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ASF GitHub Bot commented on DRILL-4069: --------------------------------------- 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 <skat...@maprtech.com> 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). -- This message was sent by Atlassian JIRA (v6.3.4#6332)