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https://issues.apache.org/jira/browse/HELIX-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16537428#comment-16537428
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ASF GitHub Bot commented on HELIX-709:
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GitHub user zhan849 opened a pull request:
https://github.com/apache/helix/pull/214
[HELIX-709] Move external view calculation to async stage and re-organize
pipeline
- Separated controller pipeline to execute external view compute async and
as early as possible
- renamed AbstractAsyncBaseStage
- fixed NPE in callback handler
- all tests passed
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhan849/helix harry/async-ev
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/helix/pull/214.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 #214
----
commit 542fbc840a167986a40bd57f3c5660d294acb63c
Author: Harry Zhang <hrzhang@...>
Date: 2018-07-09T19:16:56Z
[HELIX-709] Move external view calculation to async stage and re-organize
pipeline
----
> Prepare controller stages for async execution
> ---------------------------------------------
>
> Key: HELIX-709
> URL: https://issues.apache.org/jira/browse/HELIX-709
> Project: Apache Helix
> Issue Type: Task
> Reporter: Hao Zhang
> Priority: Major
>
> There are a couple of stages in helix controller that can be executed
> asynchronously, but each execution should be done in order. Currently for
> helix controller, we have a thread pool for un-ordered execution, but we also
> need one for ordered execution.
> In this ticket should do the following:
> 1. Create a pool of configurable workers using DedupEventProcessor
> 2. Create AbstractAsyncBaseStage for those stages that can be executed
> asynchronously to share common code
> AC:
> Create AbstractAsyncBaseStage and DedupFIFOWorkerPool for async execution,
> pass all tests.
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