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https://issues.apache.org/jira/browse/HBASE-6388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553337#comment-13553337
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Ted Yu commented on HBASE-6388:
-------------------------------
In HRegionServer#closeRegion(), we have:
{code}
} else if (region.isMetaRegion()) {
crh = new CloseMetaHandler(this, this, region, abort, zk,
versionOfClosingNode);
} else {
crh = new CloseRegionHandler(this, this, region, abort, zk,
versionOfClosingNode, sn);
}
this.service.submit(crh);
{code}
Looks like we parallelize region closing in trunk already.
> Avoid potential data loss if the flush fails during regionserver shutdown
> -------------------------------------------------------------------------
>
> Key: HBASE-6388
> URL: https://issues.apache.org/jira/browse/HBASE-6388
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.89-fb
> Reporter: Amitanand Aiyer
> Assignee: Amitanand Aiyer
> Priority: Critical
> Fix For: 0.96.0
>
> Attachments:
> 0001-HBASE-6388-89-fb-parallelize-close-and-avoid-deletin.patch
>
>
> During a controlled shutdown, Regionserver deletes HLogs even if
> HRegion.close() fails. We should not be doing this.
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