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https://issues.apache.org/jira/browse/HBASE-26187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17400591#comment-17400591
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Wellington Chevreuil commented on HBASE-26187:
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I had created another PR. The conflicts were not too complex, but after that I
had two of the newly added UTs failing, because the split procedure was taking
longer to progress than the test itself. I had to add logic to check and wait
for the split procedure completion in the tests. I wonder why I didn't have
this issue in the PR for master branch, maybe worth amend those same UTs in
master branch?
> Write straight into the store directory when Splitting and Merging
> ------------------------------------------------------------------
>
> Key: HBASE-26187
> URL: https://issues.apache.org/jira/browse/HBASE-26187
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0-alpha-1
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Fix For: 3.0.0-alpha-2
>
>
> As discussed with [~zhangduo] on HBASE-26079, we think there's no actual need
> for Splits/Merges to make use of temp directories, because the split/merge
> region files would not be loaded until the new regions are ready to open,
> meaning the split/merge operation has completed. This would then avoid the
> need for a FS rename at the end of split/merge operation.
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