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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/1186/
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Review request for hbase, stack and khemani.
Summary
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Adds a configuration option (default true in this patch) for retaining
assignment on startup. If true, initial assignment plan attempts to use
existing assignment info from META (we don't delete assignment info in META
when RS closes region).
Also changes initial assignment to skip regions from disabled tables rather
than looking at offline flag.
This addresses bug HBASE-2896.
http://issues.apache.org/jira/browse/HBASE-2896
Diffs
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trunk/src/main/java/org/apache/hadoop/hbase/catalog/MetaReader.java 1032133
trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
1032133
trunk/src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java 1032133
trunk/src/test/java/org/apache/hadoop/hbase/master/TestLoadBalancer.java
1032133
Diff: http://review.cloudera.org/r/1186/diff
Testing
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I will write a new unit test of the load balancing method to make sure it does
what is expected.
I could write a cluster-level TestRetainAssignment test which actually tests it
works end to end but I'm not sure it's necessary. Could also add some
modification to TestClusterRestart or whatever that one is.
Thanks,
Jonathan
