{"id":631,"date":"2020-07-27T10:33:22","date_gmt":"2020-07-27T02:33:22","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=631"},"modified":"2020-12-30T10:14:02","modified_gmt":"2020-12-30T02:14:02","slug":"gbase-8a%e9%9b%86%e7%be%a4v95%e7%89%88%e6%9c%acgcwar%e6%9c%8d%e5%8a%a1snapshot%e6%96%87%e4%bb%b6%e5%8a%9f%e8%83%bd%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/631","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4V95\u7248\u672cgcwar\u670d\u52a1snapshot\u6587\u4ef6\u529f\u80fd\u8bf4\u660e"},"content":{"rendered":"<pre class=\"wp-block-preformatted\">\u6267\u884ccd $GCWARE_BASE\/data\/gcware\u547d\u4ee4\uff0c\u8fdb\u5165\u5230gcware\u6301\u4e45\u5316\u6587\u4ef6\u76ee\u5f55\uff0c\u53ef\u770b\u5230\u5982\u4e0b\u6587\u4ef6\uff1a<\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>|---GCWARE_META.A--raft\u534f\u8bae\u5143\u6570\u636e\uff0c\u5728gcware\u670d\u52a1\u542f\u52a8\u65f6\u8bfb\u53d6\r\n|---GCWARE_META.B--raft\u534f\u8bae\u5143\u6570\u636e\u53e6\u4e00\u7248\u672c\uff0c\u5728\u6301\u4e45\u5316\u5feb\u7167\u3001\u5207\u6362\u5230Candidate\u6216Follower\u72b6\u6001\u3001\u6295\u7968\u7ed9\u67d0\u8282\u70b9\u65f6\u5199\u5165\r\n|---REDOLOG.--gcluster\u3001gcrecover\u7b49\u8bbf\u95eegcware\u7684\u5199\u64cd\u4f5c\u65e5\u5fd7 \r\n|---SNAPSHOT..--gcware\u5b58\u50a8\u7684\u4e00\u81f4\u6027\u4fe1\u606f\uff0c\u6bd4\u5982scn\u3001tableid\u3001feventlog\u3001\u8282\u70b9\u72b6\u6001\u7b49 \u8fdb\u5165\u5176\u4e2d\u4e00\u4e2aSNAPSHOT..*\u76ee\u5f55\uff0c\u770b\u5230\u5982\u4e0b\u6587\u4ef6\uff1a\r\n|---members--gcware\u8282\u70b9\u5217\u8868\uff0c\u542b\u8282\u70b9nodeid\uff0cip\u5730\u5740\u548c\u8282\u70b9\u72b6\u6001\r\n|---meta--gcware\u6301\u4e45\u5316\u6587\u4ef6\u7248\u672c\uff0c\u76ee\u524d\u56fa\u5b9a\u4e3a2.1\uff0c\u7559\u4f5c\u672a\u6765\u4fee\u6539gcware\u6301\u4e45\u5316\u6587\u4ef6\u683c\u5f0f\u65f6\u6269\u5c55\u4f7f\u7528\r\n|---sessions\uff1a\u5b58\u50a8gcluster\u3001gcrecover\u7b49\u5ba2\u6237\u7aef\u8fdb\u7a0b\u4e0egcware\u5efa\u7acb\u8fde\u63a5\u7684session\u4fe1\u606f\uff0c\u5177\u6709\u4e34\u65f6\u6027\uff0c\u5f53\u5ba2\u6237\u7aef\u4e3b\u52a8\u65ad\u5f00\u8fde\u63a5\u6216session_expire\u65f6\uff0c\u81ea\u52a8\u5220\u9664\r\n|---statemachine\uff1a\u5b58\u50a8gcware\u4fdd\u5b58\u4fe1\u606f(scn\u3001tableid\u3001\u96c6\u7fa4\u62d3\u6251\u3001feventlog\u3001lck\u3001failover\u548c\u8282\u70b9\u72b6\u6001\u7b49)\u7684\u6587\u4ef6\u5939\uff0c\u76f8\u5f53\u4e8e86\u7248\u672c\u7684\/var\/lib\/gcware<\/code><\/pre>\n\n\n\n<p>\u8fdb\u5165statemachine\u76ee\u5f55\uff0c\u770b\u5230\u5982\u4e0b\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>|---clm_clientinfo\uff1a\u5ba2\u6237\u7aef\u4e0egcware clm\u6a21\u5757\u8fde\u63a5\u7684session\u4fe1\u606f\r\n|---COMMITID\uff1a\u8bb0\u5f55\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927commitid\r\n|---COMMON_REGIST\uff1a\u5b58\u50a8gcluster kafka consumer\u5404\u8282\u70b9\u4efb\u52a1\u4fe1\u606f\r\n|---COORDINATORSTATE\uff1acoordinator\u8282\u70b9\u72b6\u6001\u4fe1\u606f\r\n|---crm_clientinfo\uff1a\u5ba2\u6237\u7aef\u4e0egcware crm\u6a21\u5757\u8fde\u63a5\u7684session\u4fe1\u606f\r\n|---DATACLUSTERSTATE\uff1adataserver\u8282\u70b9\u72b6\u6001\u4fe1\u606f\r\n|---DISTRIBUTION2VC\uff1avc\u548cdistribution\u4fe1\u606f\r\n|---DISTRIBUTIONID\uff1a\u8bb0\u5f55\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927distributionid\r\n|---FAILOVER\uff1afailover\u4fe1\u606f\r\n|---FEVENTLOG\uff1acoordinator\u8282\u70b9\u4e0a\u7684feventlog\u65e5\u5fd7\u4fe1\u606f\r\n|---FREEDATASERVER\uff1a\u672a\u88ab\u6dfb\u52a0\u5230VC\u7684freenode\u8282\u70b9\u4fe1\u606f\r\n|---GCWARE_MODE\uff1a\u96c6\u7fa4\u6a21\u5f0f\uff0cnormal\u3001readonly\u548crecovery\r\n|---INCOMPLETE_DDLFEVENT\uff1a\u6682\u65f6\u672a\u8bb0\u5f55\u5b8c\u6574\u7684ddl\u65e5\u5fd7\r\n|---INCOMPLETE_DMLFEVENT\uff1a\u6682\u65f6\u672a\u8bb0\u5f55\u5b8c\u6574\u7684dml\u65e5\u5fd7\r\n|---KVSTORE\uff1a\u7528\u4e8egcware\u7684key-value\u5b58\u50a8\uff0c\u76ee\u524d\u53ea\u5b58\u50a8\u4e86\u5f15\u64ce\u5b9e\u4f8b\u4fe1\u606f\r\n|---lck_clientinfo\uff1a\u5ba2\u6237\u7aef\u4e0egcware lck\u6a21\u5757\u8fde\u63a5\u7684session\u4fe1\u606f\r\n|---QUEUE_RESOURCE\uff1a\u96c6\u7fa4\u9501\u4fe1\u606f\r\n|---RCVC\uff1aVC\u4fe1\u606f\r\n|---RECOVER_REGIST\uff1a\u5b58\u50a8gcrecover\u5404\u8282\u70b9\u7684\u4efb\u52a1\u4fe1\u606f\r\n|---SCN\uff1a\u8bb0\u5f55\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927scn\r\n|---TABLEID\uff1a\u8bb0\u5f55\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927tableid\r\n|---TAKEOVER_REGIST\uff1a\u5b58\u50a8gcluster\u7528\u4e8e\u63a5\u7ba1failover\u7684\u8fde\u63a5\u4fe1\u606f\r\n|---TASKID\uff1a\u8bb0\u5f55\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927taskid\r\n|---VCID\uff1a\u8bb0\u5f55\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927vcid\r\n|---VCMIRROR\uff1a\u6682\u672a\u4f7f\u7528\r\n|---VCMIRRORID\uff1a\u6682\u672a\u4f7f\u7528\r\n|---vc00001\uff1a<\/code><\/pre>\n\n\n\n<p>\u8fdb\u5165vc00001\u76ee\u5f55\uff0c\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>|---DATACLUSTERSTATE\uff1aVC\u4e0bdataserver\u8282\u70b9\u72b6\u6001\u4fe1\u606f\r\n|---DATASERVER\uff1aVC\u4e0bdataserver\u8282\u70b9\u4fe1\u606f\r\n|---DISTRIBUTION\uff1aVC\u4e0bdistribution\u4fe1\u606f\r\n|---FEVENTLOG\uff1aVC\u4e0bfeventlog\u4fe1\u606f\r\n|---INCOMPLETE_DDLFEVENT\uff1aVC\u4e0b\u6682\u65f6\u672a\u8bb0\u5f55\u5b8c\u6574\u7684ddl\u65e5\u5fd7\r\n|---INCOMPLETE_DMLFEVENT\uff1aVC\u4e0b\u6682\u65f6\u672a\u8bb0\u5f55\u5b8c\u6574\u7684dml\u65e5\u5fd7\r\n|---SEGMENT\uff1aVC\u4e0b\u5404\u8282\u70b9\u7684\u5206\u7247\u4fe1\u606f\r\n|---SEGMENTID\uff1a\u5f53\u524d\u5df2\u5206\u914d\u51fa\u53bb\u7684\u6700\u5927segmentid<\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 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