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From "Kihwal Lee (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2777) When copying a file out of HDFS, modifying it, and uploading it back into HDFS, the put fails due to a CRC mismatch
Date Thu, 12 Jan 2012 19:21:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13185163#comment-13185163
] 

Kihwal Lee commented on HDFS-2777:
----------------------------------

Actually ignoreCRC is for disabling checksum verification. CRC copying needs to be disabled
by default when -crc is not specified.

                
> When copying a file out of HDFS, modifying it, and uploading it back into HDFS, the put
fails due to a CRC mismatch
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2777
>                 URL: https://issues.apache.org/jira/browse/HDFS-2777
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.23.1
>         Environment: KR at Yahoo
>            Reporter: Kevin J. Price
>
> Performing an hdfs -get on a file, modifying the file, and using hdfs -put to place the
file back into HDFS results in a checksum error.  It seems that the problem is a .crc file
being generated locally from the -get command even though the -crc option was NOT specified.

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