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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1246) Manual tool to test sync against a real cluster
Date Fri, 18 Jun 2010 01:18:24 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-1246:
------------------------------

    Attachment: hdfs-1246.txt

Attaching patch for branch-0.20-append. It's a bit messy code, not sure if we actually want
to commit as is, but figured others may find it useful to see.

This could be made into a unit test, but I was afraid of orphaning processes, etc, so it only
runs manually against a real cluster right now.

> Manual tool to test sync against a real cluster
> -----------------------------------------------
>
>                 Key: HDFS-1246
>                 URL: https://issues.apache.org/jira/browse/HDFS-1246
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.20-append
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: 0.20-append
>
>         Attachments: hdfs-1246.txt
>
>
> Contributing a tool I've built that writes data against a real cluster, calling sync
as fast as it can, and then kill -9s the writer and verifies the data can be recovered.

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