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Posted to dev@apex.apache.org by "Priyanka Gugale (JIRA)" <ji...@apache.org> on 2016/10/18 05:25:58 UTC
[jira] [Commented] (APEXMALHAR-2272) sequentialFileRead property on
FSInputModule not functioning as expected
[ https://issues.apache.org/jira/browse/APEXMALHAR-2272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15584507#comment-15584507 ]
Priyanka Gugale commented on APEXMALHAR-2272:
---------------------------------------------
done.
> sequentialFileRead property on FSInputModule not functioning as expected
> ------------------------------------------------------------------------
>
> Key: APEXMALHAR-2272
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2272
> Project: Apache Apex Malhar
> Issue Type: Bug
> Reporter: Yogi Devendra
> Assignee: Yogi Devendra
> Priority: Minor
> Fix For: 3.6.0
>
>
> When there is single large file in the input directory, and we have multiple partitions for BlockReader and sequencialFileRead is set to true.
> Only one BlockReader instance should be active; other BlockReader instances should remain idle.
> This is because sequencialFileRead makes sure that blocks of the file are read serially by same BlockReader instance.
> Observed behavior is all BlockReader instances are reading data which means sequencialFileRead property is not functioning as expected.
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