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From "Kihwal Lee (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8060) Add a capability to use of consistent checksums for append and copy
Date Sun, 12 Feb 2012 00:01:27 GMT
Add a capability to use of consistent checksums for append and copy
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                 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, 0.24.0, 0.23.1
            Reporter: Kihwal Lee
            Assignee: Kihwal Lee
             Fix For: 0.24.0, 0.23.2


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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