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https://issues.apache.org/jira/browse/HBASE-5533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288799#comment-13288799
]
Hudson commented on HBASE-5533:
-------------------------------
Integrated in HBase-0.92 #444 (See
[https://builds.apache.org/job/HBase-0.92/444/])
HBASE-6131 Add attribution for code added by HBASE-5533 metrics (Revision
1346033)
Result = FAILURE
stack :
Files :
* /hbase/branches/0.92/pom.xml
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/metrics/histogram/ExponentiallyDecayingSample.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/metrics/histogram/MetricsHistogram.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/metrics/histogram/Sample.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/metrics/histogram/Snapshot.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/metrics/histogram/UniformSample.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/metrics/TestExponentiallyDecayingSample.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/metrics/TestMetricsHistogram.java
> Add more metrics to HBase
> -------------------------
>
> Key: HBASE-5533
> URL: https://issues.apache.org/jira/browse/HBASE-5533
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.92.2, 0.94.0
> Reporter: Shaneal Manek
> Assignee: Shaneal Manek
> Priority: Minor
> Fix For: 0.92.2, 0.94.0, 0.96.0
>
> Attachments: BlockingQueueContention.java, HBASE-5533-0.92-v4.patch,
> HBASE-5533-TRUNK-v6.patch, HBASE-5533-TRUNK-v6.patch,
> HBASE-5533-v7-0.92.patch, TimingOverhead.java, hbase-5533-0.92.patch,
> hbase5533-0.92-v2.patch, hbase5533-0.92-v3.patch, hbase5533-0.92-v5.patch,
> histogram_web_ui.png
>
>
> To debug/monitor production clusters, there are some more metrics I wish I
> had available.
> In particular:
> - Although the average FS latencies are useful, a 'histogram' of recent
> latencies (90% of reads completed in under 100ms, 99% in under 200ms, etc)
> would be more useful
> - Similar histograms of latencies on common operations (GET, PUT, DELETE)
> would be useful
> - Counting the number of accesses to each region to detect hotspotting
> - Exposing the current number of HLog files
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