[jira] Updated: (HDFS-708) A stress-test tool for HDFS.

["Joshua Harlow (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Harlow updated HDFS-708:
-------------------------------

    Attachment: slive.patch

Updated with in file "header" like information so that when a file is renamed the "header" information can still be used to do basic data verification. Tried this out and it seems to work. Also updated so that file not found exceptions are reported different and added a bad file exception which signifies a data read failure (ie a header can not be read or is invalid) or an end of file happend when it should not.

> 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
>            Assignee: Joshua Harlow
>             Fix For: 0.22.0
>
>         Attachments: slive.patch, 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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