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Posted to common-issues@hadoop.apache.org by "Eli Collins (JIRA)" <ji...@apache.org> on 2012/06/01 21:00:24 UTC

[jira] [Updated] (HADOOP-8060) Add a capability to use of consistent checksums for append and copy

     [ https://issues.apache.org/jira/browse/HADOOP-8060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eli Collins updated HADOOP-8060:
--------------------------------

    Target Version/s: 0.23.3, 2.0.1-alpha
       Fix Version/s:     (was: 0.23.2)
                          (was: 0.24.0)
    
> Add a capability to use of consistent checksums for append and copy
> -------------------------------------------------------------------
>
>                 Key: HADOOP-8060
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8060
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs, util
>    Affects Versions: 0.23.0, 0.23.1, 0.24.0
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>
> After the improved CRC32C checksum feature became default, some of use cases involving data movement are no longer supported.  For example, when running DistCp to copy from a file stored with the CRC32 checksum to a new cluster with the CRC32C set to default checksum, the final data integrity check fails because of mismatch in checksums.

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