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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1428) ChecksumFileSystem : some operations implicitly not supported.
Date Thu, 24 May 2007 19:24:16 GMT
ChecksumFileSystem : some operations implicitly not supported.
--------------------------------------------------------------

                 Key: HADOOP-1428
                 URL: https://issues.apache.org/jira/browse/HADOOP-1428
             Project: Hadoop
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.12.3
            Reporter: Raghu Angadi
             Fix For: 0.14.0



It looks like {{skip()}} would skip bytes on data stream. That assures next read is going
to be a checksum error. If skip() is not supported, ideally it should throw an exception with
clear message.

Also positional reads ({{read(long position, buf)}}) don't seem to checksum the data. It might
be ok, but it is not obvious to users.


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