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Posted to issues@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2019/02/06 20:53:00 UTC
[jira] [Comment Edited] (HBASE-21849) master serving regions
version is not handled correctly, causing system table hosting to not work
[ https://issues.apache.org/jira/browse/HBASE-21849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16762130#comment-16762130 ]
Sergey Shelukhin edited comment on HBASE-21849 at 2/6/19 8:52 PM:
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[~stack] hmm, I was able to make it work with this patch (on master snapshot).
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).
I've not tried with other regions on master.
In any case, this is an orthogonal bugfix. Regions on master (not meta) would still be possible to enable without it... however when master assigns meta to itself, it then immediately moves it off because the version is "0.0.0", and also reports weird warning in the UI.
was (Author: sershe):
[~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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