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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12759) RollingFileSystemSink should eagerly rotate directories
Date Sun, 07 Feb 2016 04:51:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15136142#comment-15136142
] 

Andrew Wang commented on HADOOP-12759:
--------------------------------------

LGTM I'll commit shortly

> RollingFileSystemSink should eagerly rotate directories
> -------------------------------------------------------
>
>                 Key: HADOOP-12759
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12759
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.8.0
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>            Priority: Critical
>         Attachments: HADOOP-12759.002.patch, HADOOP-12759.003.patch, YARN-4664.001.patch
>
>
> The RollingFileSystemSink only rolls over to a new directory if a new metrics record
comes in.  The issue is that HDFS does not update the file size until it's closed (HDFS-5478),
and if no new metrics record comes in, then the file size will never be updated.
> This JIRA is to add a background thread to the sink that will eagerly close the file
at the top of the hour.



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