Chukwa instrumentation slows down JobTracker operations
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Key: CHUKWA-192
URL: https://issues.apache.org/jira/browse/CHUKWA-192
Project: Hadoop Chukwa
Issue Type: Bug
Reporter: Mac Yang
The current JobTracker instrumentation class holds a lock on JobTracker while
it waits for the JobHistory lock and this causes slow down of JobTracker
operations.
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