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https://issues.apache.org/jira/browse/HADOOP-2405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12556738#action_12556738
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Billy Pearson commented on HADOOP-2405:
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Maybe make a set size in the config make it a % of the max size or something
like that and have a command that will run and select all regions that match
and merge them in to the smaller of the two regions that are before and after
it. It would be nice to have this automated maybe we could tie it in to the
split or compaction thread that run on the region servers.
I like you idea stack if we could do that then the table would not have to be
taken offline to merge the regions and all would be cleaned up on the next
compaction.
> [hbase] Merge region tool exposed in shell and/or in UI
> -------------------------------------------------------
>
> Key: HADOOP-2405
> URL: https://issues.apache.org/jira/browse/HADOOP-2405
> Project: Hadoop
> Issue Type: New Feature
> Components: contrib/hbase
> Reporter: stack
> Priority: Minor
>
> hbase has support for merging regions. Expose a merge trigger in the shell
> or in the UI (Can only merge adjacent features so perhaps only makes sense in
> UI in the regionserver UI).
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