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