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From Kane Kim <kane.ist...@gmail.com>
Subject leader election bug
Date Thu, 28 Apr 2016 00:42:46 GMT
Hello,

Looks like we are hitting leader election bug. I've stopped one broker
(104224873) on other brokers I see following:

WARN  kafka.controller.ControllerChannelManager  - [Channel manager on
controller 104224863]: Not sending request Name: StopReplicaRequest;
Version: 0; CorrelationId: 843100; ClientId: ; DeletePartitions: false;
ControllerId: 104224863; ControllerEpoch: 8; Partitions: [mp-auth,169] to
broker 104224873, since it is offline.

Also describing topics returns this:
Topic: mp-unknown Partition: 597 Leader: 104224873 Replicas:
104224874,104224873,104224875 Isr: 104224873,104224875

broker 104224873 is shut down, but it's still leader for the partition (at
least for a couple of hours as I monitor it).
Zookeeper cluster is healthy.

ls /brokers/ids
[104224874, 104224875, 104224863, 104224864, 104224871, 104224867,
104224868, 104224865, 104224866, 104224876, 104224877, 104224869,
104224878, 104224879]

That broker is not registered in ZK.

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