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https://issues.apache.org/jira/browse/HELIX-706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16526787#comment-16526787
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ASF GitHub Bot commented on HELIX-706:
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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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