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https://issues.apache.org/jira/browse/HBASE-11762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14099225#comment-14099225
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Ted Yu commented on HBASE-11762:
--------------------------------
In ProtobufLogReader#initInternal():
{code}
WALHdrResult walHdrRes = readHeader(builder, stream);
{code}
Looks like Cell Codec class name should be returned from readHeader() so that
initAfterCompression() can utilize the value.
WALHdrResult will be changed accordingly.
> 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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