[ https://issues.apache.org/jira/browse/HADOOP-1898?page=co
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Amareshwari Sri Ramadasu updated HADOOP-1898:
---------------------------------------------
Status: Open (was: Patch Available)
> locking for the ReflectionUtils.logThreadInfo is too
conservative
>
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-----
>
> Key: HADOOP-1898
> URL: htt
ps://issues.apache.org/jira/browse/HADOOP-1898
> Project: Hadoop
> Issue Type: Bug
> Components: util
> Affects Versions: 0.15.0
> Reporter: Owen O'Malley
> Assignee: Amareshwari Sri Ramadasu
> Fix For: 0.16.0
>
> Attachments: patch-1898.txt, patch-1898.txt,
patch-1898.txt, patch-1898.txt
>
>
> When the RPC servers get into trouble with their call
queues backing up, they occasionally dump the call stacks.
These are very useful for identifying hot spots, but the
locking is too conservative and so all of the handlers are
blocked while the thread call stacks are dumped.
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