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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4361) Fix detailed metrics for protobuf-based RPC on 0.23
Date Fri, 22 Jun 2012 20:21:43 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jason Lowe updated MAPREDUCE-4361:

    Attachment: MAPREDUCE-4361.patch

Patch that ports the relevant portions of HADOOP-8085 to branch-0.23.  I manually tested this
by bringing up a single-node cluster and visiting the ResourceManager JMX page.  The detailed
metrics for YARN interfaces like {{NodeHeartbeatNumOps}} were non-zero, whereas they were
zero before applying this patch.

I also manually ran the unit tests in yarn-common, and they all passed.
> Fix detailed metrics for protobuf-based RPC on 0.23
> ---------------------------------------------------
>                 Key: MAPREDUCE-4361
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4361
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-4361.patch
> RPC detailed metrics for any protobuf-based RPC ports are always zero.  ProtoOverHadoopRpcEngine
needs the same detailed metric logic as in WritableRpcEngine.  This is effectively the same
change as in HADOOP-8085 except tailored for branch-0.23 which didn't take the full protobuf
branch changes that went into branch-2 and trunk.

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