{"id":244,"date":"2020-06-12T13:31:19","date_gmt":"2020-06-12T05:31:19","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=244"},"modified":"2021-04-30T16:58:54","modified_gmt":"2021-04-30T08:58:54","slug":"gbase-8a-%e9%9b%86%e7%be%a4%e7%9a%84-failover%e5%92%8cevent%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/244","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a \u96c6\u7fa4\u7684 failover\u548cevent\u7684\u533a\u522b"},"content":{"rendered":"<p>GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\u652f\u6301\u9ad8\u53ef\u7528\u673a\u5236\uff0c\u4e3a\u786e\u4fdd\u96c6\u7fa4\u4e00\u81f4\u6027\uff0c\u4f46\u4e3b\u5907\u4e4b\u95f4\u51fa\u73b0\u4e0d\u4e00\u81f4\u65f6\uff0c\u8bbe\u7f6eevent,\u7531gcrecover\u8fdb\u7a0b\u8d1f\u8d23\u8fdb\u884c\u540c\u6b65\u3002\u800c\u5728\u67d0\u4e9b\u64cd\u4f5c\u610f\u5916\u4e2d\u65ad\uff0c\u53ef\u80fd\u4ea7\u751f\u6b8b\u7559\u65f6\uff0c\u901a\u8fc7failover\u673a\u5236\uff0c\u7531\u5176\u5b83\u8fdb\u7a0b\u63a5\u624b\u505a\u626b\u5c3e\u5de5\u4f5c\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ae72277072\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ae72277072\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/244\/#event\" >event<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/244\/#failover\" >failover<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"event\"><\/span>event<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5982\u4e3b\u5907\u8282\u70b9\u51fa\u73b0\u4e0d\u4e00\u81f4\uff0c\u6216\u8005\u6570\u636e\u8bfb\u53d6\u6545\u969c\uff0c\u5219\u8bbe\u7f6e\u8be5\u8868\u7684\u8fd9\u4e2a\u5206\u7247\u72b6\u6001\u4e3a1\u3002\u6839\u636e\u4e0d\u540c\u7684\u9519\u8bef\u7c7b\u578b\uff0c\u5206\u4e3a<\/p>\n\n\n\n<p>dmlevent \u6570\u636e\u5185\u5bb9\u4e0d\u4e00\u81f4<br>ddlevent \u5143\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u6216\u8005\u8868\u7ed3\u6784\u4e0d\u4e00\u81f4<br>dmlstorageevent \u6570\u636e\u5b58\u50a8\u5f02\u5e38\uff0c\u4e00\u822c\u662f\u78c1\u76d8\u7269\u7406\u635f\u574f\u6216\u8005\u6570\u636e\u6587\u4ef6checksum\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2aevent\uff0c\u7531\u7cfb\u7edf\u7684gcrecover\u8fdb\u884c\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u96c6\u7fa4\u7ba1\u7406\u547d\u4ee4<br>gcadmin showdmlevent<br>gcadmin showddlevent<br>gcadmin showdmlstorageevent<br>\u67e5\u770b\u5f53\u524devent\u60c5\u51b5\uff0c\u8be6\u60c5\u8bf7\u53c2\u8003<\/p>\n\n\n\n<p><a href=\"https:\/\/www.gbase8.cn\/en\/22\/\">GBase8a MPP Cluster\u67e5\u770b\u96c6\u7fa4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u8be6\u60c5<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"failover\"><\/span>failover<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u64cd\u4f5c\u5728\u53d1\u8d77\u7aefgclusterd\u51fa\u73b0\u610f\u5916\u65f6\uff0c\u4e3a\u4e86\u786e\u4fdd\u5f71\u54cd\u5230\u7684\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u8bbe\u7f6efailover, \u7531\u5176\u5b83gclusterd\u8fdb\u7a0b\u8d1f\u8d23\u68c0\u67e5\u6545\u969c\u64cd\u4f5c\u8bbe\u8ba1\u7684\u8868\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<p>\u5982\u53d1\u73b0\u4e0d\u4e00\u81f4\uff0c\u6bd4\u5982\u5728commit\u9636\u6bb5\uff0c\u90e8\u5206\u5206\u7247\u6210\u529f\u4e86\uff0c\u90a3\u4e48\u6839\u636e\u4e3b\u5907\u6bd4\u4f8b\uff0c\u91c7\u53d6\u5bf9\u4e0d\u6210\u529f\u7684\u5206\u7247\u8bbe\u7f6e1\u8fdb\u884c\u540c\u6b65\uff0c\u6216\u8005\u5bf9\u5c11\u91cf\u5df2\u7ecfcommit\u7684\u5206\u7247\u8fdb\u884c\u5f3a\u5236\u56de\u6eda\u3002<\/p>\n\n\n\n<p>\u6700\u7ec8\u786e\u4fdd\u6240\u6709\u8282\u70b9\u5168\u90e8\u6210\u529f\u6216\u8005\u5168\u90e8\u5931\u8d25\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u96c6\u7fa4\u7ba1\u7406\u547d\u4ee4<\/p>\n\n\n\n<p>gcadmin showfailover<\/p>\n\n\n\n<p>\u67e5\u770b\u8be6\u60c5\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 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