[jira] [Commented] (SAMZA-1368) make sure that a new job model will be generated if zk barrier times out.

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

    [ https://issues.apache.org/jira/browse/SAMZA-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16095338#comment-16095338 ] 

ASF GitHub Bot commented on SAMZA-1368:
---------------------------------------

GitHub user sborya opened a pull request:

    https://github.com/apache/samza/pull/247

    SAMZA-1368: make sure new job model will be generated in case of barrier timeout.

    

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

    $ git pull https://github.com/sborya/samza onBarrierTimeout1

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

    https://github.com/apache/samza/pull/247.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 #247
    
----
commit 8dc9e342179c788ac30eb3b3cae8fba5a6ad4184
Author: Boris Shkolnik <bo...@apache.org>
Date:   2017-07-20T20:37:02Z

    make sure new job model will be generated in case of barrier timeout

----


> make sure that a new job model will be generated if zk barrier times out.
> -------------------------------------------------------------------------
>
>                 Key: SAMZA-1368
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1368
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>
> When barrier times out, participants do nothing. We rely on fact that the timeout happened because of a participant leaving. But if it timed out for any other reason, we may end up in a stuck state. 
> So to cover this unknown we will add an explicit call to doOnProcessorChange for the leader.



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