Kevin Sweeney created AURORA-111:
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Summary: Support warm failover in schedulers
Key: AURORA-111
URL: https://issues.apache.org/jira/browse/AURORA-111
Project: Aurora
Issue Type: Story
Components: Scheduler
Reporter: Kevin Sweeney
Priority: Minor
Right now, whenever a leader election is triggered all followers dump their
state and restart, then the newly-elected leader has to play back the log and
rebuild its state, all the while being offline (the more task state transitions
it has to play back, the longer this takes). Consider keeping this state
available on the followers (consistent, but arbitrarily far behind) and then
catching up after a successful leader election.
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