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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HELIX-669) Support state transition cancellation
Date Tue, 03 Oct 2017 20:58:00 GMT

    [ https://issues.apache.org/jira/browse/HELIX-669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16190339#comment-16190339
] 

ASF GitHub Bot commented on HELIX-669:
--------------------------------------

GitHub user dasahcc opened a pull request:

    https://github.com/apache/helix/pull/110

    [HELIX-669] State transition cancellation implementaion

    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.

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

    $ git pull https://github.com/dasahcc/helix master

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

    https://github.com/apache/helix/pull/110.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 #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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