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https://issues.apache.org/jira/browse/PHOENIX-3037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15356210#comment-15356210
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Andrew Purtell commented on PHOENIX-3037:
-----------------------------------------

I enumerated all pre* and post* hooks for compactions and split in 
RegionCoprocessorHost, followed references to where we make the upcalls to see 
if we do a doAs there, then grepped Phoenix source for users of the relevant 
upcalls. I did notice DelegateRegionObserver the first time around but didn't 
recognize the significance. Now all implementors of RegionObserver overriding 
compaction or split upcalls in Phoenix code are covered. 

> Setup proper security context in compaction/split coprocessor hooks
> -------------------------------------------------------------------
>
>                 Key: PHOENIX-3037
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3037
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.7.0
>            Reporter: Lars Hofhansl
>            Assignee: Andrew Purtell
>             Fix For: 4.8.0
>
>         Attachments: PHOENIX-3037-4.x-HBase-0.98.patch, 
> PHOENIX-3037-4.x-HBase-0.98.patch, PHOENIX-3037-4.x-HBase-1.1.patch, 
> PHOENIX-3037-4.x-HBase-1.1.patch, PHOENIX-3037-master.patch, 
> PHOENIX-3037-master.patch
>
>
> See HBASE-16115 for a discussion.



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