GitHub user jacques-n opened a pull request:
https://github.com/apache/drill/pull/229
Drill-3242: Offload RPC threads
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jacques-n/drill DRILL-3242v2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/229.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 #229
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commit 839f8dac2e2d0479a1552701a5274ebe8416fea6
Author: Chris Westin <cwes...@yahoo.com>
Date: 2015-05-22T21:17:41Z
SerializedExecutor sketch for consideration.
Based on the EventProcessor, but recast as an Executor that accepts
Runnables.
The idea would be to use this on RPC reception points to immediately hand
off
work. Each Fragment would have a SerializedExecutor associated with it,
serving
as a queue to deliver events to when the RPC thread receives them.
commit e7db9dcacbc39c4797de1aa29b119a7428451dea
Author: Jacques Nadeau <jacq...@apache.org>
Date: 2015-05-25T05:01:49Z
DRILL-3242: Update RPC layer so that requests and response are managed on a
secondary thread.
- Create a separate serialized executor for fragment receiverFinished
events.
- Update serialized executor to pool object creation.
- Ensure that FragmentExecutor acceptExternalEvents countdown occurs when
only execution is cancellation.
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