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https://issues.apache.org/jira/browse/HBASE-18233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237013#comment-16237013
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Sean Busbey commented on HBASE-18233:
-------------------------------------
What do folks think about this known issue text:
{quote}
Known Issues:
* HBASE-18233 (Critical) The HBase 1.2.z line of releases contain a
performance regression in the face of concurrent increments and/or
checkAndPut-style operations against adjacent row(s).
{quote}
Presuming this issue is still open by this weekend, I'd like to bump this down
to critical and continue on with a 1.2.7 RC. Please let me know if the presence
of this known issue would result in a vote of -1 on such a release candidate.
> We shouldn't wait for readlock in doMiniBatchMutation in case of deadlock
> -------------------------------------------------------------------------
>
> Key: HBASE-18233
> URL: https://issues.apache.org/jira/browse/HBASE-18233
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.2.7
> Reporter: Allan Yang
> Assignee: Allan Yang
> Priority: Blocker
> Fix For: 1.3.2, 1.2.7
>
> Attachments: HBASE-18233-branch-1.2.patch,
> HBASE-18233-branch-1.2.v2.patch, HBASE-18233-branch-1.2.v3.patch,
> HBASE-18233-branch-1.2.v4 (1).patch, HBASE-18233-branch-1.2.v4 (1).patch,
> HBASE-18233-branch-1.2.v4 (2).patch, HBASE-18233-branch-1.2.v4.patch,
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch,
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch,
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch
>
>
> Please refer to the discuss in HBASE-18144
> https://issues.apache.org/jira/browse/HBASE-18144?focusedCommentId=16051701&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16051701
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