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https://issues.apache.org/jira/browse/HBASE-14082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14791802#comment-14791802
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Hudson commented on HBASE-14082:
--------------------------------
SUCCESS: Integrated in HBase-1.3-IT #164 (See
[https://builds.apache.org/job/HBase-1.3-IT/164/])
HBASE-14082 Add replica id to JMX metrics names (Lei Chen) (enis: rev
bb4a690b79a2485d24aa84b9635b7fea0ff6b0d4)
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperStub.java
*
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
*
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSource.java
*
hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java
*
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegion.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperImpl.java
> Add replica id to JMX metrics names
> -----------------------------------
>
> Key: HBASE-14082
> URL: https://issues.apache.org/jira/browse/HBASE-14082
> Project: HBase
> Issue Type: Improvement
> Components: metrics
> Reporter: Lei Chen
> Assignee: Lei Chen
> Fix For: 2.0.0, 1.2.0, 1.3.0
>
> Attachments: 14082-v6.patch, HBASE-14082-v1.patch,
> HBASE-14082-v2.patch, HBASE-14082-v3.patch, HBASE-14082-v4.patch,
> HBASE-14082-v5.patch
>
>
> Today, via JMX, one cannot distinguish a primary region from a replica. A
> possible solution is to add replica id to JMX metrics names. The benefits may
> include, for example:
> # Knowing the latency of a read request on a replica region means the first
> attempt to the primary region has timeout.
> # Write requests on replicas are due to the replication process, while the
> ones on primary are from clients.
> # In case of looking for hot spots of read operations, replicas should be
> excluded since TIMELINE reads are sent to all replicas.
> To implement, we can change the format of metrics names found at
> {code}Hadoop->HBase->RegionServer->Regions->Attributes{code}
> from
> {code}namespace_<namespace>_table_<tablename>_region_<regionname>_metric_<metricname>{code}
> to
> {code}namespace_<namespace>_table_<tablename>_region_<regionname>_replicaid_<replicaid>_metric_<metricname>{code}
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