Kafka partition reassignment causes replica number and Isr to go above configured value

2015-08-05 Thread Ye Hong
We recently performed a partition reassignment. Our Kafka cluster is on 0.8.1.1, and all topics are configured to have 2 replicas. After the completion of reassignment, we have noticed that some of the partitions has 3 replicas and 3 Isrs. for example: Topic: topic1Partition: 7Leader:

Partition reassignment causes replica number and Isr to go above configured value

2015-08-05 Thread Ye Hong
Hi All, We recently performed a partition reassignment on one of our Kafka cluster. (0.8.1.1, all topics configured to have 2 replicas.) After the completion of reassignment, we have noticed that some of the partitions has 3 replicas and 3 Isrs instead of 2. for example: Topic: topic1