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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7254) Use new Globally Barriered Procedure mechanism to replace AccessController ZK-mediated permissions cache
Date Sun, 02 Dec 2012 01:55:58 GMT
Andrew Purtell created HBASE-7254:
-------------------------------------

             Summary: Use new Globally Barriered Procedure mechanism to replace AccessController
ZK-mediated permissions cache 
                 Key: HBASE-7254
                 URL: https://issues.apache.org/jira/browse/HBASE-7254
             Project: HBase
          Issue Type: Task
          Components: Coprocessors, security
    Affects Versions: 0.96.0
            Reporter: Andrew Purtell
            Assignee: Andrew Purtell


After HBASE-7212 goes in, we could tighten up the permissions cache using a barrier for grant
and revoke ops. We should consider replacing the current ZK watcher based permissions cache
"RPC via ZK" with this Procedure mechanism that provides much the same, but with the added
benefit that we can fail the grant or revoke op if one or more RSes fail to ack the update.

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