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From "Joshua Harlow (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-708) A stress-test tool for HDFS.
Date Thu, 01 Apr 2010 19:37:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852520#action_12852520
] 

Joshua Harlow commented on HDFS-708:
------------------------------------

Konstantin>

1. Giving the stress test that is running the set of jobs the ability to control its own data
creation might be useful to allow for a simpler runtime as well as a simpler procedure for
running (u don't need to remember the steps). It could also allow the different "jobs" that
will be ran to specify to some "data" creation entity the type of data they would like for
the current stress test, instead of having to link these two steps via a previous job.

> A stress-test tool for HDFS.
> ----------------------------
>
>                 Key: HDFS-708
>                 URL: https://issues.apache.org/jira/browse/HDFS-708
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: test, tools
>    Affects Versions: 0.22.0
>            Reporter: Konstantin Shvachko
>             Fix For: 0.22.0
>
>         Attachments: SLiveTest.pdf
>
>
> It would be good to have a tool for automatic stress testing HDFS, which would provide
IO-intensive load on HDFS cluster.
> The idea is to start the tool, let it run overnight, and then be able to analyze possible
failures.

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