Kihwal Lee created HDFS-4714:
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Summary: Support logging short messages in Namenode IPC server for
configurable list of exception classes.
Key: HDFS-4714
URL: https://issues.apache.org/jira/browse/HDFS-4714
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 3.0.0, 0.23.7, 2.0.5-beta
Reporter: Kihwal Lee
Namenode can slow down significantly if a rogue client/job issues massive
number of requests that will fail. E.g. permission denied, quota overage, etc.
The major contributing factor in slow down is the long namenode log message,
which includes full stack trace.
Previously similar issues involving safe mode and standby node have been
addressed and we can extend it to suppress logging stack traces for configured
list of exception classes.
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