Prevent RegionObservers from interfering with system tables.
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Key: HBASE-4263
URL: https://issues.apache.org/jira/browse/HBASE-4263
Project: HBase
Issue Type: Bug
Components: coprocessors
Affects Versions: 0.92.0
Reporter: Lars Hofhansl
Priority: Minor
Fix For: 0.92.0
It turns out that a RegionObserver can interfere with -ROOT- and .META.
That seems weird and should be prevented.
(The one use case for this that I could come up with is access control by
Region by intercepting actions on .META., and I don't think that's a
particularly string use case).
I'll attach a patch as soon as I get to it.
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