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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11762) Record the class name of Codec in WAL header
Date Tue, 19 Aug 2014 00:51:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-11762:
---------------------------

    Attachment: 11762-0.98.txt

Patch for 0.98

> Record the class name of Codec in WAL header
> --------------------------------------------
>
>                 Key: HBASE-11762
>                 URL: https://issues.apache.org/jira/browse/HBASE-11762
>             Project: HBase
>          Issue Type: Task
>          Components: wal
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 1.0.0, 2.0.0, 0.98.6
>
>         Attachments: 11762-0.98.txt, 11762-v1.txt, 11762-v2.txt, 11762-v4.txt, 11762-v5.txt,
11762-v6.txt
>
>
> In follow-up discussion to HBASE-11620, Enis brought up this point:
> Related to this, should not we also write the CellCodec that we use in the WAL header.
Right now, the codec comes from the configuration which means that you cannot read back the
WAL files if you change the codec.
> This JIRA is to implement the above suggestion.



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