Michael Stack 5a071dbe2b HBASE-20492 UnassignProcedure is stuck in retry loop on region stuck in OPENING state ... Add backoff when stuck in RegionTransitionProcedure, the subclass of AssignProcedure and UnassignProcedure. Can happen when we go to transition but the current Region state is not what we expect. M hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/Procedure.java Add doc on being able to suspend and wait on a timeout. M hbase-protocol-shaded/src/main/protobuf/MasterProcedure.proto Add 'attempt' counter so we can do backoff when we get stuck. M hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignProcedure.java M hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/UnassignProcedure.java Add persistence of new 'attempt' counter M hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.java Doc data members that are persisted by subclasses given this is 'odd'. Add a counter for 'attempts' used when 'stuck' to implement backoff. Add suspend with timeout when 'stuck'. Add callback when timeout is exhausted which does wakeup of this procedure. A hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestUnexpectedStateException.java Test of backoff.		2018-04-30 20:40:22 -07:00
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src	HBASE-20492 UnassignProcedure is stuck in retry loop on region stuck in OPENING state	2018-04-30 20:40:22 -07:00
pom.xml	HBASE-20330 ProcedureExecutor.start() gets stuck in recover lease on store	2018-04-11 16:07:42 -07:00