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https://issues.apache.org/jira/browse/HDFS-9800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-9800:
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Assignee: (was: Arpit Agarwal)
> Add option to send BlockStateChange logs to alternate async appender
> --------------------------------------------------------------------
>
> Key: HDFS-9800
> URL: https://issues.apache.org/jira/browse/HDFS-9800
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.8.0
> Reporter: Arpit Agarwal
>
> BlockStateChange logs are usually suppressed in production to avoid the
> performance impact. It is often useful to enable them for troubleshooting but
> the verbosity of the logs slows down the NameNode.
> It would be good to have an option to send BlockStateChange logs to an
> alternate async appender to limit the performance impact. There would be no
> change to the default behavior.
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