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https://issues.apache.org/jira/browse/SAMZA-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120466#comment-16120466
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ASF GitHub Bot commented on SAMZA-1372:
---------------------------------------

GitHub user PawasChhokra opened a pull request:

    https://github.com/apache/samza/pull/264

    SAMZA-1372: Change Latch Interface to Lock Interface for Samza Standalone 
with ZK

    

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

    $ git pull https://github.com/PawasChhokra/samza ZkLock

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

    https://github.com/apache/samza/pull/264.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 #264
    
----
commit f1881b1e65d1ffb67c9d669192c6e0d5fe90a079
Author: PawasChhokra <pawas2...@gmail.com>
Date:   2017-08-08T17:33:26Z

    Add lock

commit eddeb45addfef458e8b7875b4d8703191c2a74c5
Author: PawasChhokra <pawas2...@gmail.com>
Date:   2017-08-09T18:54:08Z

    Add create streams with lock

----


> Change Latch Interface to Lock Interface for Samza Standalone with ZK
> ---------------------------------------------------------------------
>
>                 Key: SAMZA-1372
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1372
>             Project: Samza
>          Issue Type: Improvement
>            Reporter: Pawas Chhokra
>            Assignee: Pawas Chhokra
>
> The current implementation of 'creating intermediate streams' depends on 
> leader election, followed by the leader creating the intermediate streams. We 
> have removed this dependency on leader election and changed the Latch 
> interface to a generic Lock interface. Following this, any processor that 
> acquires the lock can create the intermediate streams, irrespective of 
> whether it is the leader or not. It releases the lock after successful 
> creation of the streams.  



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