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From "Patrick Hunt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1954) Improve corrupt files warning message
Date Tue, 31 May 2011 20:04:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041793#comment-13041793
] 

Patrick Hunt commented on HDFS-1954:
------------------------------------

Hi Suresh, the jira creator's original request was that when this problem happened, the error
message shown to them was more actionable. Esp for newbies given ppl using hadoop for a while
probably know what to do, or at least know where to look.

My reason for linking to the FAQ would be that we can not only tell them there's a problem,
but provide a way for them to quickly/easily/directed/etc... get to possible problems/solutions.


> Improve corrupt files warning message
> -------------------------------------
>
>                 Key: HDFS-1954
>                 URL: https://issues.apache.org/jira/browse/HDFS-1954
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: philo vivero
>            Assignee: Patrick Hunt
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1954.patch, HDFS-1954.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> On NameNode web interface, you may get this warning:
>   WARNING : There are about 32 missing blocks. Please check the log or run fsck.
> If the cluster was started less than 14 days before, it would be great to add: "Is dfs.data.dir
defined?"
> If at the point of that error message, that parameter could be checked, and error made
"OMG dfs.data.dir isn't defined!" that'd be even better. As is, troubleshooting undefined
parameters is a difficult proposition.
> I suspect this is an easy fix.

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