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https://issues.apache.org/jira/browse/HBASE-12133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14157194#comment-14157194
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Hudson commented on HBASE-12133:
--------------------------------
FAILURE: Integrated in HBase-TRUNK #5609 (See
[https://builds.apache.org/job/HBase-TRUNK/5609/])
HBASE-12133 Add FastLongHistogram for metric computation; ADDENDUM TO FIX BROKE
COMPILE (stack: rev 2bc28ebb0364b22fdbd0bfb1ee7770213c838b81)
*
hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestFastLongHistogram.java
> Add FastLongHistogram for metric computation
> --------------------------------------------
>
> Key: HBASE-12133
> URL: https://issues.apache.org/jira/browse/HBASE-12133
> Project: HBase
> Issue Type: New Feature
> Components: metrics
> Affects Versions: 0.98.8
> Reporter: Yi Deng
> Assignee: Yi Deng
> Priority: Minor
> Labels: histogram, metrics
> Fix For: 2.0.0, 0.99.1
>
> Attachments:
> 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch,
> 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch,
> 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch,
> 12133.addendum.txt
>
>
> FastLongHistogram is a thread-safe class that estimate distribution of data
> and computes the quantiles. It's useful for computing aggregated metrics like
> P99/P95.
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