kafka not assigning replica as leader after all brokers down









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I have 2 node kafka cluster (replica 0,1) and 3 zookeeper setup.



I tried bring down both kafka nodes (0, 1) for sometime then when I am describing a topic its showing replica 0 as leader as kafka was brought down at the end in replica 0.



$ ./kafka-topics.sh --zookeeper zoo1:2181 --topic test1 --describe
 Topic: test1 PartitionCount:8 ReplicationFactor:2 Configs:
 Topic: test1 Partition: 0 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 1 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 2 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 3 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 4 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 5 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 6 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 7 Leader: 0 Replicas: 0,1 Isr: 0


Case 1: But when I brings up kafka in replica 1 its still showing same output as above and its not changing it to replica 1 as it up now. And mesage produce and consume is failing for old topics (while for newer topics its working).



Case 2: Now Again I stopped kafka on replica 1 and started on replica 0 then it starts working.



Any there any such tool or any configuration which can assign replica forcefully so that this scenario can be addressed?



Leadership and ISR updating is also huge time.






apache-kafka







share|improve this question























  • Those aren't "replica" numbers, just broker.id from the server.properties file. They could be any number. But perhaps you can show the exact commands you used and the Kafka version so someone can reproduce fully?
    – cricket_007
    yesterday














up vote
0
down vote

favorite












I have 2 node kafka cluster (replica 0,1) and 3 zookeeper setup.



I tried bring down both kafka nodes (0, 1) for sometime then when I am describing a topic its showing replica 0 as leader as kafka was brought down at the end in replica 0.



$ ./kafka-topics.sh --zookeeper zoo1:2181 --topic test1 --describe
 Topic: test1 PartitionCount:8 ReplicationFactor:2 Configs:
 Topic: test1 Partition: 0 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 1 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 2 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 3 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 4 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 5 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 6 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 7 Leader: 0 Replicas: 0,1 Isr: 0


Case 1: But when I brings up kafka in replica 1 its still showing same output as above and its not changing it to replica 1 as it up now. And mesage produce and consume is failing for old topics (while for newer topics its working).



Case 2: Now Again I stopped kafka on replica 1 and started on replica 0 then it starts working.



Any there any such tool or any configuration which can assign replica forcefully so that this scenario can be addressed?



Leadership and ISR updating is also huge time.






apache-kafka







share|improve this question























  • Those aren't "replica" numbers, just broker.id from the server.properties file. They could be any number. But perhaps you can show the exact commands you used and the Kafka version so someone can reproduce fully?
    – cricket_007
    yesterday












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have 2 node kafka cluster (replica 0,1) and 3 zookeeper setup.



I tried bring down both kafka nodes (0, 1) for sometime then when I am describing a topic its showing replica 0 as leader as kafka was brought down at the end in replica 0.



$ ./kafka-topics.sh --zookeeper zoo1:2181 --topic test1 --describe
 Topic: test1 PartitionCount:8 ReplicationFactor:2 Configs:
 Topic: test1 Partition: 0 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 1 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 2 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 3 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 4 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 5 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 6 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 7 Leader: 0 Replicas: 0,1 Isr: 0


Case 1: But when I brings up kafka in replica 1 its still showing same output as above and its not changing it to replica 1 as it up now. And mesage produce and consume is failing for old topics (while for newer topics its working).



Case 2: Now Again I stopped kafka on replica 1 and started on replica 0 then it starts working.



Any there any such tool or any configuration which can assign replica forcefully so that this scenario can be addressed?



Leadership and ISR updating is also huge time.






apache-kafka







share|improve this question















I have 2 node kafka cluster (replica 0,1) and 3 zookeeper setup.



I tried bring down both kafka nodes (0, 1) for sometime then when I am describing a topic its showing replica 0 as leader as kafka was brought down at the end in replica 0.



$ ./kafka-topics.sh --zookeeper zoo1:2181 --topic test1 --describe
 Topic: test1 PartitionCount:8 ReplicationFactor:2 Configs:
 Topic: test1 Partition: 0 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 1 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 2 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 3 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 4 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 5 Leader: 0 Replicas: 0,1 Isr: 0
 Topic: test1 Partition: 6 Leader: 0 Replicas: 1,0 Isr: 0
 Topic: test1 Partition: 7 Leader: 0 Replicas: 0,1 Isr: 0


Case 1: But when I brings up kafka in replica 1 its still showing same output as above and its not changing it to replica 1 as it up now. And mesage produce and consume is failing for old topics (while for newer topics its working).



Case 2: Now Again I stopped kafka on replica 1 and started on replica 0 then it starts working.



Any there any such tool or any configuration which can assign replica forcefully so that this scenario can be addressed?



Leadership and ISR updating is also huge time.






apache-kafka




apache-kafka






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edited 2 days ago









Giorgos Myrianthous

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asked 2 days ago









dcds

702215




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  • Those aren't "replica" numbers, just broker.id from the server.properties file. They could be any number. But perhaps you can show the exact commands you used and the Kafka version so someone can reproduce fully?
    – cricket_007
    yesterday
















  • Those aren't "replica" numbers, just broker.id from the server.properties file. They could be any number. But perhaps you can show the exact commands you used and the Kafka version so someone can reproduce fully?
    – cricket_007
    yesterday















Those aren't "replica" numbers, just broker.id from the server.properties file. They could be any number. But perhaps you can show the exact commands you used and the Kafka version so someone can reproduce fully?
– cricket_007
yesterday




Those aren't "replica" numbers, just broker.id from the server.properties file. They could be any number. But perhaps you can show the exact commands you used and the Kafka version so someone can reproduce fully?
– cricket_007
yesterday

















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