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https://issues.apache.org/jira/browse/HBASE-15222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15154668#comment-15154668
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Elliott Clark commented on HBASE-15222:
---------------------------------------
I pushed a new benchmark for Counter/AtomicLong/LongAdder. After seeing the
results I started using Counter more.
I also pushed a new benchmark for FastLongHistogram to see if it's good enough
for our purposes.
> 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-v1.patch, HBASE-15222-v2.patch,
> HBASE-15222-v3.patch, HBASE-15222-v5.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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