Jeffrey Zhong created HBASE-9932:
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Summary: Remove Master Recovery handling when ZK session expired
Key: HBASE-9932
URL: https://issues.apache.org/jira/browse/HBASE-9932
Project: HBase
Issue Type: Brainstorming
Reporter: Jeffrey Zhong
Currently we use HMaster#tryRecoveringExpiredZKSession to allow master recovery
from a ZK session expired error. While this triggers to initialize HMaster
partially, it is error prone because it's hard to guarantee the half
initialized master is in correct state. I found several times already that the
registered ZK listeners are different before & after a fail over.
Since we already have HA support, I'm proposing to remove this part handling.
Though we have a configuration setting "fail.fast.expired.active.master" to
skip the logic, why not go one stop further to clean the master code.
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