{"id":200077,"date":"2025-05-06T10:48:48","date_gmt":"2025-05-06T02:48:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200077\/"},"modified":"2025-05-06T10:48:48","modified_gmt":"2025-05-06T02:48:48","slug":"%e5%88%86%e6%9e%90mysql%e8%bf%9e%e6%8e%a5%e6%95%b0%e5%af%b9%e6%95%b0%e6%8d%ae%e5%ba%93%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200077\/","title":{"rendered":"\u5206\u6790MySQL\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u7684\u5f71\u54cd"},"content":{"rendered":"

<\/b> <\/p>\n

\u5206\u6790MySQL\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u7684\u5f71\u54cd<\/h1>\n

\u968f\u7740\u4e92\u8054\u7f51\u5e94\u7528\u7684\u84ec\u52c3\u53d1\u5c55\uff0c\u6570\u636e\u5e93\u7cfb\u7edf\u6210\u4e3a\u652f\u6491\u5e94\u7528\u7cfb\u7edf\u7684\u91cd\u8981\u6570\u636e\u7ba1\u7406\u5de5\u5177\u3002MySQL\u6570\u636e\u5e93\u4e2d\u7684\u8fde\u63a5\u6570\uff0c\u5373\u540c\u65f6\u8fde\u63a5\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u5ba2\u6237\u7aef\u6570\u91cf\uff0c\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8fde\u63a5\u6570\u5bf9MySQL\u6570\u636e\u5e93\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5206\u6790\u8fde\u63a5\u6570\u8fc7\u5c11\u548c\u8fc7\u591a\u5e26\u6765\u7684\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u5408\u7406\u8bbe\u7f6e\u8fde\u63a5\u6570\u7684\u5efa\u8bae\u3002\u901a\u8fc7\u76d1\u63a7\u6570\u636e\u5e93\u8fde\u63a5\u6570\u3001\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\u8c03\u6574\u8fde\u63a5\u6570\uff0c\u4ee5\u53ca\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\u548c\u7d22\u5f15\u8bbe\u8ba1\u7b49\u6280\u672f\u624b\u6bb5\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u548c\u7a33\u5b9a\u6027\uff0c\u4e3a\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u9ad8\u6548\u8fd0\u884c\u4fdd\u9a7e\u62a4\u822a\u3002<\/p>\n

MySQL\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u7684\u5f71\u54cd\u5206\u6790<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u5e94\u7528\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6570\u636e\u5e93\u6210\u4e3a\u4e86\u652f\u6491\u5e94\u7528\u7cfb\u7edf\u91cd\u8981\u7684\u6570\u636e\u5b58\u50a8\u548c\u7ba1\u7406\u5de5\u5177\u3002\u5728\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u8fde\u63a5\u6570\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u76f4\u63a5\u5173\u7cfb\u5230\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u672c\u6587\u5c06\u4eceMySQL\u6570\u636e\u5e93\u7684\u89d2\u5ea6\u51fa\u53d1\uff0c\u63a2\u8ba8\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u5206\u6790\u3002<\/p>\n

\u4e00\u3001\u8fde\u63a5\u6570\u662f\u4ec0\u4e48\uff1f<\/p>\n

\u8fde\u63a5\u6570\u6307\u7684\u662f\u6570\u636e\u5e93\u7cfb\u7edf\u540c\u65f6\u652f\u6301\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u6570\uff0c\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u540c\u65f6\u4e0e\u6570\u636e\u5e93\u7cfb\u7edf\u5efa\u7acb\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u6570\u91cf\u3002\u5728MySQL\u6570\u636e\u5e93\u4e2d\uff0c\u8fde\u63a5\u6570\u662f\u901a\u8fc7\u53c2\u6570max_connections<\/code>\u6765\u8bbe\u7f6e\u7684\uff0c\u8be5\u53c2\u6570\u5b9a\u4e49\u4e86\u6570\u636e\u5e93\u7cfb\u7edf\u5141\u8bb8\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002<\/p>\n

\u5728\u9ad8\u5e76\u53d1\u7684\u573a\u666f\u4e0b\uff0c\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u5bf9\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u6027\u80fd\u8868\u73b0\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u8fde\u63a5\u6570\u8bbe\u7f6e\u8fc7\u5c0f\uff0c\u53ef\u80fd\u5bfc\u81f4\u90e8\u5206\u7528\u6237\u65e0\u6cd5\u6b63\u5e38\u8bbf\u95ee\u6570\u636e\u5e93\uff1b\u5982\u679c\u8fde\u63a5\u6570\u8bbe\u7f6e\u8fc7\u5927\uff0c\u53ef\u80fd\u4f1a\u5360\u7528\u8fc7\u591a\u7cfb\u7edf\u8d44\u6e90\uff0c\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n

\u4e8c\u3001\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u7684\u5f71\u54cd<\/p>\n

    \n
  1. \u8fde\u63a5\u6570\u8fc7\u5c11\u5bfc\u81f4\u6027\u80fd\u74f6\u9888<\/li>\n<\/ol>\n

    \u5f53\u8fde\u63a5\u6570\u8fc7\u5c11\u65f6\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u7cfb\u7edf\u65e0\u6cd5\u53ca\u65f6\u5904\u7406\u6240\u6709\u7684\u8bf7\u6c42\uff0c\u4ece\u800c\u51fa\u73b0\u6027\u80fd\u74f6\u9888\u3002\u90e8\u5206\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u8fde\u63a5\u8d85\u65f6\u6216\u8fde\u63a5\u62d2\u7edd\u7684\u95ee\u9898\uff0c\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n

    \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    SET GLOBAL max_connections = 50;<\/pre>\n
      \n
    1. \u8fde\u63a5\u6570\u8fc7\u591a\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39<\/li>\n<\/ol>\n
      \u5f53\u8fde\u63a5\u6570\u8bbe\u7f6e\u8fc7\u591a\u65f6\uff0c\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u8d44\u6e90\u88ab\u5927\u91cf\u8fde\u63a5\u5360\u7528\uff0c\u9020\u6210\u8d44\u6e90\u6d6a\u8d39\u3002\u540c\u65f6\uff0c\u8fc7\u591a\u7684\u8fde\u63a5\u4f1a\u589e\u52a0\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u8d1f\u62c5\uff0c\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u5e93\u54cd\u5e94\u65f6\u95f4\u53d8\u957f\uff0c\u8fdb\u800c\u5f71\u54cd\u6574\u4f53\u6027\u80fd\u3002<\/p>\n
      \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      SET GLOBAL max_connections = 500;<\/pre>\n
      \u4e09\u3001\u5982\u4f55\u5408\u7406\u8bbe\u7f6e\u8fde\u63a5\u6570<\/p>\n
        \n
      1. \u76d1\u63a7\u6570\u636e\u5e93\u8fde\u63a5\u6570<\/li>\n<\/ol>\n
        \u901a\u8fc7\u76d1\u63a7\u6570\u636e\u5e93\u7684\u8fde\u63a5\u6570\uff0c\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u8fde\u63a5\u6570\u7684\u53d8\u5316\u60c5\u51b5\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002\u53ef\u4ee5\u4f7f\u7528MySQL\u81ea\u5e26\u7684\u5de5\u5177\u6216\u7b2c\u4e09\u65b9\u76d1\u63a7\u5de5\u5177\u8fdb\u884c\u76d1\u63a7\u3002<\/p>\n
        \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        SHOW GLOBAL STATUS LIKE 'Max_used_connections';<\/pre>\n
          \n
        1. \u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\u8c03\u6574\u8fde\u63a5\u6570<\/li>\n<\/ol>\n
          \u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\u548c\u7cfb\u7edf\u8d1f\u8f7d\u60c5\u51b5\uff0c\u5408\u7406\u8c03\u6574\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u3002\u53ef\u4ee5\u6839\u636e\u5386\u53f2\u6570\u636e\u548c\u5b9e\u65f6\u8d1f\u8f7d\u60c5\u51b5\uff0c\u8fdb\u884c\u52a8\u6001\u8c03\u6574\u3002<\/p>\n
          \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          SET GLOBAL max_connections = 100;<\/pre>\n
            \n
          1. \u4f18\u5316\u67e5\u8be2\u8bed\u53e5\u548c\u7d22\u5f15\u8bbe\u8ba1<\/li>\n<\/ol>\n
            \u901a\u8fc7\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\u548c\u5408\u7406\u8bbe\u8ba1\u7d22\u5f15\uff0c\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u8d1f\u62c5\uff0c\u4ece\u800c\u964d\u4f4e\u8fde\u63a5\u6570\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5408\u7406\u8bbe\u8ba1\u6570\u636e\u8868\u7ed3\u6784\u548c\u7d22\u5f15\uff0c\u53ef\u4ee5\u63d0\u5347\u6570\u636e\u5e93\u7684\u67e5\u8be2\u6548\u7387\u3002<\/p>\n
            \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
            CREATE INDEX idx_name ON users(name);<\/pre>\n
            \u603b\u7ed3<\/p>\n
            MySQL\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u6709\u7740\u76f4\u63a5\u7684\u5f71\u54cd\uff0c\u5408\u7406\u8bbe\u7f6e\u8fde\u63a5\u6570\u662f\u4fdd\u8bc1\u6570\u636e\u5e93\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c\u7684\u91cd\u8981\u56e0\u7d20\u4e4b\u4e00\u3002\u901a\u8fc7\u672c\u6587\u7684\u5206\u6790\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u8fde\u63a5\u6570\u7684\u6982\u5ff5\u548c\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u4ee5\u53ca\u5982\u4f55\u5408\u7406\u8bbe\u7f6e\u8fde\u63a5\u6570\u6765\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd\u3002<\/p>\n
            \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u60c5\u51b5\u548c\u7cfb\u7edf\u8d1f\u8f7d\u60c5\u51b5\u6765\u7075\u6d3b\u8c03\u6574\u8fde\u63a5\u6570\uff0c\u540c\u65f6\u7ed3\u5408\u67e5\u8be2\u8bed\u53e5\u4f18\u5316\u548c\u7d22\u5f15\u8bbe\u8ba1\u7b49\u6280\u672f\u624b\u6bb5\uff0c\u4ee5\u8fbe\u5230\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u7684\u76ee\u7684\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5bf9\u8bfb\u8005\u5728MySQL\u6570\u636e\u5e93\u6027\u80fd\u4f18\u5316\u65b9\u9762\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
            \u4ee5\u4e0a\u662f\u6587\u7ae0\u7684\u521d\u7a3f\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u5230\u60a8\u3002<\/p>\n
            \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n
            \n
            \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u5206\u6790MySQL\u8fde\u63a5\u6570\u5bf9\u6570\u636e\u5e93\u6027\u80fd...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200077","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200077","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200077"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200077\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}