Improve performance of audit log
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Key: HDFS-1571
URL: https://issues.apache.org/jira/browse/HDFS-1571
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Dmytro Molkov
We currently use java Formatter for audit log formatting. I've done some
experiments with it versus simply creating a string of the same format using
StringBuilder and apparently if we were to use StringBuilder we can make audit
log function 5-10x faster.
Since it is a useful feature and the namenode under heavy load logs a lot this
performance improvement is worth it.
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