Esteban Gutierrez created HBASE-17305:
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Summary: Two active HBase Masters can run at the same time under
certain circumstances
Key: HBASE-17305
URL: https://issues.apache.org/jira/browse/HBASE-17305
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 2.0.0
Reporter: Esteban Gutierrez
Assignee: Esteban Gutierrez
Priority: Critical
This needs a little more investigation, but we found a very edgy case when the
active master is restarted and a stand-by master tries to become active,
however the original active master was able to become the active master again
and just before the standby master passed the point of the transition to become
active we ended up with two active masters running at the same time. Assuming
the clock on both masters were accurate to milliseconds, this race happened in
less than 85ms.
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