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Posted to common-dev@hadoop.apache.org by "Raghu Angadi (JIRA)" <ji...@apache.org> on 2007/05/24 21:28:16 UTC
[jira] Commented: (HADOOP-1428) ChecksumFileSystem : some
operations implicitly not supported.
[ https://issues.apache.org/jira/browse/HADOOP-1428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12498786 ]
Raghu Angadi commented on HADOOP-1428:
--------------------------------------
> would skip bytes on data stream.
I meant to say ... ONLY on data stream ...
> 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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