Double-close makes for double-assign of a region
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Key: HBASE-3390
URL: https://issues.apache.org/jira/browse/HBASE-3390
Project: HBase
Issue Type: Bug
Reporter: stack
I see double-assign during a rolling restart test. Its happening when master
joins existing cluster... half the RSs have reported in but its taking on
splits anyways (I have it splitting and balancing continuously). A split comes
in immediately followed by a balance. What I think is happening is that the
split comes in and clears a CLOSING from RIT as part of its cleanup of parent
region references. This is messing up the run of balancers' close somehow;
we're getting node created and children changed zk events and this makes
somehow for the double closed.
I'm enabling zk logging and will try harder to hunt this one down.
Not creating as BLOCKER on 0.90.0 because I think its ok to disable balancer
while rolling restart is going on -- and the current rolling restart is a
horror anyways doing its maximmal region moving.
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