MySQL\u4e3b\u7ebf\u7a0b\u5728\u5f88\u77ed\u7684\u65f6\u95f4\u5185\u63a5\u6536\u5230\u975e\u5e38\u591a\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u8be5\u53c2\u6570\u751f\u6548\uff0c\u4e3b\u7ebf\u7a0b\u82b1\u8d39\u5f88\u77ed\u7684\u65f6\u95f4\u68c0\u67e5\u8fde\u63a5\u5e76\u4e14\u542f\u52a8\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u3002 back_log\u53c2\u6570\u7684\u503c\u6307\u51fa\u5728MySQL\u6682\u65f6\u505c\u6b62\u54cd\u5e94\u65b0\u8bf7\u6c42\u4e4b\u524d\u7684\u77ed\u65f6\u95f4\u5185\u591a\u5c11\u4e2a\u8bf7\u6c42\u53ef\u4ee5\u88ab\u5b58\u5728\u5806\u6808\u4e2d\u3002 \u5982\u679c\u7cfb\u7edf\u5728\u4e00\u4e2a\u77ed\u65f6\u95f4\u5185\u6709\u5f88\u591a\u8fde\u63a5\uff0c\u5219\u9700\u8981\u589e\u5927\u8be5\u53c2\u6570\u7684\u503c\uff0c\u8be5\u53c2\u6570\u503c\u6307\u5b9a\u5230\u6765\u7684TCP\/IP\u8fde\u63a5\u7684\u4fa6\u542c\u961f\u5217\u7684\u5927\u5c0f\u3002\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u5728\u8fd9\u4e2a\u961f\u5217\u5927\u5c0f\u4e0a\u6709\u5b83\u81ea\u5df1\u7684\u9650\u5236\u3002 \u8bd5\u56fe\u8bbe\u5b9aback_log\u9ad8\u4e8e\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684\u9650\u5236\u5c06\u662f\u65e0\u6548\u7684\u3002\u9ed8\u8ba4\u503c\u4e3a50\u3002\u5bf9\u4e8eLinux\u7cfb\u7edf\u63a8\u8350\u8bbe\u7f6e\u4e3a\u5c0f\u4e8e512\u7684\u6574\u6570\u3002<\/p>\n

key_buffer_size = 32M
\n# key_buffer_size\u8fd9\u5bf9MyISAM\u8868\u6765\u8bf4\u975e\u5e38\u91cd\u8981\u3002\u5982\u679c\u53ea\u662f\u4f7f\u7528MyISAM\u8868\uff0c\u53ef\u4ee5\u628a\u5b83\u8bbe\u7f6e\u4e3a\u53ef\u7528\u5185\u5b58\u7684 30-40%\u3002\u5408\u7406\u7684\u503c\u53d6\u51b3\u4e8e\u7d22\u5f15\u5927\u5c0f\u3001\u6570\u636e\u91cf\u4ee5\u53ca\u8d1f\u8f7d \u2014 \u8bb0\u4f4f\uff0cMyISAM\u8868\u4f1a\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f13\u5b58\u6765\u7f13\u5b58\u6570\u636e\uff0c\u56e0\u6b64\u9700\u8981\u7559\u51fa\u90e8\u5206\u5185\u5b58\u7ed9\u5b83\u4eec\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\u6570\u636e\u6bd4\u7d22\u5f15\u5927\u591a\u4e86\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u9700\u8981\u603b\u662f\u68c0\u67e5\u662f\u5426\u6240\u6709\u7684 key_buffer \u90fd\u88ab\u5229\u7528\u4e86 \u2014 .MYI \u6587\u4ef6\u53ea\u6709 1GB\uff0c\u800c key_buffer \u5374\u8bbe\u7f6e\u4e3a 4GB \u7684\u60c5\u51b5\u662f\u975e\u5e38\u5c11\u7684\u3002\u8fd9\u4e48\u505a\u592a\u6d6a\u8d39\u4e86\u3002\u5982\u679c\u4f60\u5f88\u5c11\u4f7f\u7528MyISAM\u8868\uff0c\u90a3\u4e48\u4e5f\u4fdd\u7559\u4f4e\u4e8e 16-32MB \u7684key_buffer_size \u4ee5\u9002\u5e94\u7ed9\u4e88\u78c1\u76d8\u7684\u4e34\u65f6\u8868\u7d22\u5f15\u6240\u9700\u3002<\/p>\n

innodb_buffer_pool_size = 2.4G
\n#\u8fd9\u5bf9Innodb\u8868\u6765\u8bf4\u975e\u5e38\u91cd\u8981\u3002Innodb\u76f8\u6bd4MyISAM\u8868\u5bf9\u7f13\u51b2\u66f4\u4e3a\u654f\u611f\u3002MyISAM\u53ef\u4ee5\u5728\u9ed8\u8ba4\u7684 key_buffer_size \u8bbe\u7f6e\u4e0b\u8fd0\u884c\u7684\u53ef\u4ee5\uff0c\u7136\u800cInnodb\u5728\u9ed8\u8ba4\u7684innodb_buffer_pool_size \u8bbe\u7f6e\u4e0b\u5374\u8ddf\u8717\u725b\u4f3c\u7684\u3002\u7531\u4e8eInnodb\u628a\u6570\u636e\u548c\u7d22\u5f15\u90fd\u7f13\u5b58\u8d77\u6765\uff0c\u65e0\u9700\u7559\u7ed9\u64cd\u4f5c\u7cfb\u7edf\u592a\u591a\u7684\u5185\u5b58\uff0c\u56e0\u6b64\u5982\u679c\u53ea\u9700\u8981\u7528Innodb\u7684\u8bdd\u5219\u53ef\u4ee5\u8bbe\u7f6e\u5b83\u9ad8\u8fbe 70-80% \u7684\u53ef\u7528\u5185\u5b58\u3002\u2013 \u5982\u679c\u4f60\u7684\u6570\u636e\u91cf\u4e0d\u5927\uff0c\u5e76\u4e14\u4e0d\u4f1a\u66b4\u589e\uff0c\u90a3\u4e48\u65e0\u9700\u628ainnodb_buffer_pool_size \u8bbe\u7f6e\u7684\u592a\u5927\u4e86\u3002<\/p>\n

innodb_additional_pool_size = 20M
\n#\u8fd9\u4e2a\u9009\u9879\u5bf9\u6027\u80fd\u5f71\u54cd\u5e76\u4e0d\u592a\u591a\uff0c\u81f3\u5c11\u5728\u6709\u5dee\u4e0d\u591a\u8db3\u591f\u5185\u5b58\u53ef\u5206\u914d\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u662f\u8fd9\u6837\u3002\u4e0d\u8fc7\u5982\u679c\u4f60\u4ecd\u7136\u60f3\u8bbe\u7f6e\u4e3a 20MB(\u6216\u8005\u66f4\u5927)\uff0c\u56e0\u6b64\u5c31\u9700\u8981\u770b\u4e00\u4e0bInnodb\u5176\u4ed6\u9700\u8981\u5206\u914d\u7684\u5185\u5b58\u6709\u591a\u5c11\u3002<\/p>\n

innodb_log_file_size = 512M
\n#\u5728\u9ad8\u5199\u5165\u8d1f\u8f7d\u5c24\u5176\u662f\u5927\u6570\u636e\u96c6\u7684\u60c5\u51b5\u4e0b\u5f88\u91cd\u8981\u3002\u8fd9\u4e2a\u503c\u8d8a\u5927\u5219\u6027\u80fd\u76f8\u5bf9\u8d8a\u9ad8\uff0c\u4f46\u662f\u8981\u6ce8\u610f\u5230\u53ef\u80fd\u4f1a\u589e\u52a0\u6062\u590d\u65f6\u95f4\u3002\u6211\u7ecf\u5e38\u8bbe\u7f6e\u4e3a64-512MB\uff0c\u6839\u636e\u670d\u52a1\u5668\u5927\u5c0f\u800c\u5f02\u3002<\/p>\n

innodb_log_buffer_size =16M
\n#\u9ed8\u8ba4\u7684\u8bbe\u7f6e\u5728\u4e2d\u7b49\u5f3a\u5ea6\u5199\u5165\u8d1f\u8f7d\u4ee5\u53ca\u8f83\u77ed\u4e8b\u52a1\u7684\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u5668\u6027\u80fd\u8fd8\u53ef\u4ee5\u3002\u5982\u679c\u5b58\u5728\u66f4\u65b0\u64cd\u4f5c\u5cf0\u503c\u6216\u8005\u8d1f\u8f7d\u8f83\u5927\uff0c\u5c31\u5e94\u8be5\u8003\u8651\u52a0\u5927\u5b83\u7684\u503c\u4e86\u3002\u5982\u679c\u5b83\u7684\u503c\u8bbe\u7f6e\u592a\u9ad8\u4e86\uff0c\u53ef\u80fd\u4f1a\u6d6a\u8d39\u5185\u5b58 \u2014 \u5b83\u6bcf\u79d2\u90fd\u4f1a\u5237\u65b0\u4e00\u6b21\uff0c\u56e0\u6b64\u65e0\u9700\u8bbe\u7f6e\u8d85\u8fc71\u79d2\u6240\u9700\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u901a\u5e388-16MB\u5c31\u8db3\u591f\u4e86\u3002\u8d8a\u5c0f\u7684\u7cfb\u7edf\u5b83\u7684\u503c\u8d8a\u5c0f\u3002<\/p>\n

innodb_flush_logs_at_trx_commit = 2
\n#\u662f\u5426\u4e3aInnodb\u6bd4MyISAM\u61621000\u500d\u800c\u5934\u5927?\u770b\u6765\u4e5f\u8bb8\u4f60\u5fd8\u4e86\u4fee\u6539\u8fd9\u4e2a\u53c2\u6570\u4e86\u3002\u9ed8\u8ba4\u503c\u662f 1\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u6b21\u63d0\u4ea4\u7684\u66f4\u65b0\u4e8b\u52a1(\u6216\u8005\u6bcf\u4e2a\u4e8b\u52a1\u4e4b\u5916\u7684\u8bed\u53e5)\u90fd\u4f1a\u5237\u65b0\u5230\u78c1\u76d8\u4e2d\uff0c\u800c\u8fd9\u76f8\u5f53\u8017\u8d39\u8d44\u6e90\uff0c\u5c24\u5176\u662f\u6ca1\u6709\u7535\u6c60\u5907\u7528\u7f13\u5b58\u65f6\u3002\u5f88\u591a\u5e94\u7528\u7a0b\u5e8f\uff0c\u5c24\u5176\u662f\u4ece MyISAM\u8f6c\u53d8\u8fc7\u6765\u7684\u90a3\u4e9b\uff0c\u628a\u5b83\u7684\u503c\u8bbe\u7f6e\u4e3a 2 \u5c31\u53ef\u4ee5\u4e86\uff0c\u4e5f\u5c31\u662f\u4e0d\u628a\u65e5\u5fd7\u5237\u65b0\u5230\u78c1\u76d8\u4e0a\uff0c\u800c\u53ea\u5237\u65b0\u5230\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f13\u5b58\u4e0a\u3002\u65e5\u5fd7\u4ecd\u7136\u4f1a\u6bcf\u79d2\u5237\u65b0\u5230\u78c1\u76d8\u4e2d\u53bb\uff0c\u56e0\u6b64\u901a\u5e38\u4e0d\u4f1a\u4e22\u5931\u6bcf\u79d21-2\u6b21\u66f4\u65b0\u7684\u6d88\u8017\u3002\u5982\u679c\u8bbe\u7f6e\u4e3a0\u5c31\u5feb\u5f88\u591a\u4e86\uff0c\u4e0d\u8fc7\u4e5f\u76f8\u5bf9\u4e0d\u5b89\u5168\u4e86 \u2014 MySQL\u670d\u52a1\u5668\u5d29\u6e83\u65f6\u5c31\u4f1a\u4e22\u5931\u4e00\u4e9b\u4e8b\u52a1\u3002\u8bbe\u7f6e\u4e3a2\u6307\u6325\u4e22\u5931\u5237\u65b0\u5230\u64cd\u4f5c\u7cfb\u7edf\u7f13\u5b58\u7684\u90a3\u90e8\u5206\u4e8b\u52a1\u3002<\/p>\n

max_allowed_packet = 4M
\nthread_stack = 256K
\ntable_cache = 128K
\nsort_buffer_size = 6M
\n#\u67e5\u8be2\u6392\u5e8f\u65f6\u6240\u80fd\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u6ce8\u610f\uff1a\u8be5\u53c2\u6570\u5bf9\u5e94\u7684\u5206\u914d\u5185\u5b58\u662f\u6bcf\u8fde\u63a5\u72ec\u5360\uff01\u5982\u679c\u6709100\u4e2a\u8fde\u63a5\uff0c\u90a3\u4e48\u5b9e\u9645\u5206\u914d\u7684\u603b\u5171\u6392\u5e8f\u7f13\u51b2\u533a\u5927\u5c0f\u4e3a100 \u00d7 6 \uff1d 600MB\u3002\u6240\u4ee5\uff0c\u5bf9\u4e8e\u5185\u5b58\u57284GB\u5de6\u53f3\u7684\u670d\u52a1\u5668\u63a8\u8350\u8bbe\u7f6e\u4e3a6-8M\u3002<\/p>\n

read_buffer_size = 4M
\n#\u8bfb\u67e5\u8be2\u64cd\u4f5c\u6240\u80fd\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u548csort_buffer_size\u4e00\u6837\uff0c\u8be5\u53c2\u6570\u5bf9\u5e94\u7684\u5206\u914d\u5185\u5b58\u4e5f\u662f\u6bcf\u8fde\u63a5\u72ec\u4eab\uff01<\/p>\n

join_buffer_size = 8M
\n#\u8054\u5408\u67e5\u8be2\u64cd\u4f5c\u6240\u80fd\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u548csort_buffer_size\u4e00\u6837\uff0c\u8be5\u53c2\u6570\u5bf9\u5e94\u7684\u5206\u914d\u5185\u5b58\u4e5f\u662f\u6bcf\u8fde\u63a5\u72ec\u4eab\uff01<\/p>\n

myisam_sort_buffer_size = 64M
\ntable_cache = 512
\n#\u6253\u5f00\u4e00\u4e2a\u8868\u7684\u5f00\u9500\u53ef\u80fd\u5f88\u5927\u3002\u4f8b\u5982MyISAM\u628aMYI\u6587\u4ef6\u5934\u6807\u5fd7\u8be5\u8868\u6b63\u5728\u4f7f\u7528\u4e2d\u3002\u4f60\u80af\u5b9a\u4e0d\u5e0c\u671b\u8fd9\u79cd\u64cd\u4f5c\u592a\u9891\u7e41\uff0c\u6240\u4ee5\u901a\u5e38\u8981\u52a0\u5927\u7f13\u5b58\u6570\u91cf\uff0c\u4f7f\u5f97\u8db3\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u7f13\u5b58\u6253\u5f00\u7684\u8868\u3002\u5b83\u9700\u8981\u7528\u5230\u64cd\u4f5c\u7cfb\u7edf\u7684\u8d44\u6e90\u4ee5\u53ca\u5185\u5b58\uff0c\u5bf9\u5f53\u524d\u7684\u786c\u4ef6\u914d\u7f6e\u6765\u8bf4\u5f53\u7136\u4e0d\u662f\u4ec0\u4e48\u95ee\u9898\u4e86\u3002\u5982\u679c\u4f60\u6709200\u591a\u4e2a\u8868\u7684\u8bdd\uff0c\u90a3\u4e48\u8bbe\u7f6e\u4e3a 1024 \u4e5f\u8bb8\u6bd4\u8f83\u5408\u9002(\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u9700\u8981\u6253\u5f00\u8868)\uff0c\u5982\u679c\u8fde\u63a5\u6570\u6bd4\u8f83\u5927\u90a3\u4e48\u5c31\u52a0\u5927\u5b83\u7684\u503c\u3002\u6211\u66fe\u7ecf\u89c1\u8fc7\u8bbe\u7f6e\u4e3a100,000\u7684\u60c5\u51b5\u3002<\/p>\n

thread_cache_size = 64
\n#\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500\u53ef\u80fd\u5f88\u5927\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u8fde\u63a5\/\u65ad\u5f00\u90fd\u9700\u8981\u3002\u6211\u901a\u5e38\u81f3\u5c11\u8bbe\u7f6e\u4e3a 16\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6709\u5927\u91cf\u7684\u8df3\u8dc3\u5e76\u53d1\u8fde\u63a5\u5e76\u4e14 Threads_Created \u7684\u503c\u4e5f\u6bd4\u8f83\u5927\uff0c\u90a3\u4e48\u6211\u5c31\u4f1a\u52a0\u5927\u5b83\u7684\u503c\u3002\u5b83\u7684\u76ee\u7684\u662f\u5728\u901a\u5e38\u7684\u64cd\u4f5c\u4e2d\u65e0\u9700\u521b\u5efa\u65b0\u7ebf\u7a0b\u3002<\/p>\n

query_cache_size = 64M
\n#\u6307\u5b9aMySQL\u67e5\u8be2\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002\u53ef\u4ee5\u901a\u8fc7\u5728MySQL\u63a7\u5236\u53f0\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u89c2\u5bdf\uff1a<\/p>\n

# > SHOW VARIABLES LIKE \u2018%query_cache%\u2019;
\n# > SHOW STATUS LIKE \u2018Qcache%\u2019;
\n# \u5982\u679cQcache_lowmem_prunes\u7684\u503c\u975e\u5e38\u5927\uff0c\u5219\u8868\u660e\u7ecf\u5e38\u51fa\u73b0\u7f13\u51b2\u4e0d\u591f\u7684\u60c5\u51b5\uff1b\u5982\u679cQcache_hits\u7684\u503c\u975e\u5e38\u5927\uff0c\u5219\u8868\u660e\u67e5\u8be2\u7f13\u51b2\u4f7f\u7528\u975e\u5e38\u9891\u7e41\uff0c\u5982\u679c\u8be5\u503c\u8f83\u5c0f\u53cd\u800c\u4f1a\u5f71\u54cd\u6548\u7387\uff0c\u90a3\u4e48\u53ef\u4ee5\u8003\u8651\u4e0d\u7528\u67e5\u8be2\u7f13\u51b2\uff1bQcache_free_blocks\uff0c\u5982\u679c\u8be5\u503c\u975e\u5e38\u5927\uff0c\u5219\u8868\u660e\u7f13\u51b2\u533a\u4e2d\u788e\u7247\u5f88\u591a\u3002<\/p>\n

tmp_table_size = 256M
\nmax_connections = 768
\n#\u6307\u5b9aMySQL\u5141\u8bb8\u7684\u6700\u5927\u8fde\u63a5\u8fdb\u7a0b\u6570\u3002\u5982\u679c\u5728\u8bbf\u95ee\u8bba\u575b\u65f6\u7ecf\u5e38\u51fa\u73b0Too Many Connections\u7684\u9519\u8bef\u63d0 \u793a\uff0c\u5219\u9700\u8981\u589e\u5927\u8be5\u53c2\u6570\u503c\u3002<\/p>\n

max_connect_errors = 10000000
\nwait_timeout = 10
\n#\u6307\u5b9a\u4e00\u4e2a\u8bf7\u6c42\u7684\u6700\u5927\u8fde\u63a5\u65f6\u95f4\uff0c\u5bf9\u4e8e4GB\u5de6\u53f3\u5185\u5b58\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u8bbe\u7f6e\u4e3a5-10\u3002<\/p>\n

thread_concurrency = 8
\n#\u8be5\u53c2\u6570\u53d6\u503c\u4e3a\u670d\u52a1\u5668\u903b\u8f91CPU\u6570\u91cf\u00d72\uff0c\u5728\u672c\u4f8b\u4e2d\uff0c\u670d\u52a1\u5668\u67092\u9897\u7269\u7406CPU\uff0c\u800c\u6bcf\u9897\u7269\u7406CPU\u53c8\u652f\u6301H.T\u8d85\u7ebf\u7a0b\uff0c\u6240\u4ee5\u5b9e\u9645\u53d6\u503c\u4e3a4 \u00d7 2 \uff1d 8<\/p>\n

skip-networking
\n#\u5f00\u542f\u8be5\u9009\u9879\u53ef\u4ee5\u5f7b\u5e95\u5173\u95edMySQL\u7684TCP\/IP\u8fde\u63a5\u65b9\u5f0f\uff0c\u5982\u679cWEB\u670d\u52a1\u5668\u662f\u4ee5\u8fdc\u7a0b\u8fde\u63a5\u7684\u65b9\u5f0f\u8bbf\u95eeMySQL\u6570\u636e\u5e93\u670d\u52a1\u5668\u5219\u4e0d\u8981\u5f00\u542f\u8be5\u9009\u9879\uff01\u5426\u5219\u5c06\u65e0\u6cd5\u6b63\u5e38\u8fde\u63a5\uff01<\/p>\n

show status \u547d\u4ee4
\n\u542b\u4e49\u5982\u4e0b:
\naborted_clients \u5ba2\u6237\u7aef\u975e\u6cd5\u4e2d\u65ad\u8fde\u63a5\u6b21\u6570
\naborted_connects \u8fde\u63a5mysql\u5931\u8d25\u6b21\u6570
\ncom_xxx xxx\u547d\u4ee4\u6267\u884c\u6b21\u6570,\u6709\u5f88\u591a\u6761
\nconnections \u8fde\u63a5mysql\u7684\u6570\u91cf
\nCreated_tmp_disk_tables \u5728\u78c1\u76d8\u4e0a\u521b\u5efa\u7684\u4e34\u65f6\u8868
\nCreated_tmp_tables \u5728\u5185\u5b58\u91cc\u521b\u5efa\u7684\u4e34\u65f6\u8868
\nCreated_tmp_files \u4e34\u65f6\u6587\u4ef6\u6570
\nKey_read_requests The number of requests to read a key block from the cache
\nKey_reads The number of physical reads of a key block from disk
\nMax_used_connections \u540c\u65f6\u4f7f\u7528\u7684\u8fde\u63a5\u6570
\nOpen_tables \u5f00\u653e\u7684\u8868
\nOpen_files \u5f00\u653e\u7684\u6587\u4ef6
\nOpened_tables \u6253\u5f00\u7684\u8868
\nQuestions \u63d0\u4ea4\u5230server\u7684\u67e5\u8be2\u6570
\nSort_merge_passes \u5982\u679c\u8fd9\u4e2a\u503c\u5f88\u5927,\u5e94\u8be5\u589e\u52a0my.cnf\u4e2d\u7684sort_buffer\u503c
\nUptime \u670d\u52a1\u5668\u5df2\u7ecf\u5de5\u4f5c\u7684\u79d2\u6570<\/p>\n

\u63d0\u5347\u6027\u80fd\u7684\u5efa\u8bae:
\n1.\u5982\u679copened_tables\u592a\u5927,\u5e94\u8be5\u628amy.cnf\u4e2d\u7684table_cache\u53d8\u5927
\n2.\u5982\u679cKey_reads\u592a\u5927,\u5219\u5e94\u8be5\u628amy.cnf\u4e2dkey_buffer_size\u53d8\u5927.\u53ef\u4ee5\u7528Key_reads\/Key_read_requests\u8ba1\u7b97\u51facache\u5931\u8d25\u7387
\n3.\u5982\u679cHandler_read_rnd\u592a\u5927,\u5219\u4f60\u5199\u7684SQL\u8bed\u53e5\u91cc\u5f88\u591a\u67e5\u8be2\u90fd\u662f\u8981\u626b\u63cf\u6574\u4e2a\u8868,\u800c\u6ca1\u6709\u53d1\u6325\u7d22\u5f15\u7684\u952e\u7684\u4f5c\u7528
\n4.\u5982\u679cThreads_created\u592a\u5927,\u5c31\u8981\u589e\u52a0my.cnf\u4e2dthread_cache_size\u7684\u503c.\u53ef\u4ee5\u7528Threads_created\/Connections\u8ba1\u7b97cache\u547d\u4e2d\u7387
\n5.\u5982\u679cCreated_tmp_disk_tables\u592a\u5927,\u5c31\u8981\u589e\u52a0my.cnf\u4e2dtmp_table_size\u7684\u503c,\u7528\u57fa\u4e8e\u5185\u5b58\u7684\u4e34\u65f6\u8868\u4ee3\u66ff\u57fa\u4e8e\u78c1\u76d8\u7684<\/p>\n","protected":false},"excerpt":{"rendered":"

[mysqld] port = 3306 serverid = 1 socket … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[24],"class_list":["post-433","post","type-post","status-publish","format-standard","hentry","category-xxbj","tag-mysql"],"_links":{"self":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts\/433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=433"}],"version-history":[{"count":0,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts\/433\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}