Add debug logging when AssignmentManager can't make a plan for a region
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Key: HBASE-4323
URL: https://issues.apache.org/jira/browse/HBASE-4323
Project: HBase
Issue Type: Improvement
Components: master
Affects Versions: 0.90.4
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Priority: Trivial
Fix For: 0.90.5
There are some edge cases in which the master is unable to come up with an
assignment plan for a region (eg if all servers in a cluster crash but the
master is still running). We should do some more logging in this case, since
it's currently hard to understand why nothing is getting assigned.
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