Daniel Templeton created YARN-4664:
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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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