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Date: Wed, 20 Feb 2008 15:39:43 -0800 (PST)
From: "Raghu Angadi (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-2063) Command to pull corrupted files
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    [ https://issues.apache.org/jira/browse/HADOOP-2063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570886#action_12570886 ] 

Raghu Angadi commented on HADOOP-2063:
--------------------------------------

> I think it might not be useful to sent it to stdout
hmm.. it is just file data right? 

> The checksum feature is not available for some other FileSystem. So I am not sure whether we should make it as a FileSystem property. I will think about this.

Though this is not available in other filesystems, it is used by the generic FsShell layer as an argument to generic command. In that sense the flag might belong in FileSystem. LocalFileSystem can certainly support it. I think it also makes the implementation simpler.

> Command to pull corrupted files
> -------------------------------
>
>                 Key: HADOOP-2063
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2063
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 0.14.1
>            Reporter: Koji Noguchi
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.17.0
>
>         Attachments: 2063_20080219.patch, 2063_20080220.patch
>
>
> Before 0.14, dfs -get didn't perform checksum checking.   
> Users were able to download the corrupted files to see if they want to delete them.
> After 0.14, dfs -get also does the checksumming. 
> Requesting a command for no-checksum-get command.

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