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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HELIX-709) Prepare controller stages for async execution
Date Thu, 28 Jun 2018 21:29:00 GMT

    [ https://issues.apache.org/jira/browse/HELIX-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16526801#comment-16526801

ASF GitHub Bot commented on HELIX-709:

GitHub user zhan849 opened a pull request:


    [HELIX-709] Prepare controller stages for async execution

    - Implemented AbstractAsyncBaseStage
    - Refactored TEVCalcState and PersistAssignmentStage to use AbstractAsyncBaseStage

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zhan849/helix harry/aabs

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #208
commit 9080c64429d724aa959207411ca06d690f5ee840
Author: Harry Zhang <hrzhang@...>
Date:   2018-06-28T21:25:21Z

    [HELIX-709] Prepare controller stages for async execution


> 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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