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raft: reduce polling in automatic leadership rebalancing #2031

Open dotnwat opened 3 years ago

dotnwat commented 3 years ago

We currently lack the proper notification mechanism in the leaders table to wake-up the leadership rebalance service in cases where enough leadership change has occurred that it would make sense to run the balancer before the normal polling timeout occurs.

JIRA Link: CORE-714

emaxerrno commented 3 years ago

Could we do exponential back off with a limit of say 1 minute. So at most once a minute