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Hudson commented on HBASE-16648:
FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #2053 (See
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Hadoop QA commented on HBASE-16648:
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Hadoop QA commented on HBASE-16648:
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Hadoop QA commented on HBASE-16648:
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Duo Zhang commented on HBASE-16648:
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OK, I found the problem...
The map will not be empty every time
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Duo Zhang commented on HBASE-16648:
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Seems the critical operation is the get before putIfAbsent, we do
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Hiroshi Ikeda commented on HBASE-16648:
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That result seems natural. The atomicity of
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Duo Zhang commented on HBASE-16648:
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I'm not Doug Lee so it is hard to tell what exactly happens here.
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Duo Zhang commented on HBASE-16648:
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Rewrite the JMH test and run it again.
{noformat}
./bin/run.sh -f
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Duo Zhang commented on HBASE-16648:
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Maybe I should use a new CHM instance for each iteration?
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Hiroshi Ikeda commented on HBASE-16648:
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I'm not sure about JMH, but I suspect that the classes are
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Duo Zhang commented on HBASE-16648:
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Duo Zhang commented on HBASE-16648:
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Write a simple JMH test, it shows that the default implementation
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Hiroshi Ikeda commented on HBASE-16648:
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My bad, I didn't realized that the default implementation
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Hadoop QA commented on HBASE-16648:
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Duo Zhang commented on HBASE-16648:
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Lock does not reduce performance, the problem is contention. And I
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Hiroshi Ikeda commented on HBASE-16648:
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I read just halfway the patch, but behaviors of
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Duo Zhang commented on HBASE-16648:
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[~enis] This is also a benefit from JDK8 where we could use
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Hadoop QA commented on HBASE-16648:
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Duo Zhang commented on HBASE-16648:
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The behavior of reportServerError method in
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Hadoop QA commented on HBASE-16648:
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