{"id":75658,"date":"2024-10-16T00:08:25","date_gmt":"2024-10-15T16:08:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75658\/"},"modified":"2024-10-16T00:08:26","modified_gmt":"2024-10-15T16:08:26","slug":"mysql-%e4%b8%bb%e5%82%99%e5%bb%b6%e9%81%b2%e6%9c%89%e5%93%aa%e4%ba%9b%e5%9d%91%ef%bc%9f%e4%b8%bb%e5%82%99%e5%88%87%e6%8f%9b%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75658\/","title":{"rendered":"MySQL \u4e3b\u5099\u5ef6\u9072\u6709\u54ea\u4e9b\u5751\uff1f\u4e3b\u5099\u5207\u63db\u7b56\u7565"},"content":{"rendered":"<h1 id=\"mysql-%e4%b8%bb%e5%82%99%e5%bb%b6%e9%81%b2%e6%9c%89%e5%93%aa%e4%ba%9b%e5%9d%91%ef%bc%9f%e4%b8%bb%e5%82%99%e5%88%87%e6%8f%9b%e7%ad%96%e7%95%a5-YiQXyrxWab\">MySQL \u4e3b\u5099\u5ef6\u9072\u6709\u54ea\u4e9b\u5751\uff1f\u4e3b\u5099\u5207\u63db\u7b56\u7565<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u5834\u666f\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u4e3b\u5099\u67b6\u69cb\uff08Master-Slave Replication\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7136\u800c\u5728\u5be6\u65bd\u904e\u7a0b\u4e2d\uff0c\u4e3b\u5099\u5ef6\u9072\u554f\u984c\u537b\u5e38\u5e38\u6210\u70ba\u4e00\u500b\u68d8\u624b\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e MySQL \u4e3b\u5099\u5ef6\u9072\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e4%b8%bb%e5%82%99%e5%bb%b6%e9%81%b2%e7%9a%84%e6%88%90%e5%9b%a0-YiQXyrxWab\">\u4e3b\u5099\u5ef6\u9072\u7684\u6210\u56e0<\/h2>\n<p>\u4e3b\u5099\u5ef6\u9072\u662f\u6307\u4e3b\u6578\u64da\u5eab\uff08Master\uff09\u8207\u5099\u4efd\u6578\u64da\u5eab\uff08Slave\uff09\u4e4b\u9593\u7684\u6578\u64da\u540c\u6b65\u5ef6\u9072\u3002\u9019\u7a2e\u5ef6\u9072\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff1a<\/p>\n<ul>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5982\u679c\u4e3b\u5099\u6578\u64da\u5eab\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u50b3\u8f38\u5ef6\u9072\u3002<\/li>\n<li><strong>\u5beb\u5165\u8ca0\u8f09\uff1a<\/strong>\u7576\u4e3b\u6578\u64da\u5eab\u7684\u5beb\u5165\u64cd\u4f5c\u904e\u65bc\u983b\u7e41\u6642\uff0c\u5099\u4efd\u6578\u64da\u5eab\u53ef\u80fd\u7121\u6cd5\u53ca\u6642\u8655\u7406\u6240\u6709\u7684\u66f4\u65b0\u3002<\/li>\n<li><strong>\u5099\u4efd\u6578\u64da\u5eab\u6027\u80fd\uff1a<\/strong>\u5982\u679c\u5099\u4efd\u6578\u64da\u5eab\u7684\u786c\u9ad4\u6027\u80fd\u4e0d\u8db3\uff0c\u5247\u53ef\u80fd\u7121\u6cd5\u5feb\u901f\u8655\u7406\u4f86\u81ea\u4e3b\u6578\u64da\u5eab\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u4e0d\u7576\u7684 MySQL \u914d\u7f6e\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\uff0c\u9032\u800c\u5f71\u97ff\u6578\u64da\u540c\u6b65\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%9b%a3%e6%8e%a7%e4%b8%bb%e5%82%99%e5%bb%b6%e9%81%b2-YiQXyrxWab\">\u5982\u4f55\u76e3\u63a7\u4e3b\u5099\u5ef6\u9072<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u7ba1\u7406\u4e3b\u5099\u5ef6\u9072\uff0c\u9996\u5148\u9700\u8981\u76e3\u63a7\u5ef6\u9072\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u5ef6\u9072\uff1a<\/p>\n<pre><code>SHOW SLAVE STATUSG<\/code><\/pre>\n<p>\u5728\u67e5\u8a62\u7d50\u679c\u4e2d\uff0c<code>Seconds_Behind_Master<\/code> \u5b57\u6bb5\u986f\u793a\u4e86\u5099\u4efd\u6578\u64da\u5eab\u843d\u5f8c\u4e3b\u6578\u64da\u5eab\u7684\u79d2\u6578\u3002\u82e5\u8a72\u503c\u6301\u7e8c\u589e\u9577\uff0c\u5247\u9700\u8981\u9032\u4e00\u6b65\u8abf\u67e5\u539f\u56e0\u3002<\/p>\n<h2 id=\"%e4%b8%bb%e5%82%99%e5%88%87%e6%8f%9b%e7%ad%96%e7%95%a5-YiQXyrxWab\">\u4e3b\u5099\u5207\u63db\u7b56\u7565<\/h2>\n<p>\u5728\u9762\u5c0d\u4e3b\u5099\u5ef6\u9072\u554f\u984c\u6642\uff0c\u5236\u5b9a\u6709\u6548\u7684\u4e3b\u5099\u5207\u63db\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5207\u63db\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u624b\u52d5\u5207\u63db\uff1a<\/strong>\u5728\u767c\u73fe\u4e3b\u6578\u64da\u5eab\u51fa\u73fe\u6545\u969c\u6216\u5ef6\u9072\u904e\u5927\u6642\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u624b\u52d5\u5c07\u5099\u4efd\u6578\u64da\u5eab\u63d0\u5347\u70ba\u4e3b\u6578\u64da\u5eab\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u9748\u6d3b\uff0c\u4f46\u9700\u8981\u4eba\u5de5\u5e72\u9810\uff0c\u53ef\u80fd\u5c0e\u81f4\u4e00\u5b9a\u7684\u505c\u6a5f\u6642\u9593\u3002<\/li>\n<li><strong>\u81ea\u52d5\u5207\u63db\uff1a<\/strong>\u4f7f\u7528\u9ad8\u53ef\u7528\u6027\u89e3\u6c7a\u65b9\u6848\uff08\u5982 MHA \u6216 Orchestrator\uff09\u53ef\u4ee5\u5be6\u73fe\u81ea\u52d5\u6545\u969c\u8f49\u79fb\uff0c\u7576\u4e3b\u6578\u64da\u5eab\u51fa\u73fe\u554f\u984c\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u5c07\u5099\u4efd\u6578\u64da\u5eab\u63d0\u5347\u70ba\u4e3b\u6578\u64da\u5eab\uff0c\u5f9e\u800c\u6e1b\u5c11\u505c\u6a5f\u6642\u9593\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u4e3b\u5099\u5ef6\u9072\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u7cfb\u7d71\u914d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-YiQXyrxWab\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u6e1b\u5c11\u4e3b\u5099\u5ef6\u9072\u7684\u5f71\u97ff\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u78ba\u4fdd\u4e3b\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6548\u7387\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u5beb\u5165\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u63d0\u5347\u786c\u9ad4\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u66f4\u5feb\u7684\u786c\u789f\u548c\u66f4\u9ad8\u6548\u7684 CPU \u4f86\u63d0\u5347\u5099\u4efd\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u8abf\u6574\u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u8ca0\u8f09\u8abf\u6574 MySQL \u7684\u914d\u7f6e\u53c3\u6578\uff0c\u5982 <code>innodb_flush_log_at_trx_commit<\/code> \u548c <code>sync_binlog<\/code>\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YiQXyrxWab\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u7684\u4e3b\u5099\u5ef6\u9072\u554f\u984c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u4e0d\u53ef\u5ffd\u8996\u7684\u6311\u6230\u3002\u901a\u904e\u6709\u6548\u7684\u76e3\u63a7\u548c\u5207\u63db\u7b56\u7565\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5ef6\u9072\u5c0d\u696d\u52d9\u904b\u884c\u7684\u5f71\u97ff\u3002\u4e86\u89e3\u4e3b\u5099\u5ef6\u9072\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u4e3b\u5099\u5ef6\u9072\u7684\u5e38\u898b\u554f\u984c\u53ca\u5207\u63db\u7b56\u7565\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u8207\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75658","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75658","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75658"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75658\/revisions"}],"predecessor-version":[{"id":75659,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75658\/revisions\/75659"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}