Hi, > On 7 Nov 2019, at 09:18, SenthilKumar K <senthilec...@gmail.com> wrote: > > Hello Experts , We are observing issues in Partition(s) when the Kafka > broker is down & the Partition Leader Broker ID set to -1. > > Kafka Version 2.2.0 > Total No Of Brokers: 24 > Total No Of Partitions: 48 > Replication Factor: 2 > Min In sync Replicas: 1 > > > Partition Leader Replicas > In Sync Replicas > > See above the Partition 41 leader set to -1 , the replicas exist in 18,24. > The broker id 24 went down for due to Too many open files. > > Q: Why is it not electing the broker 18 as a leader for Partition 41? > > Had a similar problem in Past, after fixing the broker the partition shows > correct leader. > > Kafka Properties: > default.replication.factor = 2 > unclean.leader.election.enable = true > min.insync.replicas = 1 > num.partitions = 48 > > > Zookeeper Active Broker ID's: > [zk: localhost:2181(CONNECTED) 1] ls /kafka.test/brokers/ids > [1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 3, 4, 5, 6, 7, 8, > 9] > [zk: localhost:2181(CONNECTED) 2] > > Restarting ZK also didn't help. > > Pls advise! How to fix this? Why is this happening? Your attachment image didn’t come through. Also, not sure what’s your ID assignment strategy is, Keeping Broker iD 0 has caused some problems for me in the past. With ID >=1 I haven’t had any issue as such.
Also, you mentioned you “Fixed the broker” in the past. What exactly did you fix? Regards,
