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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HELIX-706) ExternalViewGeneration should be executed asynchronously in Helix controller
Date Thu, 28 Jun 2018 21:20:00 GMT

    [ https://issues.apache.org/jira/browse/HELIX-706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16526787#comment-16526787
] 

ASF GitHub Bot commented on HELIX-706:
--------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/helix/pull/206


> ExternalViewGeneration should be executed asynchronously in Helix controller
> ----------------------------------------------------------------------------
>
>                 Key: HELIX-706
>                 URL: https://issues.apache.org/jira/browse/HELIX-706
>             Project: Apache Helix
>          Issue Type: Task
>            Reporter: Hao Zhang
>            Priority: Major
>
> EV generation should not block helix resource rebalance. According to our profiling results,
external view generation takes ~ 1/5 of the pipeline latency.
> The goal is to generate external view asynchronously, and hopefully we can have 20% improvement
in rebalance pipeline



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