Nick Dimiduk created HDFS-14981:
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Summary: BlockStateChange logging is exceedingly verbose
Key: HDFS-14981
URL: https://issues.apache.org/jira/browse/HDFS-14981
Project: Hadoop HDFS
Issue Type: Bug
Components: logging
Reporter: Nick Dimiduk
On a moderately loaded cluster, name node logs are flooded with entries of
{{INFO BlockStateChange...}}, to the tune of ~30 lines per millisecond. This
provides operators with little to no usable information. I suggest reducing
this log message to {{DEBUG}}. Perhaps this information (and other logging
related to it) should be directed to a dedicated block-audit.log file that can
be queried, rotated on a separate schedule from the log of the main process.
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