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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-729) fsck option to list only corrupted files
Date Fri, 23 Oct 2009 07:23:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12769124#action_12769124

dhruba borthakur commented on HDFS-729:

There are two existing options to handle corrupted files, one option moves the file to lost+found
and the other option deletes the corrupted file. I would like to add another option "listCorruptedFiles"
that will list the corrupted files if any. An alternative is to  running a "fsck -files" and
then filter the output on the client to display only corrupted files; but on a  cluster with
20 million files, the total amount of data (one for every line of output) to be transferred
to the client is huge and introduces lots of latency.

> fsck option to list only corrupted files
> ----------------------------------------
>                 Key: HDFS-729
>                 URL: https://issues.apache.org/jira/browse/HDFS-729
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
> An option to fsck to list only corrupted files will be very helpful for frequent monitoring.

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