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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3577) Tools to inject blocks into name node and simulated data nodes for testing
Date Tue, 24 Jun 2008 12:26:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12607598#action_12607598
] 

Hudson commented on HADOOP-3577:
--------------------------------

Integrated in Hadoop-trunk #528 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/528/])

> Tools to inject blocks into name node and simulated data nodes for testing
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-3577
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3577
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>            Priority: Minor
>             Fix For: 0.19.0
>
>         Attachments: inject.patch, inject2.patch, inject3.patch
>
>
> This jira adds the following 2 features to src/test
> 1) it extends DataNodeCluster to allow blocks to be injected for simulted data nodes.
> 2) a new command, CreatedEditsLog which creates an NN image edits logs that has a transactions
for new files. The edits log file can be copied to the NN's image.
> Using the two in conjunction one can inject a set of blocks in a NN and in a set of Datanodes
and use it for testing, for example a cluster of 3K DNs

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