{"id":20502,"date":"2021-12-11T11:36:11","date_gmt":"2021-12-11T03:36:11","guid":{"rendered":"https:\/\/aqzt.com\/20502.html"},"modified":"2021-12-11T11:36:11","modified_gmt":"2021-12-11T03:36:11","slug":"mysql%e6%80%a7%e8%83%bd%e8%b0%83%e4%bc%98my-cnf%e7%9a%84%e8%af%a6%e7%bb%86%e8%a7%a3%e9%87%8a","status":"publish","type":"post","link":"https:\/\/aqzt.com\/20502.html","title":{"rendered":"MySQL\u6027\u80fd\u8c03\u4f18my.cnf\u7684\u8be6\u7ec6\u89e3\u91ca"},"content":{"rendered":"<ol>\n<li><\/li>\n<\/ol>\n<p>MySQL\u8c03\u4f18\u53ef\u4ee5\u4ece\u51e0\u4e2a\u65b9\u9762\u6765\u505a\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u67b6\u6784\u5c42\uff1a<\/li>\n<\/ol>\n<p>\u505a\u4ece\u5e93\uff0c\u5b9e\u73b0\u8bfb\u5199\u5206\u79bb\uff1b<\/p>\n<p>2.\u7cfb\u7edf\u5c42\u6b21\uff1a<\/p>\n<p>\u589e\u52a0\u5185\u5b58\uff1b<\/p>\n<p>\u7ed9\u78c1\u76d8\u505araid0\u6216\u8005raid5\u4ee5\u589e\u52a0\u78c1\u76d8\u7684\u8bfb\u5199\u901f\u5ea6\uff1b<\/p>\n<p>\u53ef\u4ee5\u91cd\u65b0\u6302\u8f7d\u78c1\u76d8\uff0c\u5e76\u52a0\u4e0anoatime\u53c2\u6570\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u78c1\u76d8\u7684i\/o;<\/p>\n<ol start=\"3\">\n<li>MySQL\u672c\u8eab\u8c03\u4f18\uff1a<\/li>\n<\/ol>\n<p>(1) \u5982\u679c\u672a\u914d\u7f6e\u4e3b\u4ece\u540c\u6b65\uff0c\u53ef\u4ee5\u628abin-log\u529f\u80fd\u5173\u95ed\uff0c\u51cf\u5c11\u78c1\u76d8i\/o<\/p>\n<p>(2) \u5728my.cnf\u4e2d\u52a0\u4e0askip-name-resolve,\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u7531\u4e8e\u89e3\u6790\u4e3b\u673a\u540d\u5ef6\u8fdf\u9020\u6210mysql\u6267\u884c\u6162<\/p>\n<p>(3) \u8c03\u6574\u51e0\u4e2a\u5173\u952e\u7684buffer\u548ccache\u3002\u8c03\u6574\u7684\u4f9d\u636e\uff0c\u4e3b\u8981\u6839\u636e\u6570\u636e\u5e93\u7684\u72b6\u6001\u6765\u8c03\u8bd5\u3002\u5982\u4f55\u8c03\u4f18\u53ef\u4ee5\u53c2\u80035.<\/p>\n<ol start=\"4\">\n<li>\u5e94\u7528\u5c42\u6b21\uff1a<\/li>\n<\/ol>\n<p>\u67e5\u770b\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u6839\u636e\u6162\u67e5\u8be2\u65e5\u5fd7\u4f18\u5316\u7a0b\u5e8f\u4e2d\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982\u589e\u52a0\u7d22\u5f15<\/p>\n<ol start=\"5\">\n<li>\u8c03\u6574\u51e0\u4e2a\u5173\u952e\u7684buffer\u548ccache<\/li>\n<\/ol>\n<ol>\n<li>\n<p>key_buffer_size\u00a0\u00a0\u9996\u5148\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u7684\u5185\u5b58\u5927\u5c0f\u8bbe\u5b9a\u5b83\uff0c\u5927\u6982\u7684\u4e00\u4e2a\u53c2\u8003\u503c\uff1a1G\u4ee5\u4e0b\u5185\u5b58\u8bbe\u5b9a128M\uff1b2G\/256M; 4G\/384M;8G\/1024M\uff1b16G\/2048M.\u8fd9\u4e2a\u503c\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u72b6\u6001\u503cKey_read_requests\u548c Key_reads,\u53ef\u4ee5\u77e5\u9053key_buffer_size\u8bbe\u7f6e\u662f\u5426\u5408\u7406\u3002\u6bd4\u4f8bkey_reads \/ key_read_requests\u5e94\u8be5\u5c3d\u53ef\u80fd\u7684\u4f4e\uff0c\u81f3\u5c11\u662f1:100\uff0c1:1000\u66f4\u597d(\u4e0a\u8ff0\u72b6\u6001\u503c\u53ef\u4ee5\u4f7f\u7528SHOW STATUS LIKE \u2018key_read%\u2019\u83b7\u5f97)\u3002\u6ce8\u610f\uff1a\u8be5\u53c2\u6570\u503c\u8bbe\u7f6e\u7684\u8fc7\u5927\u53cd\u800c\u4f1a\u662f\u670d\u52a1\u5668\u6574\u4f53\u6548\u7387\u964d\u4f4e!<\/p>\n<\/li>\n<li>\n<p>table_open_cache \u6253\u5f00\u4e00\u4e2a\u8868\u7684\u65f6\u5019\uff0c\u4f1a\u4e34\u65f6\u628a\u8868\u91cc\u9762\u7684\u6570\u636e\u653e\u5230\u8fd9\u90e8\u5206\u5185\u5b58\u4e2d\uff0c\u4e00\u822c\u8bbe\u7f6e\u62101024\u5c31\u591f\u4e86\uff0c\u5b83\u7684\u5927\u5c0f\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8fd9\u6837\u7684\u65b9\u6cd5\u6765\u8861\u91cf\uff1a \u5982\u679c\u4f60\u53d1\u73b0 open_tables\u7b49\u4e8etable_cache\uff0c\u5e76\u4e14opened_tables\u5728\u4e0d\u65ad\u589e\u957f\uff0c\u90a3\u4e48\u4f60\u5c31\u9700\u8981\u589e\u52a0table_cache\u7684\u503c\u4e86(\u4e0a\u8ff0\u72b6\u6001\u503c\u53ef\u4ee5\u4f7f\u7528SHOW STATUS LIKE \u2018Open%tables\u2019\u83b7\u5f97)\u3002\u6ce8\u610f\uff0c\u4e0d\u80fd\u76f2\u76ee\u5730\u628atable_cache\u8bbe\u7f6e\u6210\u5f88\u5927\u7684\u503c\u3002\u5982\u679c\u8bbe\u7f6e\u5f97\u592a\u9ad8\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0d\u8db3\uff0c\u4ece\u800c\u9020\u6210\u6027\u80fd\u4e0d\u7a33\u5b9a\u6216\u8005\u8fde\u63a5\u5931\u8d25\u3002<\/p>\n<\/li>\n<li>\n<p>sort_buffer_size \u67e5\u8be2\u6392\u5e8f\u65f6\u6240\u80fd\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f,\u8be5\u53c2\u6570\u5bf9\u5e94\u7684\u5206\u914d\u5185\u5b58\u662f\u6bcf\u8fde\u63a5\u72ec\u5360!\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 4 = 400MB\u3002\u6240\u4ee5\uff0c\u5bf9\u4e8e\u5185\u5b58\u57284GB\u5de6\u53f3\u7684\u670d\u52a1\u5668\u63a8\u8350\u8bbe\u7f6e\u4e3a4-8M\u3002<\/p>\n<\/li>\n<li>\n<p>read_buffer_size \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!<\/p>\n<\/li>\n<li>\n<p>join_buffer_size \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!<\/p>\n<\/li>\n<li>\n<p>myisam_sort_buffer_size \u8fd9\u4e2a\u7f13\u51b2\u533a\u4e3b\u8981\u7528\u4e8e\u4fee\u590d\u8868\u8fc7\u7a0b\u4e2d\u6392\u5e8f\u7d22\u5f15\u4f7f\u7528\u7684\u5185\u5b58\u6216\u8005\u662f\u5efa\u7acb\u7d22\u5f15\u65f6\u6392\u5e8f\u7d22\u5f15\u7528\u5230\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u4e00\u822c4G\u5185\u5b58\u7ed964M\u5373\u53ef\u3002<\/p>\n<\/li>\n<li>\n<p>query_cache_size MySQL\u67e5\u8be2\u64cd\u4f5c\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u901a\u8fc7\u4ee5\u4e0b\u505a\u6cd5\u8c03\u6574\uff1aSHOW STATUS LIKE \u2018Qcache%\u2019; \u5982\u679cQcache_lowmem_prunes\u8be5\u53c2\u6570\u8bb0\u5f55\u6709\u591a\u5c11\u6761\u67e5\u8be2\u56e0\u4e3a\u5185\u5b58\u4e0d\u8db3\u800c\u88ab\u79fb\u9664\u51fa\u67e5\u8be2\u7f13\u5b58\u3002\u901a\u8fc7\u8fd9\u4e2a\u503c\uff0c\u7528\u6237\u53ef\u4ee5\u9002\u5f53\u7684\u8c03\u6574\u7f13\u5b58\u5927\u5c0f\u3002\u5982\u679c\u8be5\u503c\u975e\u5e38\u5927\uff0c\u5219\u8868\u660e\u7ecf\u5e38\u51fa\u73b0\u7f13\u51b2\u4e0d\u591f\u7684\u60c5\u51b5\uff0c\u9700\u8981\u589e\u52a0\u7f13\u5b58\u5927\u5c0f;Qcache_free_memory:\u67e5\u8be2\u7f13\u5b58\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u901a\u8fc7\u8fd9\u4e2a\u53c2\u6570\u53ef\u4ee5\u5f88\u6e05\u6670\u7684\u77e5\u9053\u5f53\u524d\u7cfb\u7edf\u7684\u67e5\u8be2\u5185\u5b58\u662f\u5426\u591f\u7528\uff0c\u662f\u591a\u4e86\uff0c\u8fd8\u662f\u4e0d\u591f\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u505a\u51fa\u8c03\u6574\u3002\u4e00\u822c\u60c5\u51b5\u4e0b4G\u5185\u5b58\u8bbe\u7f6e64M\u8db3\u591f\u4e86\u3002<\/p>\n<\/li>\n<li>\n<p>thread_cache_size \u8868\u793a\u53ef\u4ee5\u91cd\u65b0\u5229\u7528\u4fdd\u5b58\u5728\u7f13\u5b58\u4e2d\u7ebf\u7a0b\u7684\u6570\uff0c\u53c2\u8003\u5982\u4e0b\u503c\uff1a1G\u00a0\u00a0\u2015&gt; 8 2G\u00a0\u00a0\u2015&gt; 16 3G\u00a0\u00a0\u2015&gt; 32\u00a0\u00a0&gt;3G\u00a0\u00a0\u2015&gt; 64<\/p>\n<\/li>\n<\/ol>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u51e0\u4e2a\u6bd4\u8f83\u5173\u952e\u7684\u53c2\u6570\uff1a<\/p>\n<ol start=\"9\">\n<li>\n<p>thread_concurrency \u8fd9\u4e2a\u503c\u8bbe\u7f6e\u4e3acpu\u6838\u6570\u76842\u500d\u5373\u53ef<\/p>\n<\/li>\n<li>\n<p>wait_timeout \u8868\u793a\u7a7a\u95f2\u7684\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\uff0c\u9ed8\u8ba4\u662f28800s\uff0c\u8fd9\u4e2a\u53c2\u6570\u662f\u548cinteractive_timeout\u4e00\u8d77\u4f7f\u7528\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u8981\u60f3\u8ba9wait_timeout \u751f\u6548\uff0c\u5fc5\u987b\u540c\u65f6\u8bbe\u7f6einteractive_timeout\uff0c\u5efa\u8bae\u4ed6\u4eec\u4e24\u4e2a\u90fd\u8bbe\u7f6e\u4e3a10<\/p>\n<\/li>\n<li>\n<p>max_connect_errors \u662f\u4e00\u4e2aMySQL\u4e2d\u4e0e\u5b89\u5168\u6709\u5173\u7684\u8ba1\u6570\u5668\u503c\uff0c\u5b83\u8d1f\u8d23\u963b\u6b62\u8fc7\u591a\u5c1d\u8bd5\u5931\u8d25\u7684\u5ba2\u6237\u7aef\u4ee5\u9632\u6b62\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u7684\u60c5\u51b5\u3002\u4e0e\u6027\u80fd\u5e76\u65e0\u592a\u5927\u5173\u7cfb\u3002\u4e3a\u4e86\u907f\u514d\u4e00\u4e9b\u9519\u8bef\u6211\u4eec\u4e00\u822c\u90fd\u8bbe\u7f6e\u6bd4\u8f83\u5927\uff0c\u6bd4\u5982\u8bf410000\u00a0<\/p>\n<\/li>\n<li>\n<p>max_connections \u6700\u5927\u7684\u8fde\u63a5\u6570\uff0c\u6839\u636e\u4e1a\u52a1\u8bf7\u6c42\u91cf\u9002\u5f53\u8c03\u6574\uff0c\u8bbe\u7f6e500\u8db3\u591f<\/p>\n<\/li>\n<li>\n<p>max_user_connections \u662f\u6307\u540c\u4e00\u4e2a\u8d26\u53f7\u80fd\u591f\u540c\u65f6\u8fde\u63a5\u5230mysql\u670d\u52a1\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002\u8bbe\u7f6e\u4e3a0\u8868\u793a\u4e0d\u9650\u5236\u3002\u901a\u5e38\u6211\u4eec\u8bbe\u7f6e\u4e3a100\u8db3\u591f\u00a0<\/p>\n<\/li>\n<\/ol>\n<ol>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ol>\n<p>[client]\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>port<br \/>\n\u00a0=\u00a0<br \/>\n3306<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>socket<br \/>\n\u00a0=\u00a0\/tmp\/mysql.sock\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>[mysqld]\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>port<br \/>\n\u00a0=\u00a0<br \/>\n3306<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>socket<br \/>\n\u00a0=\u00a0\/tmp\/mysql.sock\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>basedir<br \/>\n\u00a0=\u00a0\/usr\/local\/mysql\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>datadir<br \/>\n\u00a0=\u00a0\/data\/mysql\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>pid-file<br \/>\n\u00a0=\u00a0\/data\/mysql\/mysql.pid\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>user<br \/>\n\u00a0=\u00a0<br \/>\nmysql<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>bind-address<br \/>\n\u00a0=\u00a0<br \/>\n0<br \/>\n.0.0.0\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>server-id<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0#\u8868\u793a\u662f\u672c\u673a\u7684\u5e8f\u53f7\u4e3a1,\u4e00\u822c\u6765\u8bb2\u5c31\u662fmaster\u7684\u610f\u601d\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>skip-name-resolve\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\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\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\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\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#skip-networking\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>back_log<br \/>\n\u00a0=\u00a0<br \/>\n600<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u80fd\u6709\u7684\u8fde\u63a5\u6570\u91cf\u3002\u5f53\u4e3b\u8981MySQL\u7ebf\u7a0b\u5728\u4e00\u4e2a\u5f88\u77ed\u65f6\u95f4\u5185\u5f97\u5230\u975e\u5e38\u591a\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u8fd9\u5c31\u8d77\u4f5c\u7528\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u7136\u540e\u4e3b\u7ebf\u7a0b\u82b1\u4e9b\u65f6\u95f4(\u5c3d\u7ba1\u5f88\u77ed)\u68c0\u67e5\u8fde\u63a5\u5e76\u4e14\u542f\u52a8\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u3002back_log\u503c\u6307\u51fa\u5728MySQL\u6682\u65f6\u505c\u6b62\u56de\u7b54\u65b0\u8bf7\u6c42\u4e4b\u524d\u7684\u77ed\u65f6\u95f4\u5185\u591a\u5c11\u4e2a\u8bf7\u6c42\u53ef\u4ee5\u88ab\u5b58\u5728\u5806\u6808\u4e2d\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u671f\u671b\u5728\u4e00\u4e2a\u77ed\u65f6\u95f4\u5185\u6709\u5f88\u591a\u8fde\u63a5\uff0c\u4f60\u9700\u8981\u589e\u52a0\u5b83\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679cMySQL\u7684\u8fde\u63a5\u6570\u636e\u8fbe\u5230max_connections\u65f6\uff0c\u65b0\u6765\u7684\u8bf7\u6c42\u5c06\u4f1a\u88ab\u5b58\u5728\u5806\u6808\u4e2d\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4ee5\u7b49\u5f85\u67d0\u4e00\u8fde\u63a5\u91ca\u653e\u8d44\u6e90\uff0c\u8be5\u5806\u6808\u7684\u6570\u91cf\u5373back_log\uff0c\u5982\u679c\u7b49\u5f85\u8fde\u63a5\u7684\u6570\u91cf\u8d85\u8fc7back_log\uff0c\u5c06\u4e0d\u88ab\u6388\u4e88\u8fde\u63a5\u8d44\u6e90\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u53e6\u5916\uff0c\u8fd9\u503c\uff08back_log\uff09\u9650\u4e8e\u60a8\u7684\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5230\u6765\u7684TCP\/IP\u8fde\u63a5\u7684\u4fa6\u542c\u961f\u5217\u7684\u5927\u5c0f\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u5728\u8fd9\u4e2a\u961f\u5217\u5927\u5c0f\u4e0a\u6709\u5b83\u81ea\u5df1\u7684\u9650\u5236\uff08\u53ef\u4ee5\u68c0\u67e5\u4f60\u7684OS\u6587\u6863\u627e\u51fa\u8fd9\u4e2a\u53d8\u91cf\u7684\u6700\u5927\u503c\uff09\uff0c\u8bd5\u56fe\u8bbe\u5b9aback_log\u9ad8\u4e8e\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684\u9650\u5236\u5c06\u662f\u65e0\u6548\u7684\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>max_connections<br \/>\n\u00a0=\u00a0<br \/>\n1000<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u7684\u6700\u5927\u8fde\u63a5\u6570\uff0c\u5982\u679c\u670d\u52a1\u5668\u7684\u5e76\u53d1\u8fde\u63a5\u8bf7\u6c42\u91cf\u6bd4\u8f83\u5927\uff0c\u5efa\u8bae\u8c03\u9ad8\u6b64\u503c\uff0c\u4ee5\u589e\u52a0\u5e76\u884c\u8fde\u63a5\u6570\u91cf\uff0c\u5f53\u7136\u8fd9\u5efa\u7acb\u5728\u673a\u5668\u80fd\u652f\u6491\u7684\u60c5\u51b5\u4e0b\uff0c\u56e0\u4e3a\u5982\u679c\u8fde\u63a5\u6570\u8d8a\u591a\uff0c\u4ecb\u4e8eMySQL\u4f1a\u4e3a\u6bcf\u4e2a\u8fde\u63a5\u63d0\u4f9b\u8fde\u63a5\u7f13\u51b2\u533a\uff0c\u5c31\u4f1a\u5f00\u9500\u8d8a\u591a\u7684\u5185\u5b58\uff0c\u6240\u4ee5\u8981\u9002\u5f53\u8c03\u6574\u8be5\u503c\uff0c\u4e0d\u80fd\u76f2\u76ee\u63d0\u9ad8\u8bbe\u503c\u3002\u53ef\u4ee5\u8fc7&#x27;conn%&#x27;\u901a\u914d\u7b26\u67e5\u770b\u5f53\u524d\u72b6\u6001\u7684\u8fde\u63a5\u6570\u91cf\uff0c\u4ee5\u5b9a\u593a\u8be5\u503c\u7684\u5927\u5c0f\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>max_connect_errors<br \/>\n\u00a0=\u00a0<br \/>\n6000<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5bf9\u4e8e\u540c\u4e00\u4e3b\u673a\uff0c\u5982\u679c\u6709\u8d85\u51fa\u8be5\u53c2\u6570\u503c\u4e2a\u6570\u7684\u4e2d\u65ad\u9519\u8bef\u8fde\u63a5\uff0c\u5219\u8be5\u4e3b\u673a\u5c06\u88ab\u7981\u6b62\u8fde\u63a5\u3002\u5982\u9700\u5bf9\u8be5\u4e3b\u673a\u8fdb\u884c\u89e3\u7981\uff0c\u6267\u884c\uff1aFLUSH\u00a0HOST\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>open_files_limit<br \/>\n\u00a0=\u00a0<br \/>\n65535<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u6253\u5f00\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\uff0c\u9ed8\u8ba4\u6700\u5c0f1024;\u5f53open_files_limit\u6ca1\u6709\u88ab\u914d\u7f6e\u7684\u65f6\u5019\uff0c\u6bd4\u8f83max_connections*5\u548culimit\u00a0-n\u7684\u503c\uff0c\u54ea\u4e2a\u5927\u7528\u54ea\u4e2a\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5f53open_file_limit\u88ab\u914d\u7f6e\u7684\u65f6\u5019\uff0c\u6bd4\u8f83open_files_limit\u548cmax_connections*5\u7684\u503c\uff0c\u54ea\u4e2a\u5927\u7528\u54ea\u4e2a\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>table_open_cache<br \/>\n\u00a0=\u00a0<br \/>\n128<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u6bcf\u6253\u5f00\u4e00\u4e2a\u8868\uff0c\u90fd\u4f1a\u8bfb\u5165\u4e00\u4e9b\u6570\u636e\u5230table_open_cache\u7f13\u5b58\u4e2d\uff0c\u5f53MySQL\u5728\u8fd9\u4e2a\u7f13\u5b58\u4e2d\u627e\u4e0d\u5230\u76f8\u5e94\u4fe1\u606f\u65f6\uff0c\u624d\u4f1a\u53bb\u78c1\u76d8\u4e0a\u8bfb\u53d6\u3002\u9ed8\u8ba4\u503c64\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5047\u5b9a\u7cfb\u7edf\u6709200\u4e2a\u5e76\u53d1\u8fde\u63a5\uff0c\u5219\u9700\u5c06\u6b64\u53c2\u6570\u8bbe\u7f6e\u4e3a200*N(N\u4e3a\u6bcf\u4e2a\u8fde\u63a5\u6240\u9700\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u76ee)\uff1b\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5f53\u628atable_open_cache\u8bbe\u7f6e\u4e3a\u5f88\u5927\u65f6\uff0c\u5982\u679c\u7cfb\u7edf\u5904\u7406\u4e0d\u4e86\u90a3\u4e48\u591a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u90a3\u4e48\u5c31\u4f1a\u51fa\u73b0\u5ba2\u6237\u7aef\u5931\u6548\uff0c\u8fde\u63a5\u4e0d\u4e0a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>max_allowed_packet<br \/>\n\u00a0=\u00a0<br \/>\n4M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u63a5\u53d7\u7684\u6570\u636e\u5305\u5927\u5c0f\uff1b\u589e\u52a0\u8be5\u53d8\u91cf\u7684\u503c\u5341\u5206\u5b89\u5168\uff0c\u8fd9\u662f\u56e0\u4e3a\u4ec5\u5f53\u9700\u8981\u65f6\u624d\u4f1a\u5206\u914d\u989d\u5916\u5185\u5b58\u3002\u4f8b\u5982\uff0c\u4ec5\u5f53\u4f60\u53d1\u51fa\u957f\u67e5\u8be2\u6216MySQLd\u5fc5\u987b\u8fd4\u56de\u5927\u7684\u7ed3\u679c\u884c\u65f6MySQLd\u624d\u4f1a\u5206\u914d\u66f4\u591a\u5185\u5b58\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u8be5\u53d8\u91cf\u4e4b\u6240\u4ee5\u53d6\u8f83\u5c0f\u9ed8\u8ba4\u503c\u662f\u4e00\u79cd\u9884\u9632\u63aa\u65bd\uff0c\u4ee5\u6355\u83b7\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u9519\u8bef\u4fe1\u606f\u5305\uff0c\u5e76\u786e\u4fdd\u4e0d\u4f1a\u56e0\u5076\u7136\u4f7f\u7528\u5927\u7684\u4fe1\u606f\u5305\u800c\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>binlog_cache_size<br \/>\n\u00a0=\u00a0<br \/>\n1M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5728\u6ca1\u6709\u63d0\u4ea4\u7684\u65f6\u5019\uff0c\u4ea7\u751f\u7684\u65e5\u5fd7\uff0c\u8bb0\u5f55\u5230Cache\u4e2d\uff1b\u7b49\u5230\u4e8b\u52a1\u63d0\u4ea4\u9700\u8981\u63d0\u4ea4\u7684\u65f6\u5019\uff0c\u5219\u628a\u65e5\u5fd7\u6301\u4e45\u5316\u5230\u78c1\u76d8\u3002\u9ed8\u8ba4binlog_cache_size\u5927\u5c0f32K\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>max_heap_table_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5b9a\u4e49\u4e86\u7528\u6237\u53ef\u4ee5\u521b\u5efa\u7684\u5185\u5b58\u8868(memory\u00a0table)\u7684\u5927\u5c0f\u3002\u8fd9\u4e2a\u503c\u7528\u6765\u8ba1\u7b97\u5185\u5b58\u8868\u7684\u6700\u5927\u884c\u6570\u503c\u3002\u8fd9\u4e2a\u53d8\u91cf\u652f\u6301\u52a8\u6001\u6539\u53d8\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>tmp_table_size<br \/>\n\u00a0=\u00a0<br \/>\n16M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u7684heap\uff08\u5806\u79ef\uff09\u8868\u7f13\u51b2\u5927\u5c0f\u3002\u6240\u6709\u8054\u5408\u5728\u4e00\u4e2aDML\u6307\u4ee4\u5185\u5b8c\u6210\uff0c\u5e76\u4e14\u5927\u591a\u6570\u8054\u5408\u751a\u81f3\u53ef\u4ee5\u4e0d\u7528\u4e34\u65f6\u8868\u5373\u53ef\u4ee5\u5b8c\u6210\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5927\u591a\u6570\u4e34\u65f6\u8868\u662f\u57fa\u4e8e\u5185\u5b58\u7684(HEAP)\u8868\u3002\u5177\u6709\u5927\u7684\u8bb0\u5f55\u957f\u5ea6\u7684\u4e34\u65f6\u8868\u00a0(\u6240\u6709\u5217\u7684\u957f\u5ea6\u7684\u548c)\u6216\u5305\u542bBLOB\u5217\u7684\u8868\u5b58\u50a8\u5728\u786c\u76d8\u4e0a\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u67d0\u4e2a\u5185\u90e8heap\uff08\u5806\u79ef\uff09\u8868\u5927\u5c0f\u8d85\u8fc7tmp_table_size\uff0cMySQL\u53ef\u4ee5\u6839\u636e\u9700\u8981\u81ea\u52a8\u5c06\u5185\u5b58\u4e2d\u7684heap\u8868\u6539\u4e3a\u57fa\u4e8e\u786c\u76d8\u7684MyISAM\u8868\u3002\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6etmp_table_size\u9009\u9879\u6765\u589e\u52a0\u4e34\u65f6\u8868\u7684\u5927\u5c0f\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u8c03\u9ad8\u8be5\u503c\uff0cMySQL\u540c\u65f6\u5c06\u589e\u52a0heap\u8868\u7684\u5927\u5c0f\uff0c\u53ef\u8fbe\u5230\u63d0\u9ad8\u8054\u63a5\u67e5\u8be2\u901f\u5ea6\u7684\u6548\u679c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>read_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n2M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u8bfb\u5165\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u5bf9\u8868\u8fdb\u884c\u987a\u5e8f\u626b\u63cf\u7684\u8bf7\u6c42\u5c06\u5206\u914d\u4e00\u4e2a\u8bfb\u5165\u7f13\u51b2\u533a\uff0cMySQL\u4f1a\u4e3a\u5b83\u5206\u914d\u4e00\u6bb5\u5185\u5b58\u7f13\u51b2\u533a\u3002read_buffer_size\u53d8\u91cf\u63a7\u5236\u8fd9\u4e00\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u5bf9\u8868\u7684\u987a\u5e8f\u626b\u63cf\u8bf7\u6c42\u975e\u5e38\u9891\u7e41\uff0c\u5e76\u4e14\u4f60\u8ba4\u4e3a\u9891\u7e41\u626b\u63cf\u8fdb\u884c\u5f97\u592a\u6162\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u8be5\u53d8\u91cf\u503c\u4ee5\u53ca\u5185\u5b58\u7f13\u51b2\u533a\u5927\u5c0f\u63d0\u9ad8\u5176\u6027\u80fd\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>read_rnd_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u7684\u968f\u673a\u8bfb\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u5f53\u6309\u4efb\u610f\u987a\u5e8f\u8bfb\u53d6\u884c\u65f6(\u4f8b\u5982\uff0c\u6309\u7167\u6392\u5e8f\u987a\u5e8f)\uff0c\u5c06\u5206\u914d\u4e00\u4e2a\u968f\u673a\u8bfb\u7f13\u5b58\u533a\u3002\u8fdb\u884c\u6392\u5e8f\u67e5\u8be2\u65f6\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u4f1a\u9996\u5148\u626b\u63cf\u4e00\u904d\u8be5\u7f13\u51b2\uff0c\u4ee5\u907f\u514d\u78c1\u76d8\u641c\u7d22\uff0c\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\uff0c\u5982\u679c\u9700\u8981\u6392\u5e8f\u5927\u91cf\u6570\u636e\uff0c\u53ef\u9002\u5f53\u8c03\u9ad8\u8be5\u503c\u3002\u4f46MySQL\u4f1a\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u8fde\u63a5\u53d1\u653e\u8be5\u7f13\u51b2\u7a7a\u95f4\uff0c\u6240\u4ee5\u5e94\u5c3d\u91cf\u9002\u5f53\u8bbe\u7f6e\u8be5\u503c\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u5f00\u9500\u8fc7\u5927\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>sort_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u6267\u884c\u6392\u5e8f\u4f7f\u7528\u7684\u7f13\u51b2\u5927\u5c0f\u3002\u5982\u679c\u60f3\u8981\u589e\u52a0ORDER\u00a0BY\u7684\u901f\u5ea6\uff0c\u9996\u5148\u770b\u662f\u5426\u53ef\u4ee5\u8ba9MySQL\u4f7f\u7528\u7d22\u5f15\u800c\u4e0d\u662f\u989d\u5916\u7684\u6392\u5e8f\u9636\u6bb5\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u4e0d\u80fd\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u589e\u52a0sort_buffer_size\u53d8\u91cf\u7684\u5927\u5c0f\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>join_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\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\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>thread_cache_size<br \/>\n\u00a0=\u00a0<br \/>\n8<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u8fd9\u4e2a\u503c\uff08\u9ed8\u8ba48\uff09\u8868\u793a\u53ef\u4ee5\u91cd\u65b0\u5229\u7528\u4fdd\u5b58\u5728\u7f13\u5b58\u4e2d\u7ebf\u7a0b\u7684\u6570\u91cf\uff0c\u5f53\u65ad\u5f00\u8fde\u63a5\u65f6\u5982\u679c\u7f13\u5b58\u4e2d\u8fd8\u6709\u7a7a\u95f4\uff0c\u90a3\u4e48\u5ba2\u6237\u7aef\u7684\u7ebf\u7a0b\u5c06\u88ab\u653e\u5230\u7f13\u5b58\u4e2d\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u7ebf\u7a0b\u91cd\u65b0\u88ab\u8bf7\u6c42\uff0c\u90a3\u4e48\u8bf7\u6c42\u5c06\u4ece\u7f13\u5b58\u4e2d\u8bfb\u53d6,\u5982\u679c\u7f13\u5b58\u4e2d\u662f\u7a7a\u7684\u6216\u8005\u662f\u65b0\u7684\u8bf7\u6c42\uff0c\u90a3\u4e48\u8fd9\u4e2a\u7ebf\u7a0b\u5c06\u88ab\u91cd\u65b0\u521b\u5efa,\u5982\u679c\u6709\u5f88\u591a\u65b0\u7684\u7ebf\u7a0b\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u589e\u52a0\u8fd9\u4e2a\u503c\u53ef\u4ee5\u6539\u5584\u7cfb\u7edf\u6027\u80fd.\u901a\u8fc7\u6bd4\u8f83Connections\u548cThreads_created\u72b6\u6001\u7684\u53d8\u91cf\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u53d8\u91cf\u7684\u4f5c\u7528\u3002(\ufffd<\/p>\n<blockquote><\/blockquote>\n<p>\u8868\u793a\u8981\u8c03\u6574\u7684\u503c)\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6839\u636e\u7269\u7406\u5185\u5b58\u8bbe\u7f6e\u89c4\u5219\u5982\u4e0b\uff1a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a01G\u00a0\u00a0\u2015<\/p>\n<blockquote><\/blockquote>\n<p>\u00a08\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a02G\u00a0\u00a0\u2015<\/p>\n<blockquote><\/blockquote>\n<p>\u00a016\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a03G\u00a0\u00a0\u2015<\/p>\n<blockquote><\/blockquote>\n<p>\u00a032\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5927\u4e8e3G\u00a0\u00a0\u2015<\/p>\n<blockquote><\/blockquote>\n<p>\u00a064\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>query_cache_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#MySQL\u7684\u67e5\u8be2\u7f13\u51b2\u5927\u5c0f\uff08\u4ece4.0.1\u5f00\u59cb\uff0cMySQL\u63d0\u4f9b\u4e86\u67e5\u8be2\u7f13\u51b2\u673a\u5236\uff09\u4f7f\u7528\u67e5\u8be2\u7f13\u51b2\uff0cMySQL\u5c06SELECT\u8bed\u53e5\u548c\u67e5\u8be2\u7ed3\u679c\u5b58\u653e\u5728\u7f13\u51b2\u533a\u4e2d\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4eca\u540e\u5bf9\u4e8e\u540c\u6837\u7684SELECT\u8bed\u53e5\uff08\u533a\u5206\u5927\u5c0f\u5199\uff09\uff0c\u5c06\u76f4\u63a5\u4ece\u7f13\u51b2\u533a\u4e2d\u8bfb\u53d6\u7ed3\u679c\u3002\u6839\u636eMySQL\u7528\u6237\u624b\u518c\uff0c\u4f7f\u7528\u67e5\u8be2\u7f13\u51b2\u6700\u591a\u53ef\u4ee5\u8fbe\u5230238%\u7684\u6548\u7387\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u901a\u8fc7\u68c0\u67e5\u72b6\u6001\u503c&#x27;Qcache_%&#x27;\uff0c\u53ef\u4ee5\u77e5\u9053query_cache_size\u8bbe\u7f6e\u662f\u5426\u5408\u7406\uff1a\u5982\u679cQcache_lowmem_prunes\u7684\u503c\u975e\u5e38\u5927\uff0c\u5219\u8868\u660e\u7ecf\u5e38\u51fa\u73b0\u7f13\u51b2\u4e0d\u591f\u7684\u60c5\u51b5\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679cQcache_hits\u7684\u503c\u4e5f\u975e\u5e38\u5927\uff0c\u5219\u8868\u660e\u67e5\u8be2\u7f13\u51b2\u4f7f\u7528\u975e\u5e38\u9891\u7e41\uff0c\u6b64\u65f6\u9700\u8981\u589e\u52a0\u7f13\u51b2\u5927\u5c0f\uff1b\u5982\u679cQcache_hits\u7684\u503c\u4e0d\u5927\uff0c\u5219\u8868\u660e\u4f60\u7684\u67e5\u8be2\u91cd\u590d\u7387\u5f88\u4f4e\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f7f\u7528\u67e5\u8be2\u7f13\u51b2\u53cd\u800c\u4f1a\u5f71\u54cd\u6548\u7387\uff0c\u90a3\u4e48\u53ef\u4ee5\u8003\u8651\u4e0d\u7528\u67e5\u8be2\u7f13\u51b2\u3002\u6b64\u5916\uff0c\u5728SELECT\u8bed\u53e5\u4e2d\u52a0\u5165SQL_NO_CACHE\u53ef\u4ee5\u660e\u786e\u8868\u793a\u4e0d\u4f7f\u7528\u67e5\u8be2\u7f13\u51b2\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>query_cache_limit<br \/>\n\u00a0=\u00a0<br \/>\n2M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u6307\u5b9a\u5355\u4e2a\u67e5\u8be2\u80fd\u591f\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u9ed8\u8ba41M\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>key_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n4M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u6307\u5b9a\u7528\u4e8e\u7d22\u5f15\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u589e\u52a0\u5b83\u53ef\u5f97\u5230\u66f4\u597d\u5904\u7406\u7684\u7d22\u5f15(\u5bf9\u6240\u6709\u8bfb\u548c\u591a\u91cd\u5199)\uff0c\u5230\u4f60\u80fd\u8d1f\u62c5\u5f97\u8d77\u90a3\u6837\u591a\u3002\u5982\u679c\u4f60\u4f7f\u5b83\u592a\u5927\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u7cfb\u7edf\u5c06\u5f00\u59cb\u6362\u9875\u5e76\u4e14\u771f\u7684\u53d8\u6162\u4e86\u3002\u5bf9\u4e8e\u5185\u5b58\u57284GB\u5de6\u53f3\u7684\u670d\u52a1\u5668\u8be5\u53c2\u6570\u53ef\u8bbe\u7f6e\u4e3a384M\u6216512M\u3002\u901a\u8fc7\u68c0\u67e5\u72b6\u6001\u503cKey_read_requests\u548cKey_reads\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u53ef\u4ee5\u77e5\u9053key_buffer_size\u8bbe\u7f6e\u662f\u5426\u5408\u7406\u3002\u6bd4\u4f8bkey_reads\/key_read_requests\u5e94\u8be5\u5c3d\u53ef\u80fd\u7684\u4f4e\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u81f3\u5c11\u662f1:100\uff0c1:1000\u66f4\u597d(\u4e0a\u8ff0\u72b6\u6001\u503c\u53ef\u4ee5\u4f7f\u7528SHOW\u00a0STATUS\u00a0LIKE\u00a0&#x27;key_read%&#x27;\u83b7\u5f97)\u3002\u6ce8\u610f\uff1a\u8be5\u53c2\u6570\u503c\u8bbe\u7f6e\u7684\u8fc7\u5927\u53cd\u800c\u4f1a\u662f\u670d\u52a1\u5668\u6574\u4f53\u6548\u7387\u964d\u4f4e\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>ft_min_word_len<br \/>\n\u00a0=\u00a0<br \/>\n4<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5206\u8bcd\u8bcd\u6c47\u6700\u5c0f\u957f\u5ea6\uff0c\u9ed8\u8ba44\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>transaction_isolation<br \/>\n\u00a0=\u00a0<br \/>\nREPEATABLE<br \/>\n-READ\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u652f\u63014\u79cd\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u4ed6\u4eec\u5206\u522b\u662f\uff1a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0READ-UNCOMMITTED,\u00a0READ-COMMITTED,\u00a0REPEATABLE-READ,\u00a0SERIALIZABLE.\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u6ca1\u6709\u6307\u5b9a\uff0cMySQL\u9ed8\u8ba4\u91c7\u7528\u7684\u662fREPEATABLE-READ\uff0cORACLE\u9ed8\u8ba4\u7684\u662fREAD-COMMITTED\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>log_bin<br \/>\n\u00a0=\u00a0<br \/>\nmysql<br \/>\n-bin\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>binlog_format<br \/>\n\u00a0=\u00a0<br \/>\nmixed<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>expire_logs_days<br \/>\n\u00a0=\u00a0<br \/>\n30<br \/>\n\u00a0#\u8d85\u8fc730\u5929\u7684binlog\u5220\u9664\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>log_error<br \/>\n\u00a0=\u00a0\/data\/mysql\/mysql-error.log\u00a0#\u9519\u8bef\u65e5\u5fd7\u8def\u5f84\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>slow_query_log<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>long_query_time<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0#\u6162\u67e5\u8be2\u65f6\u95f4\u00a0\u8d85\u8fc71\u79d2\u5219\u4e3a\u6162\u67e5\u8be2\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>slow_query_log_file<br \/>\n\u00a0=\u00a0\/data\/mysql\/mysql-slow.log\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>performance_schema<br \/>\n\u00a0=\u00a0<br \/>\n0<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>explicit_defaults_for_timestamp\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#<br \/>\nlower_case_table_names<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0#\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>skip-external-locking\u00a0#MySQL\u9009\u9879\u4ee5\u907f\u514d\u5916\u90e8\u9501\u5b9a\u3002\u8be5\u9009\u9879\u9ed8\u8ba4\u5f00\u542f\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>default-storage-engine<br \/>\n\u00a0=\u00a0<br \/>\nInnoDB<br \/>\n\u00a0#\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_file_per_table<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0InnoDB\u4e3a\u72ec\u7acb\u8868\u7a7a\u95f4\u6a21\u5f0f\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u7684\u6bcf\u4e2a\u8868\u90fd\u4f1a\u751f\u6210\u4e00\u4e2a\u6570\u636e\u7a7a\u95f4\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u72ec\u7acb\u8868\u7a7a\u95f4\u4f18\u70b9\uff1a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a01\uff0e\u6bcf\u4e2a\u8868\u90fd\u6709\u81ea\u5df2\u72ec\u7acb\u7684\u8868\u7a7a\u95f4\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a02\uff0e\u6bcf\u4e2a\u8868\u7684\u6570\u636e\u548c\u7d22\u5f15\u90fd\u4f1a\u5b58\u5728\u81ea\u5df2\u7684\u8868\u7a7a\u95f4\u4e2d\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a03\uff0e\u53ef\u4ee5\u5b9e\u73b0\u5355\u8868\u5728\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e2d\u79fb\u52a8\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a04\uff0e\u7a7a\u95f4\u53ef\u4ee5\u56de\u6536\uff08\u9664drop\u00a0table\u64cd\u4f5c\u5904\uff0c\u8868\u7a7a\u4e0d\u80fd\u81ea\u5df2\u56de\u6536\uff09\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u7f3a\u70b9\uff1a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5355\u8868\u589e\u52a0\u8fc7\u5927\uff0c\u5982\u8d85\u8fc7100G\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u7ed3\u8bba\uff1a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5171\u4eab\u8868\u7a7a\u95f4\u5728Insert\u64cd\u4f5c\u4e0a\u5c11\u6709\u4f18\u52bf\u3002\u5176\u5b83\u90fd\u6ca1\u72ec\u7acb\u8868\u7a7a\u95f4\u8868\u73b0\u597d\u3002\u5f53\u542f\u7528\u72ec\u7acb\u8868\u7a7a\u95f4\u65f6\uff0c\u8bf7\u5408\u7406\u8c03\u6574\uff1ainnodb_open_files\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_open_files<br \/>\n\u00a0=\u00a0<br \/>\n500<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u9650\u5236Innodb\u80fd\u6253\u5f00\u7684\u8868\u7684\u6570\u636e\uff0c\u5982\u679c\u5e93\u91cc\u7684\u8868\u7279\u522b\u591a\u7684\u60c5\u51b5\uff0c\u8bf7\u589e\u52a0\u8fd9\u4e2a\u3002\u8fd9\u4e2a\u503c\u9ed8\u8ba4\u662f300\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_buffer_pool_size<br \/>\n\u00a0=\u00a0<br \/>\n64M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0InnoDB\u4f7f\u7528\u4e00\u4e2a\u7f13\u51b2\u6c60\u6765\u4fdd\u5b58\u7d22\u5f15\u548c\u539f\u59cb\u6570\u636e,\u00a0\u4e0d\u50cfMyISAM.\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u8fd9\u91cc\u4f60\u8bbe\u7f6e\u8d8a\u5927,\u4f60\u5728\u5b58\u53d6\u8868\u91cc\u9762\u6570\u636e\u65f6\u6240\u9700\u8981\u7684\u78c1\u76d8I\/O\u8d8a\u5c11.\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5728\u4e00\u4e2a\u72ec\u7acb\u4f7f\u7528\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a,\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u8fd9\u4e2a\u53d8\u91cf\u5230\u670d\u52a1\u5668\u7269\u7406\u5185\u5b58\u5927\u5c0f\u768480%\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4e0d\u8981\u8bbe\u7f6e\u8fc7\u5927,\u5426\u5219,\u7531\u4e8e\u7269\u7406\u5185\u5b58\u7684\u7ade\u4e89\u53ef\u80fd\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u7684\u6362\u9875\u98a0\u7c38.\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6ce8\u610f\u572832\u4f4d\u7cfb\u7edf\u4e0a\u4f60\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u80fd\u88ab\u9650\u5236\u5728\u00a02-3.5G\u00a0\u7528\u6237\u5c42\u9762\u5185\u5b58\u9650\u5236,\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6240\u4ee5\u4e0d\u8981\u8bbe\u7f6e\u7684\u592a\u9ad8.\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_write_io_threads<br \/>\n\u00a0=\u00a0<br \/>\n4<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_read_io_threads<br \/>\n\u00a0=\u00a0<br \/>\n4<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0innodb\u4f7f\u7528\u540e\u53f0\u7ebf\u7a0b\u5904\u7406\u6570\u636e\u9875\u4e0a\u7684\u8bfb\u5199\u00a0I\/O(\u8f93\u5165\u8f93\u51fa)\u8bf7\u6c42,\u6839\u636e\u4f60\u7684\u00a0CPU\u00a0\u6838\u6570\u6765\u66f4\u6539,\u9ed8\u8ba4\u662f4\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6ce8:\u8fd9\u4e24\u4e2a\u53c2\u6570\u4e0d\u652f\u6301\u52a8\u6001\u6539\u53d8,\u9700\u8981\u628a\u8be5\u53c2\u6570\u52a0\u5165\u5230my.cnf\u91cc\uff0c\u4fee\u6539\u5b8c\u540e\u91cd\u542fMySQL\u670d\u52a1,\u5141\u8bb8\u503c\u7684\u8303\u56f4\u4ece\u00a01-64\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_thread_concurrency<br \/>\n\u00a0=\u00a0<br \/>\n0<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u00a00,\u8868\u793a\u4e0d\u9650\u5236\u5e76\u53d1\u6570\uff0c\u8fd9\u91cc\u63a8\u8350\u8bbe\u7f6e\u4e3a0\uff0c\u66f4\u597d\u53bb\u53d1\u6325CPU\u591a\u6838\u5904\u7406\u80fd\u529b\uff0c\u63d0\u9ad8\u5e76\u53d1\u91cf\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_purge_threads<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0InnoDB\u4e2d\u7684\u6e05\u9664\u64cd\u4f5c\u662f\u4e00\u7c7b\u5b9a\u671f\u56de\u6536\u65e0\u7528\u6570\u636e\u7684\u64cd\u4f5c\u3002\u5728\u4e4b\u524d\u7684\u51e0\u4e2a\u7248\u672c\u4e2d\uff0c\u6e05\u9664\u64cd\u4f5c\u662f\u4e3b\u7ebf\u7a0b\u7684\u4e00\u90e8\u5206\uff0c\u8fd9\u610f\u5473\u7740\u8fd0\u884c\u65f6\u5b83\u53ef\u80fd\u4f1a\u5835\u585e\u5176\u5b83\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4eceMySQL5.5.X\u7248\u672c\u5f00\u59cb\uff0c\u8be5\u64cd\u4f5c\u8fd0\u884c\u4e8e\u72ec\u7acb\u7684\u7ebf\u7a0b\u4e2d,\u5e76\u652f\u6301\u66f4\u591a\u7684\u5e76\u53d1\u6570\u3002\u7528\u6237\u53ef\u901a\u8fc7\u8bbe\u7f6einnodb_purge_threads\u914d\u7f6e\u53c2\u6570\u6765\u9009\u62e9\u6e05\u9664\u64cd\u4f5c\u662f\u5426\u4f7f\u7528\u5355\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u72ec\u7ebf\u7a0b,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53c2\u6570\u8bbe\u7f6e\u4e3a0(\u4e0d\u4f7f\u7528\u5355\u72ec\u7ebf\u7a0b),\u8bbe\u7f6e\u4e3a\u00a01\u00a0\u65f6\u8868\u793a\u4f7f\u7528\u5355\u72ec\u7684\u6e05\u9664\u7ebf\u7a0b\u3002\u5efa\u8bae\u4e3a1\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_flush_log_at_trx_commit<br \/>\n\u00a0=\u00a0<br \/>\n2<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a00\uff1a\u5982\u679cinnodb_flush_log_at_trx_commit\u7684\u503c\u4e3a0,log\u00a0buffer\u6bcf\u79d2\u5c31\u4f1a\u88ab\u5237\u5199\u65e5\u5fd7\u6587\u4ef6\u5230\u78c1\u76d8\uff0c\u63d0\u4ea4\u4e8b\u52a1\u7684\u65f6\u5019\u4e0d\u505a\u4efb\u4f55\u64cd\u4f5c\uff08\u6267\u884c\u662f\u7531mysql\u7684master\u00a0thread\u7ebf\u7a0b\u6765\u6267\u884c\u7684\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4e3b\u7ebf\u7a0b\u4e2d\u6bcf\u79d2\u4f1a\u5c06\u91cd\u505a\u65e5\u5fd7\u7f13\u51b2\u5199\u5165\u78c1\u76d8\u7684\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6(REDO\u00a0LOG)\u4e2d\u3002\u4e0d\u8bba\u4e8b\u52a1\u662f\u5426\u5df2\u7ecf\u63d0\u4ea4\uff09\u9ed8\u8ba4\u7684\u65e5\u5fd7\u6587\u4ef6\u662fib_logfile0,ib_logfile1\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a01\uff1a\u5f53\u8bbe\u4e3a\u9ed8\u8ba4\u503c1\u7684\u65f6\u5019\uff0c\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u7684\u65f6\u5019\uff0c\u90fd\u4f1a\u5c06log\u00a0buffer\u5237\u5199\u5230\u65e5\u5fd7\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a02\uff1a\u5982\u679c\u8bbe\u4e3a2,\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fd\u4f1a\u5199\u65e5\u5fd7\uff0c\u4f46\u5e76\u4e0d\u4f1a\u6267\u884c\u5237\u7684\u64cd\u4f5c\u3002\u6bcf\u79d2\u5b9a\u65f6\u4f1a\u5237\u5230\u65e5\u5fd7\u6587\u4ef6\u3002\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e76\u4e0d\u80fd\u4fdd\u8bc1100%\u6bcf\u79d2\u4e00\u5b9a\u90fd\u4f1a\u5237\u5230\u78c1\u76d8\uff0c\u8fd9\u8981\u53d6\u51b3\u4e8e\u8fdb\u7a0b\u7684\u8c03\u5ea6\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6bcf\u6b21\u4e8b\u52a1\u63d0\u4ea4\u7684\u65f6\u5019\u5c06\u6570\u636e\u5199\u5165\u4e8b\u52a1\u65e5\u5fd7\uff0c\u800c\u8fd9\u91cc\u7684\u5199\u5165\u4ec5\u662f\u8c03\u7528\u4e86\u6587\u4ef6\u7cfb\u7edf\u7684\u5199\u5165\u64cd\u4f5c\uff0c\u800c\u6587\u4ef6\u7cfb\u7edf\u662f\u6709\u00a0\u7f13\u5b58\u7684\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5199\u5165\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u6570\u636e\u5df2\u7ecf\u5199\u5165\u5230\u7269\u7406\u78c1\u76d8\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u9ed8\u8ba4\u503c1\u662f\u4e3a\u4e86\u4fdd\u8bc1\u5b8c\u6574\u7684ACID\u3002\u5f53\u7136\uff0c\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u914d\u7f6e\u9879\u8bbe\u4e3a1\u4ee5\u5916\u7684\u503c\u6765\u6362\u53d6\u66f4\u9ad8\u7684\u6027\u80fd\uff0c\u4f46\u662f\u5728\u7cfb\u7edf\u5d29\u6e83\u7684\u65f6\u5019\uff0c\u4f60\u5c06\u4f1a\u4e22\u59311\u79d2\u7684\u6570\u636e\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u8bbe\u4e3a0\u7684\u8bdd\uff0cmysqld\u8fdb\u7a0b\u5d29\u6e83\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u4e22\u5931\u6700\u540e1\u79d2\u7684\u4e8b\u52a1\u3002\u8bbe\u4e3a2,\u53ea\u6709\u5728\u64cd\u4f5c\u7cfb\u7edf\u5d29\u6e83\u6216\u8005\u65ad\u7535\u7684\u65f6\u5019\u624d\u4f1a\u4e22\u5931\u6700\u540e1\u79d2\u7684\u6570\u636e\u3002InnoDB\u5728\u505a\u6062\u590d\u7684\u65f6\u5019\u4f1a\u5ffd\u7565\u8fd9\u4e2a\u503c\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u603b\u7ed3\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u8bbe\u4e3a1\u5f53\u7136\u662f\u6700\u5b89\u5168\u7684\uff0c\u4f46\u6027\u80fd\u9875\u662f\u6700\u5dee\u7684\uff08\u76f8\u5bf9\u5176\u4ed6\u4e24\u4e2a\u53c2\u6570\u800c\u8a00\uff0c\u4f46\u4e0d\u662f\u4e0d\u80fd\u63a5\u53d7\uff09\u3002\u5982\u679c\u5bf9\u6570\u636e\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u8981\u6c42\u4e0d\u9ad8\uff0c\u5b8c\u5168\u53ef\u4ee5\u8bbe\u4e3a2\uff0c\u5982\u679c\u53ea\u6700\u6c42\u6027\u80fd\uff0c\u4f8b\u5982\u9ad8\u5e76\u53d1\u5199\u7684\u65e5\u5fd7\u670d\u52a1\u5668\uff0c\u8bbe\u4e3a0\u6765\u83b7\u5f97\u66f4\u9ad8\u6027\u80fd\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_log_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n2M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6b64\u53c2\u6570\u786e\u5b9a\u4e9b\u65e5\u5fd7\u6587\u4ef6\u6240\u7528\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u4ee5M\u4e3a\u5355\u4f4d\u3002\u7f13\u51b2\u533a\u66f4\u5927\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u610f\u5916\u7684\u6545\u969c\u5c06\u4f1a\u4e22\u5931\u6570\u636e\u3002MySQL\u5f00\u53d1\u4eba\u5458\u5efa\u8bae\u8bbe\u7f6e\u4e3a1\uff0d8M\u4e4b\u95f4\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_log_file_size<br \/>\n\u00a0=\u00a0<br \/>\n32M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6b64\u53c2\u6570\u786e\u5b9a\u6570\u636e\u65e5\u5fd7\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u66f4\u5927\u7684\u8bbe\u7f6e\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u6062\u590d\u6545\u969c\u6570\u636e\u5e93\u6240\u9700\u7684\u65f6\u95f4\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_log_files_in_group<br \/>\n\u00a0=\u00a0<br \/>\n3<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u4e3a\u63d0\u9ad8\u6027\u80fd\uff0cMySQL\u53ef\u4ee5\u4ee5\u5faa\u73af\u65b9\u5f0f\u5c06\u65e5\u5fd7\u6587\u4ef6\u5199\u5230\u591a\u4e2a\u6587\u4ef6\u3002\u63a8\u8350\u8bbe\u7f6e\u4e3a3\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_max_dirty_pages_pct<br \/>\n\u00a0=\u00a0<br \/>\n90<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0innodb\u4e3b\u7ebf\u7a0b\u5237\u65b0\u7f13\u5b58\u6c60\u4e2d\u7684\u6570\u636e\uff0c\u4f7f\u810f\u6570\u636e\u6bd4\u4f8b\u5c0f\u4e8e90%\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>innodb_lock_wait_timeout<br \/>\n\u00a0=\u00a0<br \/>\n120<br \/>\n\u00a0\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0InnoDB\u4e8b\u52a1\u5728\u88ab\u56de\u6eda\u4e4b\u524d\u53ef\u4ee5\u7b49\u5f85\u4e00\u4e2a\u9501\u5b9a\u7684\u8d85\u65f6\u79d2\u6570\u3002InnoDB\u5728\u5b83\u81ea\u5df1\u7684\u9501\u5b9a\u8868\u4e2d\u81ea\u52a8\u68c0\u6d4b\u4e8b\u52a1\u6b7b\u9501\u5e76\u4e14\u56de\u6eda\u4e8b\u52a1\u3002InnoDB\u7528LOCK\u00a0TABLES\u8bed\u53e5\u6ce8\u610f\u5230\u9501\u5b9a\u8bbe\u7f6e\u3002\u9ed8\u8ba4\u503c\u662f50\u79d2\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>bulk_insert_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6279\u91cf\u63d2\u5165\u7f13\u5b58\u5927\u5c0f\uff0c\u00a0\u8fd9\u4e2a\u53c2\u6570\u662f\u9488\u5bf9MyISAM\u5b58\u50a8\u5f15\u64ce\u6765\u8bf4\u7684\u3002\u9002\u7528\u4e8e\u5728\u4e00\u6b21\u6027\u63d2\u5165100-1000+\u6761\u8bb0\u5f55\u65f6\uff0c\u00a0\u63d0\u9ad8\u6548\u7387\u3002\u9ed8\u8ba4\u503c\u662f8M\u3002\u53ef\u4ee5\u9488\u5bf9\u6570\u636e\u91cf\u7684\u5927\u5c0f\uff0c\u7ffb\u500d\u589e\u52a0\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>myisam_sort_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MyISAM\u8bbe\u7f6e\u6062\u590d\u8868\u4e4b\u65f6\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u7684\u5c3a\u5bf8\uff0c\u5f53\u5728REPAIR\u00a0TABLE\u6216\u7528CREATE\u00a0INDEX\u521b\u5efa\u7d22\u5f15\u6216ALTER\u00a0TABLE\u8fc7\u7a0b\u4e2d\u6392\u5e8f\u00a0MyISAM\u7d22\u5f15\u5206\u914d\u7684\u7f13\u51b2\u533a\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>myisam_max_sort_file_size<br \/>\n\u00a0=\u00a0<br \/>\n10G<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u4e34\u65f6\u6587\u4ef6\u4f1a\u53d8\u5f97\u8d85\u8fc7\u7d22\u5f15\uff0c\u4e0d\u8981\u4f7f\u7528\u5feb\u901f\u6392\u5e8f\u7d22\u5f15\u65b9\u6cd5\u6765\u521b\u5efa\u4e00\u4e2a\u7d22\u5f15\u3002\u6ce8\u91ca\uff1a\u8fd9\u4e2a\u53c2\u6570\u4ee5\u5b57\u8282\u7684\u5f62\u5f0f\u7ed9\u51fa\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>myisam_repair_threads<br \/>\n\u00a0=\u00a0<br \/>\n1<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5982\u679c\u8be5\u503c\u5927\u4e8e1\uff0c\u5728Repair\u00a0by\u00a0sorting\u8fc7\u7a0b\u4e2d\u5e76\u884c\u521b\u5efaMyISAM\u8868\u7d22\u5f15(\u6bcf\u4e2a\u7d22\u5f15\u5728\u81ea\u5df1\u7684\u7ebf\u7a0b\u5185)\u00a0\u00a0\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>interactive_timeout<br \/>\n\u00a0=\u00a0<br \/>\n28800<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u670d\u52a1\u5668\u5173\u95ed\u4ea4\u4e92\u5f0f\u8fde\u63a5\u524d\u7b49\u5f85\u6d3b\u52a8\u7684\u79d2\u6570\u3002\u4ea4\u4e92\u5f0f\u5ba2\u6237\u7aef\u5b9a\u4e49\u4e3a\u5728mysql_real_connect()\u4e2d\u4f7f\u7528CLIENT_INTERACTIVE\u9009\u9879\u7684\u5ba2\u6237\u7aef\u3002\u9ed8\u8ba4\u503c\uff1a28800\u79d2\uff088\u5c0f\u65f6\uff09\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>wait_timeout<br \/>\n\u00a0=\u00a0<br \/>\n28800<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u670d\u52a1\u5668\u5173\u95ed\u975e\u4ea4\u4e92\u8fde\u63a5\u4e4b\u524d\u7b49\u5f85\u6d3b\u52a8\u7684\u79d2\u6570\u3002\u5728\u7ebf\u7a0b\u542f\u52a8\u65f6\uff0c\u6839\u636e\u5168\u5c40wait_timeout\u503c\u6216\u5168\u5c40interactive_timeout\u503c\u521d\u59cb\u5316\u4f1a\u8bddwait_timeout\u503c\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u53d6\u51b3\u4e8e\u5ba2\u6237\u7aef\u7c7b\u578b(\u7531mysql_real_connect()\u7684\u8fde\u63a5\u9009\u9879CLIENT_INTERACTIVE\u5b9a\u4e49)\u3002\u53c2\u6570\u9ed8\u8ba4\u503c\uff1a28800\u79d2\uff088\u5c0f\u65f6\uff09\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0MySQL\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u5927\u8fde\u63a5\u6570\u662f\u6709\u4e0a\u9650\u7684\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u8fde\u63a5\u7684\u5efa\u7acb\u90fd\u4f1a\u6d88\u8017\u5185\u5b58\uff0c\u56e0\u6b64\u6211\u4eec\u5e0c\u671b\u5ba2\u6237\u7aef\u5728\u8fde\u63a5\u5230MySQL\u00a0Server\u5904\u7406\u5b8c\u76f8\u5e94\u7684\u64cd\u4f5c\u540e\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5e94\u8be5\u65ad\u5f00\u8fde\u63a5\u5e76\u91ca\u653e\u5360\u7528\u7684\u5185\u5b58\u3002\u5982\u679c\u4f60\u7684MySQL\u00a0Server\u6709\u5927\u91cf\u7684\u95f2\u7f6e\u8fde\u63a5\uff0c\u4ed6\u4eec\u4e0d\u4ec5\u4f1a\u767d\u767d\u6d88\u8017\u5185\u5b58\uff0c\u800c\u4e14\u5982\u679c\u8fde\u63a5\u4e00\u76f4\u5728\u7d2f\u52a0\u800c\u4e0d\u65ad\u5f00\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u6700\u7ec8\u80af\u5b9a\u4f1a\u8fbe\u5230MySQL\u00a0Server\u7684\u8fde\u63a5\u4e0a\u9650\u6570\uff0c\u8fd9\u4f1a\u62a5&#x27;too\u00a0many\u00a0connections&#x27;\u7684\u9519\u8bef\u3002\u5bf9\u4e8ewait_timeout\u7684\u503c\u8bbe\u5b9a\uff0c\u5e94\u8be5\u6839\u636e\u7cfb\u7edf\u7684\u8fd0\u884c\u60c5\u51b5\u6765\u5224\u65ad\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u5728\u7cfb\u7edf\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7show\u00a0processlist\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684\u8fde\u63a5\u72b6\u6001\uff0c\u5982\u679c\u53d1\u73b0\u6709\u5927\u91cf\u7684sleep\u72b6\u6001\u7684\u8fde\u63a5\u8fdb\u7a0b\uff0c\u5219\u8bf4\u660e\u8be5\u53c2\u6570\u8bbe\u7f6e\u7684\u8fc7\u5927\uff0c\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>#\u00a0\u53ef\u4ee5\u8fdb\u884c\u9002\u5f53\u7684\u8c03\u6574\u5c0f\u4e9b\u3002\u8981\u540c\u65f6\u8bbe\u7f6einteractive_timeout\u548cwait_timeout\u624d\u4f1a\u751f\u6548\u3002\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>[mysqldump]\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>quick\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>max_allowed_packet<br \/>\n\u00a0=\u00a0<br \/>\n16M<br \/>\n\u00a0#\u670d\u52a1\u5668\u53d1\u9001\u548c\u63a5\u53d7\u7684\u6700\u5927\u5305\u957f\u5ea6\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>[myisamchk]\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>key_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>sort_buffer_size<br \/>\n\u00a0=\u00a0<br \/>\n8M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>read_buffer<br \/>\n\u00a0=\u00a0<br \/>\n4M<br \/>\n\u00a0\u00a0<\/p>\n<ol>\n<li><\/li>\n<\/ol>\n<p>write_buffer<br \/>\n\u00a0=\u00a0<br \/>\n4M<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u8c03\u4f18\u53ef\u4ee5\u4ece\u51e0\u4e2a\u65b9\u9762\u6765\u505a\uff1a \u67b6\u6784\u5c42\uff1a \u505a\u4ece\u5e93\uff0c\u5b9e\u73b0\u8bfb\u5199\u5206\u79bb\uff1b 2.\u7cfb\u7edf\u5c42\u6b21\uff1a \u589e\u52a0\u5185\u5b58\uff1b \u7ed9\u78c1\u76d8\u505araid0\u6216\u8005raid5\u4ee5\u589e\u52a0\u78c1\u76d8\u7684\u8bfb\u5199\u901f\u5ea6\uff1b \u53ef\u4ee5\u91cd\u65b0\u6302\u8f7d\u78c1\u76d8\uff0c\u5e76\u52a0\u4e0anoatime\u53c2\u6570\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u78c1\u76d8\u7684i\/o; MySQL\u672c\u8eab\u8c03\u4f18\uff1a (1) \u5982\u679c\u672a\u914d\u7f6e\u4e3b\u4ece\u540c\u6b65\uff0c\u53ef\u4ee5\u628abin-log\u529f\u80fd\u5173\u95ed\uff0c\u51cf\u5c11\u78c1\u76d8i\/o (2) \u5728my.cnf\u4e2d\u52a0\u4e0askip-name-resolve,\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u7531\u4e8e\u89e3\u6790\u4e3b\u673a\u540d\u5ef6\u8fdf\u9020\u6210mysql\u6267\u884c\u6162 (3) \u8c03\u6574\u51e0\u4e2a\u5173\u952e\u7684buffer\u548ccache\u3002\u8c03\u6574\u7684\u4f9d\u636e\uff0c\u4e3b\u8981\u6839\u636e\u6570\u636e\u5e93\u7684\u72b6\u6001\u6765<\/p>\n","protected":false},"author":1,"featured_media":6522,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[5],"tags":[292,187,390,23,9,178,498,534,21,32,10,500,445],"collection":[],"_links":{"self":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/posts\/20502"}],"collection":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/comments?post=20502"}],"version-history":[{"count":0,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/posts\/20502\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/media\/6522"}],"wp:attachment":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/media?parent=20502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/categories?post=20502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/tags?post=20502"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/collection?post=20502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}