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Posted to issues@hbase.apache.org by "Phabricator (Updated) (JIRA)" <ji...@apache.org> on 2011/11/17 05:54:53 UTC

[jira] [Updated] (HBASE-4809) Per-CF set RPC metrics

     [ https://issues.apache.org/jira/browse/HBASE-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Phabricator updated HBASE-4809:
-------------------------------

    Attachment: D483.1.patch

mbautin requested code review of "[jira] [HBASE-4809] Per-CF set RPC metrics".
Reviewers: nspiegelberg, JIRA, Kannan, Karthik

  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.

REVISION DETAIL
  https://reviews.facebook.net/D483

AFFECTED FILES
  src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
  src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
  src/main/java/org/apache/hadoop/hbase/regionserver/metrics/SchemaMetrics.java
  src/test/java/org/apache/hadoop/hbase/regionserver/metrics/TestSchemaMetrics.java

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> 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
>            Priority: Minor
>         Attachments: D483.1.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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