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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1566) Test that covers full partition
Date Sat, 22 Jan 2011 08:34:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12985079#action_12985079
] 

Todd Lipcon commented on HDFS-1566:
-----------------------------------

I don't think so - the logs just ended abruptly. Assumedly nothing could be appended to the
log because the disk was completely out of space. You can probably repro pretty easily with
a loopback mount - just make sure the logs and the data volume are both on this volume when
it fills up.

> Test that covers full partition  
> ---------------------------------
>
>                 Key: HDFS-1566
>                 URL: https://issues.apache.org/jira/browse/HDFS-1566
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: name-node
>    Affects Versions: 0.20.2
>            Reporter: Eli Collins
>            Assignee: Konstantin Boudnik
>             Fix For: 0.23.0
>
>
> We've seen the following bug, hdfs needs a test to reproduce this:
> * /var filled up
> * 2NN failed checkpoint due to no space left on device
> * NN log hit end of disk
> * NN seems to have exited on the spot, mid-log-message
> * NN edits are left corrupted
> ** Half of a rename made it into the log
> ** valid data appears to end on a sector boundary
> ** this is true across all of the edit dirs

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