Michael Stack created HBASE-23770:
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Summary: [Flakey Tests]
TestRegionReplicasWithRestartScenarios#testWhenRestart
Key: HBASE-23770
URL: https://issues.apache.org/jira/browse/HBASE-23770
Project: HBase
Issue Type: Bug
Components: flakies
Reporter: Michael Stack
Fails about 35% of the time in the GCE build. Let me attach a picture from
current flakies dashboard for branch-2.
The test starts a cluster of three RS w/ 3 region replicas. It then stops a
server, starts a new one, and then expects that the remaining three nodes do
not have instances where two region replicas have landed on a single server.
It fails sporadically (reproducible locally) because when the SCP runs its
assign, sometimes timing has it so Master knows of two servers only. Making
the new start before the old one is stopped (instead of other way around) seems
to fix the test -- there'll be three servers up when SCP runs.
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