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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-3774) Manage ZK connections by components and ensembles
Date Tue, 12 Apr 2011 20:42:06 GMT
Manage ZK connections by components and ensembles
-------------------------------------------------

                 Key: HBASE-3774
                 URL: https://issues.apache.org/jira/browse/HBASE-3774
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 0.90.2
            Reporter: Jean-Daniel Cryans
            Priority: Blocker
             Fix For: 0.92.0


This is the real fix to HBASE-3773, we need to stop creating so many connections to ZK. Currently
the problem is that we don't want to mix connections between the region server, a client,
and whatever else in a JVM that requires talking to ZK. The current situation is a (non-intended)
tradeoff of worse usability for easier unit testing.

Another thing to take into account is that a client or a region server needs to be able to
talk to more than one ensemble at the same time (CopyTable, replication are examples).

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