Manage ZK connections by components and ensembles
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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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