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https://issues.apache.org/jira/browse/HBASE-10434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13885915#comment-13885915
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Jeffrey Zhong commented on HBASE-10434:
---------------------------------------

[~anoopsamjohn] I saw your changed CompressionContext constructor. Though we 
mark it as Private, Phoenix is using it. The similar thing also happened for 
Phoenix as well on KeyValue on earlier changes. Thanks. 

> Store Tag compression information for a WAL in its header
> ---------------------------------------------------------
>
>                 Key: HBASE-10434
>                 URL: https://issues.apache.org/jira/browse/HBASE-10434
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.0
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 0.98.0, 0.99.0
>
>         Attachments: HBASE-10434.patch
>
>
> We can enable/disable tag compression along with WAL compression using the 
> config,
> hbase.regionserver.wal.tags.enablecompression ->  Defaults to true so that 
> compress tags when WAL compress is ON.
> We are not storing this info abt whether a WAL containing compressed tags or 
> not in the WAL header and use that in the read path. So dynamic change of 
> this in some servers may cause issue when  an RS having this value as true 
> have to read and split a WAL generated from n RS where this value was false.



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