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https://issues.apache.org/jira/browse/HBASE-22045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16794660#comment-16794660
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Hudson commented on HBASE-22045:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-1.3-IT #530 (See
[https://builds.apache.org/job/HBase-1.3-IT/530/])
Revert "HBASE-22045 Mutable range histogram reports incorrect outliers"
(apurtell:
[https://github.com/apache/hbase/commit/2fc27892fac883abba4e041335d8422d79b0a262])
* (edit)
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/metrics2/lib/MutableRangeHistogram.java
> Mutable range histogram reports incorrect outliers
> --------------------------------------------------
>
> Key: HBASE-22045
> URL: https://issues.apache.org/jira/browse/HBASE-22045
> Project: HBase
> Issue Type: Bug
> Affects Versions: 3.0.0, 1.5.0, 1.3.3, 2.0.0, 1.4.9, 2.1.3, 2.2.1
> Reporter: Abhishek Singh Chouhan
> Assignee: Abhishek Singh Chouhan
> Priority: Major
> Fix For: 3.0.0, 1.5.0, 1.4.10, 1.3.4, 2.3.0, 2.1.5, 2.2.1
>
> Attachments: HBASE-22045.master.001.patch
>
>
> MutableRangeHistogram during the snapshot calculates the outliers (eg.
> mutate_TimeRange_600000-inf) and adds the counter with incorrect calculation
> by using the overall count of event and not the number of events in the
> snapshot.
> {code:java}
> long val = histogram.getCount();
> if (val - cumNum > 0) {
> metricsRecordBuilder.addCounter(
> Interns.info(name + "_" + rangeType + "_" + ranges[ranges.length -
> 1] + "-inf", desc),
> val - cumNum);
> }{code}
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