I believe the 10% is measured on a broker level not a topic
level. Do you see lines like:
[2016-04-27 22:52:47,854] TRACE [Controller 3]: leader imbalance ratio for
broker 5 is 0.978555 (kafka.controller.KafkaController)
[2016-04-27 22:52:47,855] TRACE [Controller 3]: leader imbalance ratio for
broker 1 is 0.000000 (kafka.controller.KafkaController)
[2016-04-27 22:52:47,855] TRACE [Controller 3]: leader imbalance ratio for
broker 2 is 0.000000 (kafka.controller.KafkaController)
[2016-04-27 22:52:47,855] TRACE [Controller 3]: leader imbalance ratio for
broker 3 is 0.000000 (kafka.controller.KafkaController)
[2016-04-27 22:52:47,855] TRACE [Controller 3]: leader imbalance ratio for
broker 4 is 0.000000 (kafka.controller.KafkaController)
in your controller log?
rob
> On Apr 27, 2016, at 3:46 PM, Kane Kim <kane.ist...@gmail.com> wrote:
>
> Bump
>
> On Tue, Apr 26, 2016 at 10:33 AM, Kane Kim <kane.ist...@gmail.com> wrote:
>
>> Hello,
>>
>> We have auto.leader.rebalance.enable = True, other options are by default
>> (10% imbalance ratio and 300 seconds).
>>
>> We have a check that reports leadership imbalance:
>>
>> critical: Leadership out of balance for topic mp-auth. Leader counts: {
>> "104224873"=>84, "104224876"=>22, "104224877"=>55, "104224863"=>110,
>> "104224865"=>107, "104224867"=>105, "104224868"=>42, "104224871"=>9,
>> "104224879"=>20, "104224866"=>12, "104224869"=>17, "104224864"=>14,
>> "104224878"=>3}
>>
>> Above is the brokerid: number of partitions, apparently the imbalance is
>> higher than 10% and it was in this state for a couple of hours, there is no
>> evidence that it's trying to rebalance.
>>
>> Is there anything else we have to configure/check?
>>
>> Thanks.
>>
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