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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4809) Per-CF set RPC metrics
Date Tue, 22 Nov 2011 06:26:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13154905#comment-13154905

Hudson commented on HBASE-4809:

Integrated in HBase-TRUNK #2472 (See [https://builds.apache.org/job/HBase-TRUNK/2472/])
    [jira] [HBASE-4809] Per-CF set RPC metrics

Summary: Porting RPC metrics incremented for each column family set touched by a
request from 0.89-fb.

Test Plan:
Unit tests, 5-node cluster. Observe metrics through JMX.
The current version of patch compiles but no testing done yet.

Reviewers: nspiegelberg, JIRA, Kannan, Karthik

Reviewed By: nspiegelberg

CC: nspiegelberg, mbautin

Differential Revision: 483

nspiegelberg : 
Files : 
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/SchemaMetrics.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/io/TestHeapSize.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestMemStore.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreScanner.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/metrics/TestSchemaConfigured.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/metrics/TestSchemaMetrics.java

> Per-CF set RPC metrics
> ----------------------
>                 Key: HBASE-4809
>                 URL: https://issues.apache.org/jira/browse/HBASE-4809
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>            Priority: Minor
>             Fix For: 0.94.0
>         Attachments: D483.1.patch, D483.2.patch, D483.3.patch, D483.4.patch, D483.5.patch,
HBASE-4809.patch, HBASE-4809_Per_CF_set_RPC_metrics.patch
> Porting per-CF set metrics for RPC times and response sizes from 0.89-fb to trunk. For
each "mutation signature" (a set of column families involved in an RPC request) we increment
several metrics, allowing to monitor access patterns.  We deal with guarding against an explosion
of the number of metrics in HBASE-4638 (which might even be implemented as part of this JIRA).

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