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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16115) Missing security context in RegionObserver coprocessor when a compaction is triggered through the UI
Date Sun, 26 Jun 2016 04:52:37 GMT
Lars Hofhansl created HBASE-16115:
-------------------------------------

             Summary: Missing security context in RegionObserver coprocessor when a compaction
is triggered through the UI
                 Key: HBASE-16115
                 URL: https://issues.apache.org/jira/browse/HBASE-16115
             Project: HBase
          Issue Type: Bug
            Reporter: Lars Hofhansl


We ran into an interesting phenomenon which can easily render a cluster unusable.

We loaded some tests data into a test table and forced a manual compaction through the UI.
We have some compaction hooks implemented in a region observer, which writes back to another
HBase table when the compaction finishes. We noticed that this coprocessor is not setup correctly,
it seems the security context is missing.

The interesting part is that this _only_ happens when the compaction is triggere through the
UI. Automatic compactions (major or minor) or when triggered via the HBase shell (folling
a kinit) work fine. Only the UI-triggered compactions cause this issues and lead to essentially
neverending compactions, immovable regions, etc.

Not sure what exactly the issue is, but I wanted to make sure I capture this.

[~apurtell], [~ghelmling], FYI.



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