{"id":45916,"date":"2020-03-03T19:05:01","date_gmt":"2020-03-03T11:05:01","guid":{"rendered":"http:\/\/4563.org\/?p=45916"},"modified":"2020-03-03T19:05:01","modified_gmt":"2020-03-03T11:05:01","slug":"mysql-query-cache%e5%92%8cmemcached%e8%83%bd%e5%85%b1%e5%ad%98%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=45916","title":{"rendered":"MySQL Query Cache\u548cmemcached\u80fd\u5171\u5b58\u5417\uff1f"},"content":{"rendered":"\n<p>  \t\t\t\t\t<strong>\u83dc\u82b1\u5927\u76d7<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3>MySQL Query Cache\u548cmemcached\u80fd\u5171\u5b58\u5417\uff1f<\/h3>\n<p>  \t\t40\u591a\u5c81\u7684\u8001\u767d\u6765\u8bf7\u6559\u4e86\uff0c\u521a\u624d\u770b\u5927\u4f6c\u7528MySQL Query Cache\u7ed9wordpress\u52a0\u901f\uff0c\u7fa1\u6155\u4e0d\u5df2\u3002<br \/>  \u73b0\u5728\u6709\u4e2a\u95ee\u9898\uff0c\u670d\u52a1\u5668\u6709memcached\u7ed9wp\u52a0\u901f\u4e86\uff0c\u4f46\u662f\u540c\u670d\u52a1\u5668\u4e0a\u522b\u7684\u7ad9\u4e0d\u80fd\u7528memcached\u3002<br \/>  \u90a3\u4e48\uff0c\u53ef\u4ee5\u5f00\u542fMySQL Query Cache\u548cmemcached\u5171\u5b58\u5417\uff1f\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>korbin<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\t\u6211\u4e0d\u77e5\u9053\uff0c\u6211\u7528\u7684\u7f13\u5b58\u662fredis <br \/>  https:\/\/www.vpsnu.com\/<\/p>\n<p>  \u611f\u89c9\u4e00\u4e0b\u901f\u5ea6<\/p>\n<p>  \t\t\t\t\t<strong>luceos<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\t\u7528Redis\u554a\uff0c\u914d\u5408openresty \u723d\u6b6a\u6b6a\u3002\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>net777<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\t \u672c\u5e16\u6700\u540e\u7531 net777 \u4e8e 2020-3-3 19:03 \u7f16\u8f91 <\/p>\n<p> \u8c8c\u4f3c\u4e0d\u53ef\u4ee5 \u90fd\u5f00\u7740\u5e94\u8be5\u4e5f\u4e0d\u5f71\u54cd<\/p>\n<p>  memcached\u548cMySQL\u7684query cache\u76f8\u6bd4<\/p>\n<p>  \u5f53\u60a8\u4fee\u6539\u8868\u65f6\uff0cMySQL\u7684query cache\u4f1a\u7acb\u523b\u88ab\u5237\u65b0\uff08flush\uff09\u3002\u5b58\u50a8\u4e00\u4e2amemcached item\u53ea\u9700\u8981\u5f88\u5c11\u7684\u65f6\u95f4\uff0c\u4f46\u662f\u5f53\u5199\u64cd\u4f5c\u5f88\u9891\u7e41\u65f6\uff0cMySQL\u7684query cache\u4f1a\u7ecf\u5e38\u8ba9\u6240\u6709\u7f13\u5b58\u6570\u636e\u90fd\u5931\u6548\u3002<\/p>\n<p>  \u5728\u591a\u6838CPU\u4e0a\uff0cMySQL\u7684query cache\u4f1a\u9047\u5230\u6269\u5c55\u95ee\u9898\uff08scalability issues\uff09\u3002\u5728\u591a\u6838CPU\u4e0a\uff0cquery cache\u4f1a\u589e\u52a0\u4e00\u4e2a\u5168\u5c40\u9501\uff08global lock\uff09, \u7531\u4e8e\u9700\u8981\u5237\u65b0\u66f4\u591a\u7684\u7f13\u5b58\u6570\u636e\uff0c\u901f\u5ea6\u4f1a\u53d8\u5f97\u66f4\u6162\u3002<br \/>  \u5728MySQL\u7684query cache\u4e2d\uff0c\u6211\u4eec\u662f\u4e0d\u80fd\u5b58\u50a8\u4efb\u610f\u7684\u6570\u636e\u7684\uff08\u53ea\u80fd\u662fSQL\u67e5\u8be2\u7ed3\u679c\uff09\u3002\u800c\u5229\u7528memcached\uff0c\u6211\u4eec\u53ef\u4ee5\u642d\u5efa\u51fa\u5404\u79cd\u9ad8\u6548\u7684\u7f13\u5b58\u3002\u6bd4\u5982\uff0c\u53ef\u4ee5\u6267\u884c\u591a\u4e2a\u72ec\u7acb\u7684\u67e5\u8be2\uff0c\u6784\u5efa\u51fa\u4e00\u4e2a\u7528\u6237\u5bf9\u8c61\uff08user object\uff09\uff0c\u7136\u540e\u5c06\u7528\u6237\u5bf9\u8c61\u7f13\u5b58\u5230memcached\u4e2d\u3002\u800cquery cache\u662fSQL\u8bed\u53e5\u7ea7\u522b\u7684\uff0c\u4e0d\u53ef\u80fd\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u5728\u5c0f\u7684\u7f51\u7ad9\u4e2d\uff0cquery cache\u4f1a\u6709\u6240\u5e2e\u52a9\uff0c\u4f46\u968f\u7740\u7f51\u7ad9\u89c4\u6a21\u7684\u589e\u52a0\uff0cquery cache\u7684\u5f0a\u5c06\u5927\u4e8e\u5229\u3002<br \/>  query cache\u80fd\u591f\u5229\u7528\u7684\u5185\u5b58\u5bb9\u91cf\u53d7\u5230MySQL\u670d\u52a1\u5668\u7a7a\u95f2\u5185\u5b58\u7a7a\u95f4\u7684\u9650\u5236\u3002\u7ed9\u6570\u636e\u5e93\u670d\u52a1\u5668\u589e\u52a0\u66f4\u591a\u7684\u5185\u5b58\u6765\u7f13\u5b58\u6570\u636e\uff0c\u56fa\u7136\u662f\u5f88\u597d\u7684\u3002\u4f46\u662f\uff0c\u6709\u4e86memcached\uff0c\u53ea\u8981\u60a8\u6709\u7a7a\u95f2\u7684\u5185\u5b58\uff0c\u90fd\u53ef\u4ee5\u7528\u6765\u589e\u52a0memcached\u96c6\u7fa4\u7684\u89c4\u6a21\uff0c\u7136\u540e\u60a8\u5c31\u53ef\u4ee5\u7f13\u5b58\u66f4\u591a\u7684\u6570\u636e\u3002<\/p>\n<p>  \u6211\u7684\u7b7e\u540d\u7528\u7684\uff1amemcached+opcache+Cdn \u53ef\u4ee5\u611f\u53d7\u4e0b\u901f\u5ea6\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>korbin<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\tkorbin \u5927\u4f6c\u6709\u8bdd\u8bf4 : 2020-3-3 19:00<br \/>  \u6211\u4e0d\u77e5\u9053\uff0c\u6211\u7528\u7684\u7f13\u5b58\u662fredis <br \/>  https:\/\/www.vpsnu.com\/<\/p>\n<p> \u5fd8\u8bb0\u8bf4\u4e86\u6211\u7528\u7684Vps\u662f\u7f8e\u56fd\u6d1b\u6749\u77f6\u7ebf\u8def\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>\u5c0f\u65ed<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\t\u4f60\u8981\u660e\u767dMySQL Query\u662fMySQL\u7f13\u5b58me\u662fme\u7f13\u5b58\u90fd\u53ef\u4ee5\u5f00\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>\u83dc\u82b1\u5927\u76d7<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\tkorbin \u5927\u4f6c\u6709\u8bdd\u8bf4 : 2020-3-3 19:01<br \/>  \u5fd8\u8bb0\u8bf4\u4e86\u6211\u7528\u7684Vps\u662f\u7f8e\u56fd\u6d1b\u6749\u77f6\u7ebf\u8def<\/p>\n<p> \u8001\u5f1f\u554a\uff0c\u4f60\u8fd9\u624d\u51e0\u7bc7\u6587\u7ae0\uff0c\u7f13\u5b58\u4e0d\u7f13\u5b58\u6ca1\u592a\u5927\u5dee\u522b\u5427\u3002<br \/>  \u5982\u679cwp\u5341\u51e0\u4e07\u6761\u6570\u636e\uff0c\u5bf9\u6bd4\u5e94\u8be5\u66f4\u660e\u663e\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>\u9759\u8c27\u65f6\u5149<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\tkorbin \u5927\u4f6c\u6709\u8bdd\u8bf4 : 2020-3-3 19:00<br \/>  \u6211\u4e0d\u77e5\u9053\uff0c\u6211\u7528\u7684\u7f13\u5b58\u662fredis <br \/>  https:\/\/www.vpsnu.com\/<\/p>\n<p> \u901f\u5ea6\u4e0d\u9519\uff0c\u91cd\u5e86\u7535\u4fe1\uff0c\u53bb\u4e0a\u4e2a\u5c0f\u7684\u56de\u6765\u5dee\u4e0d\u591a\u521a\u597d<\/p>\n<p>  https:\/\/ftp.bmp.ovh\/imgs\/2020\/03\/1554695bfaa45c69.png\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>wweng<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\tmemcached\u540c\u670d\u52a1\u5668\u53ef\u4ee5\u5171\u7528\u3002<br \/>  define(&quot;WP_CACHE_KEY_SALT&quot;.&quot;site1&quot;);\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>krazy176<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\tkorbin \u5927\u4f6c\u6709\u8bdd\u8bf4 : 2020-3-3 19:00<br \/>  \u6211\u4e0d\u77e5\u9053\uff0c\u6211\u7528\u7684\u7f13\u5b58\u662fredis <br \/>  https:\/\/www.vpsnu.com\/<\/p>\n<p> \u5c31\u4e09\u7bc7\u6587\u7ae0\uff0c\u4f30\u8ba11kb\u90fd\u4e0d\u5230\u8fd8\u7528Redis\u3002\u3002\u3002\u7528\u5c0f\u9738\u738b\u6765\u8dd1\u90fd\u7ef0\u7ef0\u6709\u4f59\u554a\t\t\t  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u83dc\u82b1\u5927\u76d7 \u5927\u4f6c\u6709\u8bdd\u8bf4 : MySQ&hellip;<\/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\/45916"}],"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=45916"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/45916\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45916"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}