[jira] [Commented] (HELIX-637) StateModelDefinition is not updated when it changed

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HELIX-637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15638150#comment-15638150 ] 

ASF GitHub Bot commented on HELIX-637:
--------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/helix/pull/57


> StateModelDefinition is not updated when it changed
> ---------------------------------------------------
>
>                 Key: HELIX-637
>                 URL: https://issues.apache.org/jira/browse/HELIX-637
>             Project: Apache Helix
>          Issue Type: Bug
>          Components: helix-core
>    Affects Versions: 0.6.4
>            Reporter: Junkai Xue
>            Assignee: Junkai Xue
>             Fix For: 0.6.x
>
>
> Currently, if StateModelDefinition already exists in the Znode, even it has already been changed, Helix will not populate the latest version.
> It is because in the StateModelDefinition write into ZK function, it only does create operation instead of update.
> Fix: 1. Check whether there already exists StateModelDefition.
>        2. Compare if it is different or not. 



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