{"id":159407,"date":"2020-09-23T15:49:47","date_gmt":"2020-09-23T07:49:47","guid":{"rendered":"http:\/\/4563.org\/?p=159407"},"modified":"2020-09-23T15:49:47","modified_gmt":"2020-09-23T07:49:47","slug":"%e6%b1%82%e5%8a%a9%e5%b8%96-%e4%b8%8a%e7%ba%bf%e4%b9%8b%e5%90%8e%e6%95%b0%e6%8d%ae%e5%ba%93-cpu-%e5%8d%87%e9%ab%98%e6%89%be%e4%b8%8d%e5%88%b0%e5%8e%9f%e5%9b%a0","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=159407","title":{"rendered":"\u6c42\u52a9\u5e16: \u4e0a\u7ebf\u4e4b\u540e\u6570\u636e\u5e93 CPU \u5347\u9ad8,\u627e\u4e0d\u5230\u539f\u56e0"},"content":{"rendered":"
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\u6c42\u52a9\u5e16: \u4e0a\u7ebf\u4e4b\u540e\u6570\u636e\u5e93 CPU \u5347\u9ad8,\u627e\u4e0d\u5230\u539f\u56e0 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : chanlk <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6570\u636e\u5e93\u4f7f\u7528\u7684\u662f aws \u7684 rds;<\/p>\n

\u4e0a\u7ebf\u540e\u4ece\u5b83\u7684\u76d1\u63a7\u9762\u677f\u770b\u5230 cpu \u4f7f\u7528\u7387\u5927\u6982\u589e\u52a0\u4e86\u4e00\u500d \u505a\u4e86\u4e9b\u5de5\u4f5c,\u4f46\u662f\u8fd8\u662f\u627e\u4e0d\u5230\u539f\u56e0<\/p>\n

\u8bf4\u4e00\u4e0b\u81ea\u5df1\u5df2\u7ecf\u505a\u8fc7\u7684\u5de5\u4f5c:<\/p>\n

    \n
  1. \u6392\u67e5\u4e86\u6162\u67e5\u8be2,\u6b63\u5e38,\u548c\u4e0a\u7ebf\u524d\u5dee\u4e0d\u591a<\/li>\n
  2. \u6570\u636e\u5e93\u7684\u8fde\u63a5\u6570\u65b9\u5dee\u53d8\u5927(\u53d8\u5927 20-30%),\u5176\u4ed6\u76d1\u63a7\u66f2\u7ebf\u6ce2\u52a8\u4e0d\u5927(\u5982 IOPS,\u7f51\u7edc\u7684 I\/O,\u5185\u5b58\u548c\u961f\u5217\u7b49)<\/li>\n
  3. \u68c0\u67e5\u4e86\u4e1a\u52a1\u7684\u670d\u52a1\u5668\u76d1\u63a7,\u66f2\u7ebf\u4e5f\u662f\u7a33\u5b9a\u7684<\/li>\n
  4. \u7528 show processlist \u770b\u4e86\u4e0b\u6ca1\u6709\u4ec0\u4e48\u6bdb\u75c5<\/li>\n<\/ol>\n

    \u6709\u5927\u4f6c\u80fd\u63d0\u4f9b\u4e00\u4e0b\u6392\u67e5\u601d\u8def\u5417?\u611f\u6fc0\u4e0d\u5c3d<\/p>\n<\/p><\/div>\n

    \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (5<\/span>) <\/div>\n
    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : pmispig <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      top \u67e5\u770b mysql \u54ea\u4e2a\u7ebf\u7a0b CPU \u4f7f\u7528\u7387\u9ad8\uff0c\u7136\u540e select * from performance_schema.threads where THREAD_OS_ID=xxx; <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : yumenawei <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u66f4\u6539\u4e86 SQL \u8bed\u53e5\u5417\uff1f
      \u53ef\u80fd\u662f\u7531\u4e8e\u67d0\u4e9b\u8ba1\u7b97\u91cf\u5927\u7684\u805a\u5408\u64cd\u4f5c\u5bfc\u81f4\u7684\uff0c\u6bd4\u5982\u8bf4 max min <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : pmispig <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u5982\u679c\u662f rds \u7684\u8bdd\u53ef\u80fd\u53ea\u80fd\u7528\u70b9\u5de7\u52b2\u513f\uff0c\u628a\u6240\u6709\u7684 SQL \u65e5\u5fd7\u90fd\u6253\u51fa\u6765\uff0c\u5206\u6790\u4e0b\uff0c(\u6267\u884c\u9891\u7387\u9ad8 and \u6267\u884c\u65f6\u95f4\u5f88\u957f )\u505a\u4e00\u4e2a\u5e76\u96c6\uff0c\u5c31\u662f\u8fd9\u4e2a SQL\uff0c\u518d\u53bb\u627e\u5c5e\u4e8e\u54ea\u4e2a\u5e94\u7528\u548c\u4e1a\u52a1 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chanlk <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      @yumenawei \u66f4\u6539\u4e86 sql,\u4f46\u662f\u8fd9\u4e9b sql \u662f\u4f4e\u9891\u7684,\u662f\u5ba2\u670d\u7cfb\u7edf\u7528\u7684
      @pmispig \u6ca1\u6709\u592a\u9ad8\u7684\u6570\u636e\u5e93\u6743\u9650,\u6211\u628a\u4f60\u7684\u601d\u8def\u63d0\u4f9b\u7ed9\u4e86\u8fd0\u7ef4\u5c0f\u54e5,\u6211\u8fd9\u8fb9\u770b\u4e0b\u4ece\u4e1a\u52a1\u63a5\u53e3\u8017\u65f6\u7684\u5c42\u9762\u4e0a\u4e0d\u77e5\u9053\u80fd\u4e0d\u80fd\u627e\u5230\u662f\u54ea\u4e9b\u63a5\u53e3\u5bfc\u81f4\u7684<\/p>\n

      \u8c22\u8c22~ <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : tieqishan07li <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u76f4\u63a5\u63d0\u5de5\u5355\u8ba9 AWS \u67e5\u4e00\u4e0b\uff0c\u4ed6\u4eec\u80af\u5b9a\u6709\u6392\u67e5\u601d\u8def <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"

      \u6c42\u52a9\u5e16: \u4e0a\u7ebf\u4e4b\u540e\u6570\u636e\u5e93 CPU …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/159407"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=159407"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/159407\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159407"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}