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Posted to issues@hbase.apache.org by "Matt Corgan (Updated) (JIRA)" <ji...@apache.org> on 2012/04/05 04:17:18 UTC

[jira] [Updated] (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:all-tabpanel ]

Matt Corgan updated HBASE-5720:
-------------------------------

    Attachment: HBASE-5720-v1.patch
    
> 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
>            Priority: Blocker
>             Fix For: 0.94.0
>
>         Attachments: HBASE-5720-v1.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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