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https://issues.apache.org/jira/browse/HBASE-4989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167898#comment-13167898
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Hudson commented on HBASE-4989:
-------------------------------
Integrated in HBase-TRUNK #2540 (See
[https://builds.apache.org/job/HBase-TRUNK/2540/])
HBASE-4989 Metrics to measure sequential reads and random reads separately
stack :
Files :
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/io/hfile/HFile.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV1.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV2.java
*
/hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
> Metrics to measure sequential reads and random reads separately
> ---------------------------------------------------------------
>
> Key: HBASE-4989
> URL: https://issues.apache.org/jira/browse/HBASE-4989
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Priority: Minor
> Fix For: 0.94.0
>
> Attachments: metrics1.txt
>
>
> HBase does sequential reads for compactions and positional random reads for
> satisfying user's queries. It would be nice if we can measure their latencies
> separately. It is mostly the random reads that dominate a transactional
> workload.
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