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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXMALHAR-2422) WindowDataManager not recovering as expected on HDFS
Date Wed, 08 Mar 2017 03:12:38 GMT

    [ https://issues.apache.org/jira/browse/APEXMALHAR-2422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15900616#comment-15900616
] 

ASF GitHub Bot commented on APEXMALHAR-2422:
--------------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/apex-malhar/pull/560


> WindowDataManager not recovering as expected on HDFS
> ----------------------------------------------------
>
>                 Key: APEXMALHAR-2422
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2422
>             Project: Apache Apex Malhar
>          Issue Type: Bug
>    Affects Versions: 3.5.0, 3.6.0, 3.7.0
>            Reporter: Sandesh
>            Assignee: Sandesh
>
> In WindowDataManager getLargestWindow during recovery is not reflecting the saved window
before operator crash.
> This affects many of the operators, one example is KafkaExactlyOnceOutputOperator, https://issues.apache.org/jira/browse/APEXMALHAR-2419
> Note: 
> WindowDataManager works as expected on a local machine(local filesystem), but not on
HDFS.
> Testing for the fix
> 1. Updated the unit test to use Hadoop filesystem APIs and ran them on HDFS
> 2. Wrote a simple application to test the behavior of Window Data Manager on the cluster



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