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https://issues.apache.org/jira/browse/DRILL-4069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15127041#comment-15127041
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ASF GitHub Bot commented on DRILL-4069:
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GitHub user sudheeshkatkam opened a pull request:
https://github.com/apache/drill/pull/352
DRILL-4069: Enable RPC thread offload by default
https://github.com/apache/drill/commit/43414e1e2731c85a52febaaedebfa2f392dd6d2f
removes the usage of recyclers for RequestEvent and ResponseEvent in the RPC
layer. This change resolves functional regressions mentioned in
[DRILL-4041](https://issues.apache.org/jira/browse/DRILL-4041) and
[DRILL-4057](https://issues.apache.org/jira/browse/DRILL-4057).
Multiple test runs with the same setup mentioned in the tickets did not
show any regressions.
@jacques-n can you please review?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sudheeshkatkam/drill DRILL-4069
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/352.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #352
----
commit f2d42074d64d2146eb15bee2374edf78864f832e
Author: Sudheesh Katkam <[email protected]>
Date: 2016-01-22T21:12:50Z
DRILL-4069: Enable RPC thread offload by default
----
> Enable RPC Thread Offload by default
> ------------------------------------
>
> Key: DRILL-4069
> URL: https://issues.apache.org/jira/browse/DRILL-4069
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - RPC
> Reporter: Jacques Nadeau
>
> Once we enabled RPC thread offload, we saw concurrency regressions DRILL-4041
> and DRILL-4057. The regressions appear to be unrelated to, but exposed by the
> thread offload. To simplify things, we disabled the RPC thread offload by
> default. This is the tracking issue to fix the underlying concurrency bug(s).
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