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Posted to issues@hbase.apache.org by "Lars Hofhansl (Issue Comment Edited) (JIRA)" <ji...@apache.org> on 2012/04/08 02:46:19 UTC
[jira] [Issue Comment Edited] (HBASE-5720)
HFileDataBlockEncoderImpl uses wrong header size when reading HFiles with
no checksums
[ https://issues.apache.org/jira/browse/HBASE-5720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249435#comment-13249435 ]
Lars Hofhansl edited comment on HBASE-5720 at 4/8/12 12:44 AM:
---------------------------------------------------------------
Added you as contributor Matt.
was (Author: lhofhansl):
Added you as conributor Matt.
> HFileDataBlockEncoderImpl uses wrong header size when reading HFiles with no checksums
> --------------------------------------------------------------------------------------
>
> Key: HBASE-5720
> URL: https://issues.apache.org/jira/browse/HBASE-5720
> Project: HBase
> Issue Type: Bug
> Components: io, regionserver
> Affects Versions: 0.94.0
> Reporter: Matt Corgan
> Assignee: Matt Corgan
> Priority: Blocker
> Fix For: 0.94.0
>
> Attachments: 5720-trunk-v2.txt, 5720-trunk.txt, 5720v4.txt, 5720v4.txt, 5720v4.txt, HBASE-5720-v1.patch, HBASE-5720-v2.patch, HBASE-5720-v3.patch
>
>
> When reading a .92 HFile without checksums, encoding it, and storing in the block cache, the HFileDataBlockEncoderImpl always allocates a dummy header appropriate for checksums even though there are none. This corrupts the byte[].
> Attaching a patch that allocates a DUMMY_HEADER_NO_CHECKSUM in that case which I think is the desired behavior.
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