{"id":1644,"date":"2020-09-23T21:06:59","date_gmt":"2020-09-23T13:06:59","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=1644"},"modified":"2021-06-08T09:06:10","modified_gmt":"2021-06-08T01:06:10","slug":"gbase-8a%e4%bb%8ev8%e5%8d%87%e7%ba%a7%e5%88%b0v9%e7%9a%84redolog%e7%9a%84%e5%88%b7%e6%96%b0%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/1644","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u4eceV8\u5347\u7ea7\u5230V9\u7684REDOLOG\u7684\u5237\u65b0\u5904\u7406"},"content":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecdGBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u4eceV8\u7248\u672c\u5347\u7ea7\u5230V9\u7248\u672c\u65f6\uff0c\u7531\u4e8eREDOLOG\u7684\u4e2a\u662f\u5b8c\u5168\u6539\u53d8\uff0c\u6240\u4ee5\u8981\u6c42\u5176\u5fc5\u987b\u662f\u521d\u59cb\u72b6\u6001(\u5927\u5c0f\u4e3a334\u6216\u8005338\u5b57\u8282)\uff0c\u6240\u4ee5\u9700\u8981\u5347\u7ea7\u524d\u5237\u65b0REDOLOG\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-6a2d5064ee113\" 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-6a2d5064ee113\"  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\/1644\/#%E6%B3%A8%E6%84%8F%EF%BC%9A\" >\u6ce8\u610f\uff1a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/1644\/#%E5%88%B7%E6%96%B0%E5%89%8D%E6%8F%90\" >\u5237\u65b0\u524d\u63d0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/1644\/#%E5%88%B7%E6%96%B0%E6%96%B9%E6%B3%95\" >\u5237\u65b0\u65b9\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/1644\/#%E6%84%8F%E5%A4%96%E5%A4%84%E7%90%86\" >\u610f\u5916\u5904\u7406<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B3%A8%E6%84%8F%EF%BC%9A\"><\/span>\u6ce8\u610f\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7ecf\u786e\u8ba4\uff0c\u5728\u65b0\u7248\u672cV95\u5df2\u7ecf\u5185\u7f6e\u5237\u65b0\u64cd\u4f5c\u3002\u4f46\u4ecd\u5efa\u8bae\u524d\u671f\u5904\u7406\u4e00\u4e0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%B7%E6%96%B0%E5%89%8D%E6%8F%90\"><\/span>\u5237\u65b0\u524d\u63d0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6240\u6709\u7684\u8fde\u63a5\u6570\u636e\u5e93\u7684SQL\u90fd\u8981\u505c\u6b62\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5916\u90e8\u5e94\u7528\uff0c\u5ba2\u6237\u7aef\uff0c\u5b9a\u65f6\u4efb\u52a1\uff0c\u6570\u636e\u5e93\u5185\u7684Event\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\u53d1\u73b0\u5f53\u7cfb\u7edf\u5b58\u57282\u4e2anodedatamap\u65f6\uff0c\u6570\u636e\u5e93\u5185\u90e8\u4f1a\u81ea\u52a8\u8c03\u7528\u5982\u4e0b\u7684SQL\u6765\u4e0d\u65ad\u7684\u5c1d\u8bd5\u67e5\u627e\u91cd\u5206\u5e03\u4efb\u52a1\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select db_name, table_name, distribution_id from gclusterdb.rebalancing_status where status = 'STARTING' and (select count(*) from gclusterdb.rebalancing_status where status = 'RUNNING') &lt; 5 order by priority limit 5<\/code><\/pre>\n\n\n\n<p>\u8be5SQL\u540c\u6837\u8981\u5904\u7406\u6389\uff0c\u65b9\u6cd5\u5c31\u662f\u5b8c\u6210\u91cd\u5206\u5e03\uff0c\u7136\u540e\u628a\u4e0d\u518d\u4f7f\u7528\u7684nodedatamap\u5220\u9664\u6389\u5373\u53ef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%B7%E6%96%B0%E6%96%B9%E6%B3%95\"><\/span>\u5237\u65b0\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>1\u3001\u5148\u5c06\u96c6\u7fa4\u4efb\u4f55\u4e00\u4e2a\u7ba1\u7406\u8282\u70b9\u6570\u636e\u5e93\u670d\u52a1\u505c\u6389<\/p>\n\n\n\n<p>2\u3001\u518d\u5c06\u8fd9\u4e2a\u8282\u70b9\u670d\u52a1\u542f\u52a8<\/p>\n\n\n\n<p>3\u3001\u518d\u6b21\u5c06\u8fd9\u4e2a\u8282\u70b9\u670d\u52a1\u505c\u6389<br>\u6b64\u65f6\u53bb\u770b\/var\/lib\/gcware\/REDOLOG.XXX \u5176\u5927\u5c0f\u5df2\u7ecf\u53d8\u6210334\u3001338\u5927\u5c0f\u3002\u6240\u6709\u7ba1\u7406\u8282\u70b9\u90fd\u4e00\u6837\u4e86\u3002<\/p>\n\n\n\n<p>\u65b0\u7248\u672c\u7684V95(9.5.2.20+\uff09\u4f1a\u81ea\u52a8\u6267\u884c\u5982\u4e0a\u7684\u64cd\u4f5c\uff0c\u5b9e\u73b0\u81ea\u52a8\u5237REDOLOG\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%84%8F%E5%A4%96%E5%A4%84%E7%90%86\"><\/span>\u610f\u5916\u5904\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5982\u679c\u53d1\u73b0\u5237\u65b0\u540e\uff0c\u6587\u4ef6\u5927\u5c0f\u591a\u4e86\uff0c\u90a3\u5c31\u662f\u6709SQL\u5728\u8fd0\u884c\u3002\u53ef\u4ee5\u5f00\u542f\u5ba1\u8ba1\u65e5\u5fd7\uff0c\u8bb0\u5f97\u5199\u5165\u914d\u7f6e\u6587\u4ef6\uff0c\u786e\u4fdd\u91cd\u542f\u540e\u5ba1\u8ba1\u65e5\u5fd7\u8fd8\u5728\uff0c\u6392\u67e5\u662f\u4ec0\u4e48SQL\u5728\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5982\u679c\u5b58\u5728\u6269\u5bb9\u64cd\u4f5c\u6ca1\u6709\u5b8c\u6210\uff0c\u5b58\u5728\u591a\u4e2adistribution_id\uff0c\u6570\u636e\u5e93\u5185\u90e8\u4f1a\u5b9a\u65f6\u8c03\u7528\u91cd\u5206\u5e03rebalance\u4efb\u52a1\uff0c\u67e5\u770b\u662f\u5426\u7531\u4efb\u52a1\uff0c\u5728\u9020\u6210REDOLOG\u6587\u4ef6\u53c8\u4e0d\u662f334\u3001338\u4e86\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecdGBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u4eceV8\u7248\u672c\u5347\u7ea7\u5230V9\u7248\u672c\u65f6\uff0c\u7531\u4e8eREDOLOG\u7684\u4e2a\u662f\u5b8c\u5168\u6539\u53d8\uff0c\u6240\u4ee5\u8981\u6c42\u5176\u5fc5\u987b\u662f\u521d\u59cb\u72b6\u6001(\u5927\u5c0f\u4e3a334\u6216\u8005338\u5b57\u8282)\uff0c\u6240\u4ee5\u9700\u8981\u5347\u7ea7\u524d\u5237\u65b0REDOLOG\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,54],"tags":[93],"class_list":{"0":"post-1644","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-gbase8a","8":"tag-93"},"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=1644"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1644\/revisions"}],"predecessor-version":[{"id":6326,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1644\/revisions\/6326"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=1644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=1644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=1644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}