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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3172) Reverse order of AssignmentManager and MetaNodeTracker in ZooKeeperWatcher
Date Fri, 29 Oct 2010 19:05:21 GMT
Reverse order of AssignmentManager and MetaNodeTracker in ZooKeeperWatcher
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                 Key: HBASE-3172
                 URL: https://issues.apache.org/jira/browse/HBASE-3172
             Project: HBase
          Issue Type: Bug
          Components: master, zookeeper
    Affects Versions: 0.90.0
            Reporter: Jonathan Gray
            Assignee: Jonathan Gray
            Priority: Critical
             Fix For: 0.90.0


Over in HBASE-3159, I reported a similar double-opened issue but for META.  This is because
of the fact that the META unassigned znode has two different consumers {{MetaNodeTracker}}
in use by the CatalogTracker and {{AssignmentManager}} which uses it for normal regions-in-transition
stuff.

The AssignmentManager needs to go first, otherwise we can get double handling of state transitions.

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