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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXCORE-222) Delegate Buffer Server purge to StreamingContainer
Date Thu, 23 Jun 2016 21:35:16 GMT

    [ https://issues.apache.org/jira/browse/APEXCORE-222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15347248#comment-15347248
] 

ASF GitHub Bot commented on APEXCORE-222:
-----------------------------------------

Github user vrozov commented on a diff in the pull request:

    https://github.com/apache/apex-core/pull/350#discussion_r68319480
  
    --- Diff: engine/src/main/java/com/datatorrent/stram/StramLocalCluster.java ---
    @@ -72,7 +72,7 @@
       protected final StreamingContainerManager dnmgr;
       private final UmbilicalProtocolLocalImpl umbilical;
       private InetSocketAddress bufferServerAddress;
    -  private boolean perContainerBufferServer;
    +  private boolean perContainerBufferServer = true;
    --- End diff --
    
    Why is it necessary to change the default value for perContainerBufferServer?


> Delegate Buffer Server purge to StreamingContainer
> --------------------------------------------------
>
>                 Key: APEXCORE-222
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-222
>             Project: Apache Apex Core
>          Issue Type: Improvement
>            Reporter: Thomas Weise
>            Assignee: Sandesh
>
> Currently the purge requests are sent to the buffer servers from the app master. This
interaction exists parallel to the heartbeat protocol. Instead, the committed window ID that
is propagated through the heartbeat response can be used in StreamingContainer to initiate
the purge with the local buffer server, similar to how the committed callback on the operator
occurs.



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