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Posted to dev@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/06/16 18:03:00 UTC
[jira] [Resolved] (HBASE-9422) AsyncProcess and HTable will submit the same mutation twice if there is an error locating region.
[ https://issues.apache.org/jira/browse/HBASE-9422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Kyle Purtell resolved HBASE-9422.
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Assignee: (was: Nicolas Liochon)
Resolution: Not A Problem
> AsyncProcess and HTable will submit the same mutation twice if there is an error locating region.
> -------------------------------------------------------------------------------------------------
>
> Key: HBASE-9422
> URL: https://issues.apache.org/jira/browse/HBASE-9422
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 0.98.0, 0.96.0
> Reporter: Elliott Neil Clark
> Priority: Minor
>
> HTable#backgroundFlushCommits calls AsyncProcess#submit
> AsyncProcess#submit tries to get the region location but doesn't remove the mutation from the write buffer. If it doesn't get the location the mutation is added to the error list.
> then HTable#backgroundFlushCommits takes all mutations from the error list and adds them to the write buffer list.
> This should result in two references to the same mutation being in the write buffer list twice. It's not a big deal as two of the same mutation being executed should be ideponent (unless the two puts are executed across ms boundaries.)
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