[jira] [Commented] (HBASE-11762) Record the class name of Codec in WAL header

["Enis Soztutar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-11762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14099177#comment-14099177 ] 

Enis Soztutar commented on HBASE-11762:
---------------------------------------

Thanks Ted. 
{code}
+  optional string codec_cls_name = 5;
{code}
I think we can name this cell_codec_cls_name.

We should also change PBLogReader to obtain the cell codec from the header, no? 

> 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
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: 11762-v1.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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