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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1732) Enhance NNThroughputBenchmark to observe scale-dependent changes in IBR processing
Date Mon, 04 Apr 2011 23:33:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015677#comment-13015677
] 

Hadoop QA commented on HDFS-1732:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12475436/IBRBenchmark_apachetrunk_v9.patch
  against trunk revision 1087900.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 16 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    -1 javac.  The applied patch generated 22 javac compiler warnings (more than the trunk's
current 21 warnings).

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these core unit tests:
                  org.apache.hadoop.hdfs.TestFileConcurrentReader

    -1 contrib tests.  The patch failed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/313//testReport/
Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/313//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/313//console

This message is automatically generated.

> Enhance NNThroughputBenchmark to observe scale-dependent changes in IBR processing
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-1732
>                 URL: https://issues.apache.org/jira/browse/HDFS-1732
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.22.0
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>             Fix For: 0.23.0
>
>         Attachments: IBRBenchmark_apachetrunk_v8.patch, IBRBenchmark_apachetrunk_v9.patch
>
>
> Rework NNThroughputBenchmark to provide more detailed info about Initial Block Report
(IBR) processing time, as a function of number of nodes, number of unique blocks, and total
number of replicas.  
> Allow both direct local communication and remote and local RPC, so we can see how much
impact RPC overhead has on IBR processing time.
> Also plug some holes in performance-specific logging of Block Report processing, so that
consistent and complete data are logged from both Namenode and Datanode.

--
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