{"id":176677,"date":"2024-11-08T12:19:18","date_gmt":"2024-11-08T04:19:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176677\/"},"modified":"2024-11-08T12:19:19","modified_gmt":"2024-11-08T04:19:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e9%80%a3%e6%8e%a5%e9%81%8e%e5%a4%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176677\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u9023\u63a5\u904e\u591a"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e9%80%a3%e6%8e%a5%e9%81%8e%e5%a4%9a-VjyPaPEsMS\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u9023\u63a5\u904e\u591a<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u7d93\u5e38\u6703\u9047\u5230\u201c\u9023\u63a5\u904e\u591a\u201d\u7684\u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u540c\u6642\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u5ba2\u6236\u7aef\u6578\u91cf\u8d85\u904e\u4e86MySQL\u7684\u6700\u5927\u9023\u63a5\u6578\u9650\u5236\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u554f\u984c\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%80%a3%e6%8e%a5%e9%81%8e%e5%a4%9a%e9%8c%af%e8%aa%a4%ef%bc%9f-VjyPaPEsMS\">\u4ec0\u9ebc\u662f\u201c\u9023\u63a5\u904e\u591a\u201d\u932f\u8aa4\uff1f<\/h2>\n<p>\u7576MySQL\u4f3a\u670d\u5668\u63a5\u6536\u5230\u7684\u9023\u63a5\u8acb\u6c42\u8d85\u904e\u5176\u8a2d\u5b9a\u7684\u6700\u5927\u9023\u63a5\u6578\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u201c\u9023\u63a5\u904e\u591a\u201d\u7684\u932f\u8aa4\u3002\u9019\u901a\u5e38\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u4e26\u986f\u793a\u985e\u4f3c\u65bc\u4ee5\u4e0b\u7684\u932f\u8aa4\u4fe1\u606f\uff1a<\/p>\n<pre><code>ERROR 1040 (08004): Too many connections<\/code><\/pre>\n<p>\u9019\u500b\u932f\u8aa4\u7684\u51fa\u73fe\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u7db2\u7ad9\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%83%e5%87%ba%e7%8f%be%e9%80%a3%e6%8e%a5%e9%81%8e%e5%a4%9a%e9%8c%af%e8%aa%a4%ef%bc%9f-VjyPaPEsMS\">\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u201c\u9023\u63a5\u904e\u591a\u201d\u932f\u8aa4\uff1f<\/h2>\n<p>\u51fa\u73fe\u201c\u9023\u63a5\u904e\u591a\u201d\u932f\u8aa4\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><strong>\u6700\u5927\u9023\u63a5\u6578\u8a2d\u7f6e\u904e\u4f4e\uff1a<\/strong>MySQL\u4f3a\u670d\u5668\u7684\u9ed8\u8a8d\u6700\u5927\u9023\u63a5\u6578\u901a\u5e38\u70ba151\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u4e0d\u8db3\u4ee5\u6eff\u8db3\u9700\u6c42\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u672a\u6b63\u78ba\u95dc\u9589\u9023\u63a5\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u5728\u4f7f\u7528\u5b8c\u6578\u64da\u5eab\u5f8c\u672a\u80fd\u6b63\u78ba\u95dc\u9589\u9023\u63a5\uff0c\u5c07\u5c0e\u81f4\u9023\u63a5\u6578\u91cf\u4e0d\u65b7\u589e\u52a0\u3002<\/li>\n<li><strong>\u9ad8\u6d41\u91cf\uff1a<\/strong>\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\uff0c\u4e26\u767c\u7684\u9023\u63a5\u8acb\u6c42\u6703\u8fc5\u901f\u589e\u52a0\uff0c\u8d85\u904e\u6700\u5927\u9023\u63a5\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%80%a3%e6%8e%a5%e9%81%8e%e5%a4%9a%e9%8c%af%e8%aa%a4-VjyPaPEsMS\">\u5982\u4f55\u4fee\u5fa9\u201c\u9023\u63a5\u904e\u591a\u201d\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9\u201c\u9023\u63a5\u904e\u591a\u201d\u932f\u8aa4\u7684\u65b9\u6cd5\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e5%a2%9e%e5%8a%a0%e6%9c%80%e5%a4%a7%e9%80%a3%e6%8e%a5%e6%95%b8-VjyPaPEsMS\">1. \u589e\u52a0\u6700\u5927\u9023\u63a5\u6578<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u4fee\u6539MySQL\u7684\u914d\u7f6e\u6587\u4ef6\u4f86\u589e\u52a0\u6700\u5927\u9023\u63a5\u6578\u3002\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u627e\u5230MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u901a\u5e38\u662fmy.cnf\u6216my.ini\u3002<\/li>\n<li>\u5728[mysqld]\u90e8\u5206\u6dfb\u52a0\u6216\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a<\/li>\n<pre><code>max_connections = 300<\/code><\/pre>\n<li>\u4fdd\u5b58\u6587\u4ef6\u4e26\u91cd\u555fMySQL\u670d\u52d9\u3002<\/li>\n<\/ol>\n<p>\u9019\u6a23\u53ef\u4ee5\u5c07\u6700\u5927\u9023\u63a5\u6578\u589e\u52a0\u5230300\uff0c\u5177\u9ad4\u6578\u503c\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"2-%e5%84%aa%e5%8c%96%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-VjyPaPEsMS\">2. \u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u5728\u4f7f\u7528\u5b8c\u6578\u64da\u5eab\u5f8c\u80fd\u5920\u6b63\u78ba\u95dc\u9589\u9023\u63a5\u3002\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u9023\u63a5\u958b\u92b7\u3002<\/p>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e9%80%a3%e6%8e%a5%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-VjyPaPEsMS\">3. \u76e3\u63a7\u548c\u5206\u6790\u9023\u63a5\u4f7f\u7528\u60c5\u6cc1<\/h3>\n<p>\u4f7f\u7528MySQL\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u5206\u6790\u7576\u524d\u7684\u9023\u63a5\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u9023\u63a5\u6578\uff1a<\/p>\n<pre><code>SHOW STATUS LIKE 'Threads_connected';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3\u9023\u63a5\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"4-%e9%99%90%e5%88%b6%e7%89%b9%e5%ae%9a%e7%94%a8%e6%88%b6%e7%9a%84%e9%80%a3%e6%8e%a5%e6%95%b8-VjyPaPEsMS\">4. \u9650\u5236\u7279\u5b9a\u7528\u6236\u7684\u9023\u63a5\u6578<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u7279\u5b9a\u7528\u6236\u7684\u6700\u5927\u9023\u63a5\u6578\u4f86\u9632\u6b62\u67d0\u4e9b\u7528\u6236\u904e\u5ea6\u4f7f\u7528\u9023\u63a5\u3002\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>GRANT USAGE ON *.* TO 'username'@'host' WITH MAX_CONNECTIONS_PER_HOUR 100;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u9650\u5236\u8a72\u7528\u6236\u6bcf\u5c0f\u6642\u7684\u6700\u5927\u9023\u63a5\u6578\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VjyPaPEsMS\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u5fa9MySQL\u7684\u201c\u9023\u63a5\u904e\u591a\u201d\u932f\u8aa4\u9700\u8981\u5f9e\u591a\u500b\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u589e\u52a0\u6700\u5927\u9023\u63a5\u6578\u3001\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u3001\u76e3\u63a7\u9023\u63a5\u4f7f\u7528\u60c5\u6cc1\u4ee5\u53ca\u9650\u5236\u7279\u5b9a\u7528\u6236\u7684\u9023\u63a5\u6578\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u6b64\u932f\u8aa4\u7684\u767c\u751f\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u7db2\u7ad9\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4\u300c\u9023\u63a5\u904e\u591a\u300d\uff0c\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\uff0c\u512a\u5316\u9023\u63a5\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u7a69\u5b9a\u904b\u884c\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-176677","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176677","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=176677"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176677\/revisions"}],"predecessor-version":[{"id":176678,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176677\/revisions\/176678"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}