{"id":1282,"date":"2018-03-22T21:17:50","date_gmt":"2018-03-22T13:17:50","guid":{"rendered":"https:\/\/www.toodyao.com\/?p=1282"},"modified":"2018-03-22T21:21:27","modified_gmt":"2018-03-22T13:21:27","slug":"%e8%a7%a3%e5%86%b3wordpress%e4%b8%8berror-establishing-a-database-connection%e9%97%ae%e9%a2%98%ef%bc%88%e9%85%8d%e7%bd%aephp-fpm%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.toodyao.com\/?p=1282","title":{"rendered":"\u89e3\u51b3WordPress\u4e0b\u201cError establishing a database connection\u201d\u95ee\u9898\uff08\u914d\u7f6ephp-fpm\uff09"},"content":{"rendered":"

0.<\/h1>\n

\u6211\u7ad9\u51fa\u73b0\u201cError establishing a database connection\u201d\u8fd9\u4e2a\u95ee\u9898\u5f88\u4e45\u4e86\uff0c\u4e00\u76f4\u4e5f\u6ca1\u6709\u89e3\u51b3\uff0c\u6bcf\u6b21\u91cd\u542f\u4e00\u4e0b\u5c31\u597d\u4e86\uff0c\u4e00\u5f00\u59cb\u4ee5\u4e3a\u662fJetPack\u63d2\u4ef6\u7684\u9505\uff0c\u56e0\u4e3a\u4ed6\u9700\u8981\u5728\u4e00\u4e2a\u7f51\u9875\u6388\u6743\u4ec0\u4e48\u4e1c\u897f\uff0c\u7531\u4e8e\u662fwordpress\u51fa\u54c1\uff0c\u4e8e\u662f\u5c31\u4fe1\u4efb\u4e86\uff0c\u540e\u6765\u4e0d\u65ad\u51fa\u73b0\u8fd9\u4e2aerror\uff0c\u63a8\u6d4b\u662fJetpack\u7684\u95ee\u9898\uff0c\u9042\u5378\u8f7d\uff0c\u7ed3\u679c\u75c7\u72b6\u597d\u4e86\u4e00\u70b9\uff0c\u4f46\u8fd8\u662f\u51faerror\uff0c\u53ea\u4e0d\u8fc7\u9891\u7387\u4f4e\u4e86\u3002<\/p>\n

1.\u00a0Debug\u8fc7\u7a0b<\/h1>\n

\u9996\u5148Google\u4e86\u4e00\u4e0b\u8fd9\u4e2aerror\uff0c\u5927\u591a\u6570\u90fd\u662f\u8bf4MySQL\u7528\u6237\u540d\u548c\u5bc6\u7801\u4e0d\u5bf9\u7684\uff0c\u786e\u8ba4\u4e00\u904d\u7528\u6237\u540d\u5bc6\u7801\u3002<\/p>\n

\u5176\u4e2d\u6709\u4e00\u6761\u8bf4\u5c1d\u8bd5\u767b\u9646\u4e00\u4e0bMySQL\u770b\u4e00\u4e0berror\u65e5\u5fd7\uff0c\u7ed3\u679c\u767b\u4e0d\u4e0a\uff0c\u7ee7\u7eedGoogle MySQL\u767b\u4e0d\u4e0a\u7684\u95ee\u9898\uff0c\u624b\u52a8\u8d77\u52a8\u65e0\u6548\uff0clnmp\u4e0b\u91cd\u542f\u65e0\u6548\uff0c\u5c1d\u8bd5\u91cd\u542f\u5927\u6cd5\uff08\u6574\u673a\uff09\uff0c\u7ed3\u679c\u53c8\u80fd\u767b\u9646\u4e86\uff0c\u53ef\u4ee5\u521d\u6b65\u786e\u5b9a\u95ee\u9898\u51fa\u5728MySQL\u3002<\/p>\n

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\u8fc7\u4e86\u51e0\u5929\u53c8\u51fa\u73b0error\uff0c\u5728\u67e5\u770b\u5185\u5b58\u4f7f\u7528\uff0c\u5269\u4f59\u53ea\u6709\u51e0\u5341MB\uff0c\u5f53\u7136\u8dd1\u4e0d\u8d77\u6765\uff08\u4f46\u662f\u4e3a\u4ec0\u4e48\u662fMySQL\u5148\u6302\u6389\u4e86\u800c\u4e0d\u662f\u522b\u7684\u670d\u52a1\uff09\uff0c\u641c\u4e86\u4e00\u62db\u589e\u5927swap\u7684\u65b9\u6cd5\u7f13\u89e3\u5185\u5b58\u4e0d\u8db3\uff0c\u5b9e\u8df5\u540e\u6ca1\u4ec0\u4e48\u660e\u663e\u6548\u679c\uff0c\u89c1\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\u00a0\u3002<\/p>\n

\u7ee7\u7eed\u63a2\u7d22\uff0c\u8fd9\u6b21\u4f7f\u7528\u4e86top<\/span>\u00a0\u547d\u4ee4\u67e5\u770b\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u8ddfWindows\u4e0b\u7684\u4efb\u52a1\u7ba1\u7406\u5668\u5dee\u4e0d\u591a\uff0c\u6309shift+P<\/span>\u00a0\u6309CPU\u4f7f\u7528\u6392\u5e8f\uff0c\u6309shift+M<\/span>\u00a0\u6309\u5185\u5b58\u4f7f\u7528\u6392\u5e8f\uff0c\u5982\u56fe\uff1a<\/p>\n

\"\"<\/a><\/p>\n

\u5176\u4e2d\uff1a<\/p>\n

PID\uff1a\u8fdb\u7a0b\u7684ID
\nUSER\uff1a\u8fdb\u7a0b\u6240\u6709\u8005
\nPR\uff1a\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u522b\uff0c\u8d8a\u5c0f\u8d8a\u4f18\u5148\u88ab\u6267\u884c
\nNInice\uff1a\u503c
\nVIRT\uff1a\u8fdb\u7a0b\u5360\u7528\u7684\u865a\u62df\u5185\u5b58
\nRES\uff1a\u8fdb\u7a0b\u5360\u7528\u7684\u7269\u7406\u5185\u5b58
\nSHR\uff1a\u8fdb\u7a0b\u4f7f\u7528\u7684\u5171\u4eab\u5185\u5b58
\nS\uff1a\u8fdb\u7a0b\u7684\u72b6\u6001\u3002S\u8868\u793a\u4f11\u7720\uff0cR\u8868\u793a\u6b63\u5728\u8fd0\u884c\uff0cZ\u8868\u793a\u50f5\u6b7b\u72b6\u6001\uff0cN\u8868\u793a\u8be5\u8fdb \u7a0b\u4f18\u5148\u503c\u4e3a\u8d1f\u6570
\n%CPU\uff1a\u8fdb\u7a0b\u5360\u7528CPU\u7684\u4f7f\u7528\u7387
\n%MEM\uff1a\u8fdb\u7a0b\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u548c\u603b\u5185\u5b58\u7684\u767e\u5206\u6bd4
\nTIME+\uff1a\u8be5\u8fdb\u7a0b\u542f\u52a8\u540e\u5360\u7528\u7684\u603b\u7684CPU\u65f6\u95f4\uff0c\u5373\u5360\u7528CPU\u4f7f\u7528\u65f6\u95f4\u7684\u7d2f\u52a0\u503c\u3002
\nCOMMAND\uff1a\u8fdb\u7a0b\u542f\u52a8\u547d\u4ee4\u540d\u79f0<\/p>\n

\u7ec8\u4e8e\u7834\u6848\u4e86\uff01\u53ef\u4ee5\u770b\u5230\u4e16\u754c\u4e0a\u6700\u597d\u7684\u8bed\u8a00<\/strong><\/span><\/del><\/em>\u768414\u4e2a\u8fdb\u7a0b\u5403\u6389\u4e8670%+\u7684\u5185\u5b58\uff01<\/p>\n

\u53ef\u80fd\u4e16\u754c\u4e0a\u6700\u597d\u7684\u8bed\u8a00\u53ea\u6709\u4e16\u754c\u4e0a\u6700\u597d\u7684\u670d\u52a1\u5668\u624d\u914d\u5f97\u4e0a\u5427<\/del><\/p>\n

2.\u00a0\u914d\u7f6e\u4f18\u5316<\/h1>\n

\u65e2\u7136\u5b9a\u4f4d\u5230\u4e86\u95ee\u9898\u5c31\u597d\u529e\u4e86\uff0cGoogle\u4e00\u4e0b\uff0c\u4fee\u6539\u914d\u7f6e\u6587\u4ef6php-fpm.conf\uff0c\u628apm = dynamic<\/span>\u00a0\u6539\u4e3apm = ondemand<\/span>\u00a0\uff0c\u7136\u540e\u91cd\u542fphp\u5c31\u597d\u4e86\uff0c\u91cd\u65b0\u770b\u4e00\u4e0b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n

\"\"<\/a><\/p>\n

\u5269\u4f59\u5185\u5b58\u4ece42MB\u589e\u5230\u4e86633MB\uff0c\u7acb\u7aff\u89c1\u5f71~<\/p>\n

\n

\u53c2\u8003\uff1ahttps:\/\/segmentfault.com\/a\/1190000010413463<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

0. \u6211\u7ad9\u51fa\u73b0\u201cError establishing a database connection\u201d\u8fd9\u4e2a\u95ee\u9898\u5f88\u4e45 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,7],"tags":[],"class_list":["post-1282","post","type-post","status-publish","format-standard","hentry","category-linux","category-7"],"_links":{"self":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts\/1282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1282"}],"version-history":[{"count":1,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts\/1282\/revisions"}],"predecessor-version":[{"id":1286,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts\/1282\/revisions\/1286"}],"wp:attachment":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}