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From Stephen Armstrong <stephen.armstr...@linqia.com>
Subject Auto-rebalance not triggering in 2.10-
Date Thu, 07 May 2015 21:47:28 GMT
I'm running 2.10-, and rebalance will not trigger on it's own. From
I think the leader imbalance means: For a single broker, add up all the
partitions it is leading (Y), and count the ones for which it's not the
preferred broker (X). The ratio of X:Y is the one being used.

I have about 10 topics spread between the 3 brokers, each with 4 or 8
partitions. If I restart broker A, wait 5 min, then restart B, leadership
ends up entirely on C (even though A was in ISR when B went down). Nothing
triggers on it's own. Triggering it manually works (with

Is there something I should be checking, or is there a downside to just
adding a cron job to trigger replica election once an hour?


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