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Posted to issues@kudu.apache.org by "Will Berkeley (JIRA)" <ji...@apache.org> on 2018/03/06 19:44:00 UTC
[jira] [Updated] (KUDU-2331) Use tablet_id filter for
'move_replica' while running ksck-based pre-flight consistency check
[ https://issues.apache.org/jira/browse/KUDU-2331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Will Berkeley updated KUDU-2331:
--------------------------------
Code Review: http://gerrit.cloudera.org:8080/9510
Actually, the tool does use tablet id filters. The problem is that it insists all tservers be up to pass the pre-flight check. This is too restrictive.
> Use tablet_id filter for 'move_replica' while running ksck-based pre-flight consistency check
> ---------------------------------------------------------------------------------------------
>
> Key: KUDU-2331
> URL: https://issues.apache.org/jira/browse/KUDU-2331
> Project: Kudu
> Issue Type: Improvement
> Components: ksck, supportability
> Reporter: Alexey Serbin
> Assignee: Will Berkeley
> Priority: Major
>
> {\{kudu tablet change_config move_replica}} could use {{tablet_id}} filter to perform pre-flight consistency check. Right now, it always fails with {{Network error: ksck pre-move health check failed: Not all Tablet Servers are reachable}} error when whatever a tserver in the cluster is dead. No matter if the dead server is not involved in serving a replica of the tablet, the command doesn't allow users to run it.
> The tool should allow moving a tablet replica when the destination server and all tablet replicas are alive.
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