{"id":200048,"date":"2025-05-06T08:20:06","date_gmt":"2025-05-06T00:20:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200048\/"},"modified":"2025-05-06T08:20:06","modified_gmt":"2025-05-06T00:20:06","slug":"mysql%e8%bf%9e%e6%8e%a5%e6%95%b0%e7%9a%84%e8%ae%be%e7%bd%ae%e6%96%b9%e6%b3%95%e5%92%8c%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200048\/","title":{"rendered":"MySQL\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"

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

MySQL\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879<\/h1>\n

\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aMySQL\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

MySQL\u8fde\u63a5\u6570\u8bbe\u7f6e\u6280\u5de7\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n

MySQL\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5bf9\u4e8eMySQL\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u8981\u7279\u522b\u6ce8\u610f\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5173\u4e8eMySQL\u8fde\u63a5\u6570\u8bbe\u7f6e\u7684\u6280\u5de7\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002<\/p>\n

1. \u8fde\u63a5\u6570\u7684\u6982\u5ff5<\/h3>\n

\u5728MySQL\u4e2d\uff0c\u8fde\u63a5\u6570\u6307\u7684\u662f\u540c\u65f6\u8fde\u63a5\u5230\u6570\u636e\u5e93\u7684\u5ba2\u6237\u7aef\u6570\u91cf\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u90fd\u4f1a\u5360\u7528\u670d\u52a1\u5668\u7684\u4e00\u5b9a\u8d44\u6e90\uff0c\u5305\u62ec\u5185\u5b58\u7b49\u3002\u5982\u679c\u8fde\u63a5\u6570\u8bbe\u7f6e\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u8d1f\u8f7d\u8fc7\u9ad8\uff0c\u751a\u81f3\u62d2\u7edd\u670d\u52a1\u3002<\/p>\n

2. \u8bbe\u7f6e\u8fde\u63a5\u6570\u7684\u6280\u5de7<\/h3>\n
    \n
  • \u4e86\u89e3\u5f53\u524d\u8fde\u63a5\u6570\u60c5\u51b5\uff1a<\/strong><\/li>\n<\/ul>\n

    \u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u67e5\u770b\u5f53\u524d\u8fde\u63a5\u6570\u60c5\u51b5\uff1a<\/p>\n

    SHOW STATUS LIKE 'Threads_connected';<\/pre>\n
      \n
    • \u6839\u636e\u5b9e\u9645\u9700\u6c42\u8bbe\u7f6e\u8fde\u63a5\u6570\uff1a<\/strong><\/li>\n<\/ul>\n
      \u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u8d1f\u8f7d\u60c5\u51b5\u548c\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u914d\u7f6e\u60c5\u51b5\uff0c\u5408\u7406\u8bbe\u7f6e\u6700\u5927\u8fde\u63a5\u6570\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8fde\u63a5\u6570\u4e0d\u5b9c\u8fc7\u591a\uff0c\u4e5f\u4e0d\u5b9c\u8fc7\u5c11\u3002<\/p>\n
        \n
      • \u8003\u8651\u5e76\u53d1\u8fde\u63a5\u6570\uff1a<\/strong><\/li>\n<\/ul>\n
        \u9664\u4e86\u76f4\u63a5\u8fde\u63a5\u5230\u6570\u636e\u5e93\u7684\u5ba2\u6237\u7aef\u6570\u91cf\u5916\uff0c\u8fd8\u8981\u8003\u8651\u5230\u5e76\u53d1\u8fde\u63a5\u6570\uff0c\u5373\u540c\u65f6\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u8fde\u63a5\u6570\u3002\u901a\u8fc7\u76d1\u63a7\u5e76\u53d1\u8fde\u63a5\u6570\u6765\u8bc4\u4f30\u662f\u5426\u9700\u8981\u589e\u52a0\u6700\u5927\u8fde\u63a5\u6570\u3002<\/p>\n
        3. \u8bbe\u7f6e\u8fde\u63a5\u6570\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n
          \n
        • \u907f\u514d\u8fc7\u591a\u7684\u7a7a\u95f2\u8fde\u63a5\uff1a<\/strong><\/li>\n<\/ul>\n
          \u8fc7\u591a\u7684\u7a7a\u95f2\u8fde\u63a5\u4f1a\u5360\u7528\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u5efa\u8bae\u8bbe\u7f6e\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\uff0c\u4ee5\u4fbf\u53ca\u65f6\u91ca\u653e\u7a7a\u95f2\u8fde\u63a5\u3002<\/p>\n
          SET GLOBAL wait_timeout = 60;<\/pre>\n
            \n
          • \u907f\u514d\u8fde\u63a5\u6cc4\u9732\uff1a<\/strong><\/li>\n<\/ul>\n
            \u5e94\u786e\u4fdd\u7a0b\u5e8f\u6b63\u786e\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u907f\u514d\u51fa\u73b0\u8fde\u63a5\u672a\u4e3b\u52a8\u91ca\u653e\u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528\u8fde\u63a5\u6c60\u7b49\u673a\u5236\u7ba1\u7406\u8fde\u63a5\u5bf9\u8c61\u3002<\/p>\n
              \n
            • \u5408\u7406\u914d\u7f6e\u7cfb\u7edf\u8d44\u6e90\uff1a<\/strong><\/li>\n<\/ul>\n
              \u5728\u8bbe\u7f6e\u8fde\u63a5\u6570\u65f6\uff0c\u9700\u8003\u8651\u5230\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u786c\u4ef6\u914d\u7f6e\uff0c\u5982\u5185\u5b58\u3001CPU\u7b49\uff0c\u4ee5\u514d\u8d44\u6e90\u4e0d\u8db3\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n
              4. \u793a\u4f8b\u4ee3\u7801<\/h3>\n
              \u4ee5\u4e0b\u662f\u4e00\u4e2a\u8bbe\u7f6eMySQL\u6700\u5927\u8fde\u63a5\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
              SET GLOBAL max_connections = 100;<\/pre>\n
              \u7ed3\u8bed<\/h3>\n
              \u5408\u7406\u8bbe\u7f6eMySQL\u8fde\u63a5\u6570\u662f\u786e\u4fdd\u6570\u636e\u5e93\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u7684\u91cd\u8981\u56e0\u7d20\u4e4b\u4e00\u3002\u901a\u8fc7\u4e86\u89e3\u8fde\u63a5\u6570\u7684\u6982\u5ff5\u3001\u6280\u5de7\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\uff0c\u53ef\u4ee5\u63d0\u5347\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
              \u3010\u5b57\u6570\uff1a420\u3011<\/p>\n
              \u672c\u7bc7\u5173\u4e8e\u300aMySQL\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
              \n
              \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
              MySQL\u8fde\u63a5\u6570\u7684\u8bbe\u7f6e\u65b9\u6cd5\u548c\u6ce8\u610f...<\/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-200048","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200048","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=200048"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200048\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}