{"id":175023,"date":"2024-11-08T02:01:41","date_gmt":"2024-11-07T18:01:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175023\/"},"modified":"2024-11-08T02:01:42","modified_gmt":"2024-11-07T18:01:42","slug":"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%aemysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9b%b4%e5%a4%a7%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e5%a4%a7%e9%80%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175023\/","title":{"rendered":"\u5982\u4f55\u8a2d\u7f6eMySQL\u6578\u64da\u5eab\u7684\u66f4\u5927\u9023\u63a5\u6578\uff1f (mysql\u6578\u64da\u5eab\u66f4\u5927\u9023\u63a5\u6578)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%aemysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9b%b4%e5%a4%a7%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-jEtIouxwMn\">\u5982\u4f55\u8a2d\u7f6eMySQL\u6578\u64da\u5eab\u7684\u66f4\u5927\u9023\u63a5\u6578\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\u548c\u6578\u64da\u91cf\u7684\u64f4\u5927\uff0c\u6578\u64da\u5eab\u7684\u9023\u63a5\u6578\u9700\u6c42\u4e5f\u96a8\u4e4b\u4e0a\u5347\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8a2d\u7f6eMySQL\u6578\u64da\u5eab\u7684\u66f4\u5927\u9023\u63a5\u6578\uff0c\u4ee5\u6eff\u8db3\u9ad8\u6d41\u91cf\u61c9\u7528\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3mysql%e7%9a%84%e9%80%a3%e6%8e%a5%e6%95%b8%e9%99%90%e5%88%b6-jEtIouxwMn\">\u7406\u89e3MySQL\u7684\u9023\u63a5\u6578\u9650\u5236<\/h2>\n<p>MySQL\u7684\u9023\u63a5\u6578\u9650\u5236\u662f\u7531\u7cfb\u7d71\u8b8a\u91cf <code>max_connections<\/code> \u63a7\u5236\u7684\u3002\u9019\u500b\u8b8a\u91cf\u5b9a\u7fa9\u4e86\u540c\u6642\u53ef\u4ee5\u9023\u63a5\u5230MySQL\u670d\u52d9\u5668\u7684\u6700\u5927\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0c\u9019\u500b\u503c\u901a\u5e38\u8a2d\u7f6e\u70ba151\uff0c\u4f46\u5728\u9ad8\u6d41\u91cf\u7684\u74b0\u5883\u4e2d\uff0c\u9019\u500b\u6578\u5b57\u53ef\u80fd\u4e0d\u8db3\u4ee5\u652f\u6301\u6240\u6709\u7684\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e7%9a%84%e9%80%a3%e6%8e%a5%e6%95%b8%e8%a8%ad%e7%bd%ae-jEtIouxwMn\">\u6aa2\u67e5\u7576\u524d\u7684\u9023\u63a5\u6578\u8a2d\u7f6e<\/h2>\n<p>\u5728\u66f4\u6539\u9023\u63a5\u6578\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684 <code>max_connections<\/code> \u503c\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'max_connections';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7576\u524d\u7684\u6700\u5927\u9023\u63a5\u6578\u3002\u5982\u679c\u9700\u8981\u66f4\u6539\u9019\u500b\u503c\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e7%bd%ae%e6%9b%b4%e5%a4%a7%e7%9a%84%e9%80%a3%e6%8e%a5%e6%95%b8-jEtIouxwMn\">\u8a2d\u7f6e\u66f4\u5927\u7684\u9023\u63a5\u6578<\/h2>\n<p>\u8981\u8a2d\u7f6e\u66f4\u5927\u7684\u9023\u63a5\u6578\uff0c\u53ef\u4ee5\u901a\u904e\u4fee\u6539MySQL\u7684\u914d\u7f6e\u6587\u4ef6\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%b7%a8%e8%bc%afmysql%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-jEtIouxwMn\">1. \u7de8\u8f2fMySQL\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>MySQL\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc <code>\/etc\/my.cnf<\/code> \u6216 <code>\/etc\/mysql\/my.cnf<\/code>\u3002\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b\u8a72\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo nano \/etc\/my.cnf<\/code><\/pre>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e6%88%96%e4%bf%ae%e6%94%b9max_connections%e8%a8%ad%e7%bd%ae-jEtIouxwMn\">2. \u6dfb\u52a0\u6216\u4fee\u6539max_connections\u8a2d\u7f6e<\/h3>\n<p>\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u627e\u5230 <code>[mysqld]<\/code> \u90e8\u5206\uff0c\u7136\u5f8c\u6dfb\u52a0\u6216\u4fee\u6539 <code>max_connections<\/code> \u7684\u503c\u3002\u4f8b\u5982\uff0c\u5c07\u5176\u8a2d\u7f6e\u70ba500\uff1a<\/p>\n<pre><code>[mysqld]\nmax_connections = 500<\/code><\/pre>\n<h3 id=\"3-%e9%87%8d%e5%95%9fmysql%e6%9c%8d%e5%8b%99-jEtIouxwMn\">3. \u91cd\u555fMySQL\u670d\u52d9<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u9700\u8981\u91cd\u555fMySQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u555f\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart mysql<\/code><\/pre>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e6%9b%b4%e6%94%b9%e6%98%af%e5%90%a6%e7%94%9f%e6%95%88-jEtIouxwMn\">\u6aa2\u67e5\u66f4\u6539\u662f\u5426\u751f\u6548<\/h2>\n<p>\u91cd\u555fMySQL\u670d\u52d9\u5f8c\uff0c\u53ef\u4ee5\u518d\u6b21\u904b\u884c\u4ee5\u4e0b\u67e5\u8a62\u4f86\u78ba\u8a8d\u65b0\u7684\u9023\u63a5\u6578\u8a2d\u7f6e\u662f\u5426\u751f\u6548\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'max_connections';<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u7684\u503c\u662f\u60a8\u8a2d\u7f6e\u7684\u503c\uff0c\u5247\u8868\u793a\u66f4\u6539\u6210\u529f\u3002<\/p>\n<h2 id=\"%e8%80%83%e6%85%ae%e5%85%b6%e4%bb%96%e5%9b%a0%e7%b4%a0-jEtIouxwMn\">\u8003\u616e\u5176\u4ed6\u56e0\u7d20<\/h2>\n<p>\u5728\u8a2d\u7f6e\u66f4\u5927\u7684\u9023\u63a5\u6578\u6642\uff0c\u9084\u9700\u8981\u8003\u616e\u5176\u4ed6\u56e0\u7d20\uff0c\u4f8b\u5982\u7cfb\u7d71\u7684\u5167\u5b58\u548cCPU\u8cc7\u6e90\u3002\u6bcf\u500b\u9023\u63a5\u90fd\u6703\u6d88\u8017\u4e00\u5b9a\u7684\u7cfb\u7d71\u8cc7\u6e90\uff0c\u56e0\u6b64\u5728\u589e\u52a0\u9023\u63a5\u6578\u4e4b\u524d\uff0c\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u80fd\u5920\u8655\u7406\u9019\u4e9b\u984d\u5916\u7684\u8ca0\u8f09\u3002\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u4f86\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jEtIouxwMn\">\u7e3d\u7d50<\/h2>\n<p>\u8a2d\u7f6eMySQL\u6578\u64da\u5eab\u7684\u66f4\u5927\u9023\u63a5\u6578\u662f\u4e00\u500b\u91cd\u8981\u7684\u6b65\u9a5f\uff0c\u7279\u5225\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u74b0\u5883\u4e2d\u3002\u901a\u904e\u4fee\u6539 <code>max_connections<\/code> \u8b8a\u91cf\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u540c\u6642\u9023\u63a5\u7684\u6578\u91cf\uff0c\u5f9e\u800c\u6eff\u8db3\u7528\u6236\u9700\u6c42\u3002\u78ba\u4fdd\u5728\u9032\u884c\u9019\u4e9b\u66f4\u6539\u6642\uff0c\u8003\u616e\u5230\u4f3a\u670d\u5668\u7684\u8cc7\u6e90\u9650\u5236\uff0c\u4ee5\u907f\u514d\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u8a2d\u7f6e\u66f4\u5927\u9023\u63a5\u6578\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u548c\u8655\u7406\u80fd\u529b\uff0c\u6eff\u8db3\u9ad8\u6d41\u91cf\u9700\u6c42\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-175023","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=175023"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175023\/revisions"}],"predecessor-version":[{"id":175024,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175023\/revisions\/175024"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}