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https://issues.apache.org/jira/browse/HBASE-15146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15111788#comment-15111788
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Hadoop QA commented on HBASE-15146:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 3s {color}
| {color:red} HBASE-15146 does not apply to master. Rebase required? Wrong
Branch? See https://yetus.apache.org/documentation/latest/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12783735/HBASE-15146.5.patch |
| JIRA Issue | HBASE-15146 |
| Powered by | Apache Yetus 0.1.0 http://yetus.apache.org |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/244/console |
This message was automatically generated.
> Don't block on Reader threads queueing to a scheduler queue
> -----------------------------------------------------------
>
> Key: HBASE-15146
> URL: https://issues.apache.org/jira/browse/HBASE-15146
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Blocker
> Fix For: 1.2.0
>
> Attachments: HBASE-15146.0.patch, HBASE-15146.1.patch,
> HBASE-15146.2.patch, HBASE-15146.3.patch, HBASE-15146.4.patch,
> HBASE-15146.5.patch
>
>
> Blocking on the epoll thread is awful. The new rpc scheduler can have lots of
> different queues. Those queues have different capacity limits. Currently the
> dispatch method can block trying to add the the blocking queue in any of the
> schedulers.
> This causes readers to block, tcp acks are delayed, and everything slows down.
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