Arpit Agarwal created HDFS-9800:
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Summary: 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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