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https://issues.apache.org/jira/browse/HBASE-21849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16762130#comment-16762130
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Sergey Shelukhin commented on HBASE-21849:
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[~stack] hmm, I was able to make it work with this patch.
I just tried to mess with my test cluster, kill dash nined master a few times,
then stopped and restarted the entire cluster a couple times, and it seems to
be doing fine (master hosting meta & assigning regions, and clients are able to
write).
> master serving regions version is not handled correctly, causing system table
> hosting to not work
> -------------------------------------------------------------------------------------------------
>
> Key: HBASE-21849
> URL: https://issues.apache.org/jira/browse/HBASE-21849
> Project: HBase
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Major
> Attachments: HBASE-21849.patch
>
>
> {noformat}
> ...
> master-node,17000,1549396264134 Tue Feb 05 11:51:04 PST 2019 2 s
> 0.0.0 0 0
> rs-node,17020,1549396262825 Tue Feb 05 11:51:02 PST 2019 2 s
> 3.0.4-SNAPSHOT 0 50
> Total:NN 1 nodes with inconsistent version
> {noformat}
> This also causes master to never actually host system table regions, even
> with hbase.balancer.tablesOnMaster.systemTablesOnly=true
> {noformat}
> 2019-02-05 14:15:14,394 INFO [Thread-290] assignment.AssignmentManager:
> Async MOVE of 1588230740 to newer Server=...
> {noformat}
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