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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/07/07 13:46:50 UTC

[GitHub] [shardingsphere] natehuangting opened a new issue, #18943: After switchover, databaseDiscovery cannot discover new master

natehuangting opened a new issue, #18943:
URL: https://github.com/apache/shardingsphere/issues/18943

   ## Bug Report
   
   ### Which version of ShardingSphere did you use?
   master
   
   ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
   ShardingSphere-Proxy
   
   ### Actual behavior
   Two nodes ds_0, ds_1, originally ds_0 is the host, after the switch ds_1 is the host. But the Proxy cannot find that ds_1 is the master.
   
   ### Reason analyze (If you can)
   When switching, the replication status of ds_1 is cleared, the show slave status is empty, and the proxy adds ds_1 to disableDatasourceNames. Since the disabled node does not participate in the logic of judging whether it is the master, and the show slave status is always empty, the state cannot be changed to enable.
   
   <img width="1268" alt="企业微信截图_aa59b243-52b8-4979-bdce-47e6f3f304a3" src="https://user-images.githubusercontent.com/26433395/177788903-266d58f6-cff2-4b17-983d-013f56d310a4.png">
   <img width="1141" alt="企业微信截图_349ac266-ff9e-49cd-bed9-db8a21483e3d" src="https://user-images.githubusercontent.com/26433395/177789179-10fe0d52-d3ee-4ba8-968c-b67701ba1d82.png">
   


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[GitHub] [shardingsphere] natehuangting closed issue #18943: After switchover, databaseDiscovery cannot discover new master

Posted by GitBox <gi...@apache.org>.

natehuangting closed issue #18943: After switchover, databaseDiscovery cannot discover new master
URL: https://github.com/apache/shardingsphere/issues/18943


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