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From "Robin, Martin (Nokia - IN/Bangalore)" <martin.ro...@nokia.com>
Subject Kafka controlled shutdown hangs when there are large number of topics in the cluster
Date Mon, 19 Dec 2016 13:02:10 GMT
Hi

We have 9 broker instances in a kafka cluster spread across 3 linux machines. The 1st machine
has 4 broker instances. 2nd  machine has 4 broker instances and 3rd one has 1 broker instance.
 There are around 101 topics created in the cluster

We start the broker as follows
        All 4 brokers are started on first machine
        All 4 brokers are started on 2nd machine
        1 broker started on 3rd machine

After brokers were running for sometime, we try to shutdown the brokers as below
        All 4 brokers stopped on 1st machine
        4 brokers are stopped on 2nd machine---- While we do this kafka controlled shutdown
hangs

This same issue was not seen with 25 topics.

Please let us know if any solution is known to this issue

Thanks
Martin





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