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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4664) RollingFileSystemSink should eagerly rotate directories
Date Tue, 02 Feb 2016 14:20:39 GMT
Daniel Templeton created YARN-4664:

             Summary: RollingFileSystemSink should eagerly rotate directories
                 Key: YARN-4664
                 URL: https://issues.apache.org/jira/browse/YARN-4664
             Project: Hadoop YARN
          Issue Type: Improvement
    Affects Versions: 2.8.0
            Reporter: Daniel Templeton
            Assignee: Daniel Templeton
            Priority: Critical

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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