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https://issues.apache.org/jira/browse/HELIX-669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16190399#comment-16190399
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ASF GitHub Bot commented on HELIX-669:
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Github user asfgit closed the pull request at:
https://github.com/apache/helix/pull/110
> Support state transition cancellation
> -------------------------------------
>
> Key: HELIX-669
> URL: https://issues.apache.org/jira/browse/HELIX-669
> Project: Apache Helix
> Issue Type: Improvement
> Components: helix-core
> Reporter: Junkai Xue
> Assignee: Junkai Xue
> Fix For: 0.6.9
>
>
> State transition takes a vital part of Helix managing clusters. There are
> different reasons can cause state transition is not necessary, for example,
> the node of partition running state transition is down. Thus state transition
> cancellation would be a useful feature to have in Helix. It not only helps
> cancel the state transition to avoid invalid state but also benefits for
> reducing redundant state transitions.
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