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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1732) Enhance NNThroughputBenchmark to observe scale-dependent changes in IBR processing
Date Tue, 24 Feb 2015 22:39:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HDFS-1732:
-----------------------------------
    Fix Version/s:     (was: 0.24.0)

> 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: Sub-task
>          Components: namenode
>    Affects Versions: 0.22.0
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>         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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