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https://issues.apache.org/jira/browse/STORM-1176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15119982#comment-15119982
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ASF GitHub Bot commented on STORM-1176:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/storm/pull/963


> Checkpoint window evaluated state and use this to prune duplicate evaluations
> -----------------------------------------------------------------------------
>
>                 Key: STORM-1176
>                 URL: https://issues.apache.org/jira/browse/STORM-1176
>             Project: Apache Storm
>          Issue Type: Sub-task
>            Reporter: Arun Mahadevan
>            Assignee: Arun Mahadevan
>
> Evaluated state of sliding/tumbling windows should be checkpointed 
> periodically and on event replay during restart this info should be used to 
> prune duplicate evaluations.



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