{"id":183480,"date":"2024-11-10T05:10:18","date_gmt":"2024-11-09T21:10:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183480\/"},"modified":"2024-11-10T05:10:19","modified_gmt":"2024-11-09T21:10:19","slug":"%e5%af%a6%e6%88%b0-mysql-%e9%ab%98%e5%8f%af%e7%94%a8%e6%9e%b6%e6%a7%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183480\/","title":{"rendered":"\u5be6\u6230 MySQL \u9ad8\u53ef\u7528\u67b6\u69cb"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e6%88%b0-mysql-%e9%ab%98%e5%8f%af%e7%94%a8%e6%9e%b6%e6%a7%8b-FXiQvHecGv\">\u5be6\u6230 MySQL \u9ad8\u53ef\u7528\u67b6\u69cb<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u70ba\u4e86\u78ba\u4fdd MySQL \u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u4f01\u696d\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u9ad8\u53ef\u7528\u67b6\u69cb\u3002\u672c\u6587\u5c07\u63a2\u8a0e MySQL \u9ad8\u53ef\u7528\u67b6\u69cb\u7684\u5be6\u6230\u65b9\u6cd5\uff0c\u5305\u62ec\u4e3b\u5f9e\u8907\u88fd\u3001\u96c6\u7fa4\u548c\u6545\u969c\u8f49\u79fb\u7b49\u6280\u8853\u3002<\/p>\n<h2 id=\"1-%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-FXiQvHecGv\">1. \u4e3b\u5f9e\u8907\u88fd<\/h2>\n<p>\u4e3b\u5f9e\u8907\u88fd\u662f MySQL \u4e2d\u6700\u5e38\u898b\u7684\u9ad8\u53ef\u7528\u6027\u89e3\u6c7a\u65b9\u6848\u4e4b\u4e00\u3002\u5728\u9019\u7a2e\u67b6\u69cb\u4e2d\uff0c\u4e00\u500b\u4e3b\u6578\u64da\u5eab\uff08Master\uff09\u8ca0\u8cac\u8655\u7406\u6240\u6709\u7684\u5beb\u5165\u8acb\u6c42\uff0c\u800c\u4e00\u500b\u6216\u591a\u500b\u5f9e\u6578\u64da\u5eab\uff08Slave\uff09\u5247\u7528\u65bc\u8655\u7406\u8b80\u53d6\u8acb\u6c42\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u53ef\u4ee5\u5206\u64d4\u4e3b\u6578\u64da\u5eab\u7684\u8ca0\u8f09\uff0c\u9084\u80fd\u5728\u4e3b\u6578\u64da\u5eab\u6545\u969c\u6642\u63d0\u4f9b\u5099\u4efd\u3002<\/p>\n<h3 id=\"1-1-%e8%a8%ad%e7%bd%ae%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-FXiQvHecGv\">1.1 \u8a2d\u7f6e\u4e3b\u5f9e\u8907\u88fd<\/h3>\n<pre><code>-- \u5728\u4e3b\u6578\u64da\u5eab\u4e0a\u57f7\u884c\nSHOW MASTER STATUS;\n-- \u8a18\u4e0b File \u548c Position \u7684\u503c\n\n-- \u5728\u5f9e\u6578\u64da\u5eab\u4e0a\u57f7\u884c\nCHANGE MASTER TO\n    MASTER_HOST='\u4e3b\u6578\u64da\u5eabIP',\n    MASTER_USER='\u8907\u88fd\u7528\u6236',\n    MASTER_PASSWORD='\u7528\u6236\u5bc6\u78bc',\n    MASTER_LOG_FILE='\u8a18\u4e0b\u7684File',\n    MASTER_LOG_POS=\u8a18\u4e0b\u7684Position;\n\nSTART SLAVE;\n<\/code><\/pre>\n<p>\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u5f9e\u6578\u64da\u5eab\u5c07\u958b\u59cb\u63a5\u6536\u4e3b\u6578\u64da\u5eab\u7684\u66f4\u65b0\uff0c\u5be6\u73fe\u6578\u64da\u7684\u540c\u6b65\u3002<\/p>\n<h2 id=\"2-mysql-%e9%9b%86%e7%be%a4-FXiQvHecGv\">2. MySQL \u96c6\u7fa4<\/h2>\n<p>MySQL \u96c6\u7fa4\u662f\u4e00\u7a2e\u66f4\u9ad8\u7d1a\u7684\u9ad8\u53ef\u7528\u6027\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u3002MySQL \u96c6\u7fa4\u4f7f\u7528 NDB \u5b58\u5132\u5f15\u64ce\uff0c\u652f\u6301\u6578\u64da\u7684\u5206\u7247\u548c\u81ea\u52d5\u6545\u969c\u8f49\u79fb\u3002\u9019\u610f\u5473\u8457\u5373\u4f7f\u67d0\u500b\u7bc0\u9ede\u5931\u6548\uff0c\u7cfb\u7d71\u4ecd\u7136\u53ef\u4ee5\u7e7c\u7e8c\u904b\u884c\u3002<\/p>\n<h3 id=\"2-1-%e9%9b%86%e7%be%a4%e6%9e%b6%e6%a7%8b-FXiQvHecGv\">2.1 \u96c6\u7fa4\u67b6\u69cb<\/h3>\n<ul>\n<li>\u7ba1\u7406\u7bc0\u9ede\uff1a\u8ca0\u8cac\u96c6\u7fa4\u7684\u7ba1\u7406\u548c\u914d\u7f6e\u3002<\/li>\n<li>\u6578\u64da\u7bc0\u9ede\uff1a\u5b58\u5132\u5be6\u969b\u7684\u6578\u64da\uff0c\u652f\u6301\u6578\u64da\u7684\u5206\u7247\u3002<\/li>\n<li>API \u7bc0\u9ede\uff1a\u63d0\u4f9b\u61c9\u7528\u7a0b\u5e8f\u8207\u96c6\u7fa4\u4e4b\u9593\u7684\u63a5\u53e3\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u67b6\u69cb\u80fd\u5920\u5be6\u73fe\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\uff0c\u9069\u5408\u5927\u578b\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"3-%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb-FXiQvHecGv\">3. \u6545\u969c\u8f49\u79fb<\/h2>\n<p>\u6545\u969c\u8f49\u79fb\u662f\u78ba\u4fdd MySQL \u9ad8\u53ef\u7528\u6027\u7684\u53e6\u4e00\u7a2e\u91cd\u8981\u6280\u8853\u3002\u7576\u4e3b\u6578\u64da\u5eab\u767c\u751f\u6545\u969c\u6642\uff0c\u7cfb\u7d71\u80fd\u5920\u81ea\u52d5\u5c07\u8acb\u6c42\u8f49\u79fb\u5230\u5f9e\u6578\u64da\u5eab\u6216\u5099\u4efd\u6578\u64da\u5eab\u4e0a\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u5de5\u5177\u5982 MHA\uff08Master High Availability Manager\uff09\u6216 Orchestrator \u4f86\u5be6\u73fe\u3002<\/p>\n<h3 id=\"3-1-%e4%bd%bf%e7%94%a8-mha-%e9%80%b2%e8%a1%8c%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb-FXiQvHecGv\">3.1 \u4f7f\u7528 MHA \u9032\u884c\u6545\u969c\u8f49\u79fb<\/h3>\n<pre><code>-- \u5b89\u88dd MHA\napt-get install mha4mysql-manager\n\n-- \u914d\u7f6e MHA\ncat \/etc\/mha.cnf\n[server1]\nmanager_ip=\u7ba1\u7406\u7bc0\u9edeIP\nmaster_ip=\u4e3b\u6578\u64da\u5eabIP\nmaster_user=\u7ba1\u7406\u7528\u6236\nmaster_password=\u7528\u6236\u5bc6\u78bc\n<\/code><\/pre>\n<p>\u901a\u904e\u914d\u7f6e MHA\uff0c\u7576\u4e3b\u6578\u64da\u5eab\u6545\u969c\u6642\uff0cMHA \u5c07\u81ea\u52d5\u9078\u64c7\u4e00\u500b\u5f9e\u6578\u64da\u5eab\u4f5c\u70ba\u65b0\u7684\u4e3b\u6578\u64da\u5eab\uff0c\u4e26\u91cd\u65b0\u914d\u7f6e\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"4-%e7%9b%a3%e6%8e%a7%e8%88%87%e7%b6%ad%e8%ad%b7-FXiQvHecGv\">4. \u76e3\u63a7\u8207\u7dad\u8b77<\/h2>\n<p>\u9ad8\u53ef\u7528\u67b6\u69cb\u7684\u6210\u529f\u5be6\u65bd\u4e0d\u50c5\u4f9d\u8cf4\u65bc\u6280\u8853\u7684\u9078\u64c7\uff0c\u9084\u9700\u8981\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u7dad\u8b77\u3002\u4f7f\u7528\u5de5\u5177\u5982 Prometheus \u548c Grafana\uff0c\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7 MySQL \u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u554f\u984c\u3002<\/p>\n<h3 id=\"4-1-%e7%9b%a3%e6%8e%a7%e6%8c%87%e6%a8%99-FXiQvHecGv\">4.1 \u76e3\u63a7\u6307\u6a19<\/h3>\n<ul>\n<li>\u67e5\u8a62\u5ef6\u9072<\/li>\n<li>\u9023\u63a5\u6578<\/li>\n<li>\u78c1\u789f\u4f7f\u7528\u7387<\/li>\n<li>CPU \u548c\u5167\u5b58\u4f7f\u7528\u7387<\/li>\n<\/ul>\n<p>\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u9019\u4e9b\u6307\u6a19\uff0c\u53ef\u4ee5\u78ba\u4fdd MySQL \u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FXiQvHecGv\">\u7e3d\u7d50<\/h2>\n<p>\u5be6\u73fe MySQL \u7684\u9ad8\u53ef\u7528\u67b6\u69cb\u9700\u8981\u7d9c\u5408\u8003\u616e\u591a\u7a2e\u6280\u8853\uff0c\u5305\u62ec\u4e3b\u5f9e\u8907\u88fd\u3001\u96c6\u7fa4\u548c\u6545\u969c\u8f49\u79fb\u7b49\u3002\u9019\u4e9b\u6280\u8853\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u6301\u7e8c\u53ef\u7528\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u67b6\u69cb\u548c\u5de5\u5177\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\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\u7d22\u5be6\u6230 MySQL \u9ad8\u53ef\u7528\u67b6\u69cb\uff0c\u5b78\u7fd2\u5982\u4f55\u8a2d\u8a08\u548c\u5be6\u65bd\u7a69\u5b9a\u3001\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u696d\u52d9\u6301\u7e8c\u904b\u884c\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-183480","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183480","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=183480"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183480\/revisions"}],"predecessor-version":[{"id":183481,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183480\/revisions\/183481"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}