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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1032) Extend DFSck with an option to list corrupt files using API from HDFS-729
Date Mon, 15 Mar 2010 04:57:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12845182#action_12845182
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dhruba borthakur commented on HDFS-1032:
----------------------------------------

Since the namenode API does not list all corupted files: instead of saying out.println("Corrupted
files:"); how about something like this:

out.println("Here are a few files that may be corrupted:");

Similarly, instead of out.println("There is no corrupted files in the filesystem under path
'" + path + "' ");
out.println("There are no corrupted files under " + path)

Also, if a user specifies -corruptedfiles along with -files -blocks -locations, then it should
generate an error. The -corruptedfiles option cannot be combined with any other option.

> Extend DFSck with an option to list corrupt files using API from HDFS-729
> -------------------------------------------------------------------------
>
>                 Key: HDFS-1032
>                 URL: https://issues.apache.org/jira/browse/HDFS-1032
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: tools
>            Reporter: Rodrigo Schmidt
>         Attachments: hdfs-1032_aoriani.patch
>
>
> HDFS-729 created a new API to namenode that returns the list of corrupt files.
> We can now extend fsck (DFSck.java) to add an option (e.g. --list_corrupt) that queries
the namenode using the new API and lists the corrupt blocks to the users.

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