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https://issues.apache.org/jira/browse/HBASE-15222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15168102#comment-15168102
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Hudson commented on HBASE-15222:
--------------------------------
SUCCESS: Integrated in HBase-1.3-IT #518 (See
[https://builds.apache.org/job/HBase-1.3-IT/518/])
HBASE-15222 Addendum - Use less contended classes for metrics (eclark: rev
7c290e922a58f0e4d889b3e323152322152722a1)
*
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/metrics2/lib/MutableHistogram.java
*
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/metrics2/lib/MutableRangeHistogram.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/util/FastLongHistogram.java
> Use less contended classes for metrics
> --------------------------------------
>
> Key: HBASE-15222
> URL: https://issues.apache.org/jira/browse/HBASE-15222
> Project: HBase
> Issue Type: Bug
> Components: metrics
> Affects Versions: 2.0.0, 1.2.0, 1.3.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Critical
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-15222-ADD-0.patch, HBASE-15222-v1.patch,
> HBASE-15222-v10.patch, HBASE-15222-v11.patch, HBASE-15222-v12.patch,
> HBASE-15222-v13.patch, HBASE-15222-v2.patch, HBASE-15222-v3.patch,
> HBASE-15222-v5.patch, HBASE-15222-v6.patch, HBASE-15222-v8.patch,
> HBASE-15222-v9.patch, HBASE-15222.patch
>
>
> Running the benchmarks now, but it looks like the results are pretty extreme.
> The locking in our histograms is pretty extreme.
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