Re: Consumer Offsets partition skew on Kafka 0.10.1.1

2017-10-16 Thread Marcos Juarez
So, we finally figured out why our __consumer_offsets topics was so skewed in volume across partitions. Turns out that the partition is chosen based on the consumer group_id (which makes sense), and we had a few extremely over-committing consumers in prod. A few of them were committing several th

Fwd: Consumer Offsets partition skew on Kafka 0.10.1.1

2017-10-02 Thread Marcos Juarez
I apologize for sending this to dev. Reposting to the Users mailing list. -- Forwarded message -- I was investigating some performance issues we're issues in one of our production clusters, and I ran into extremely unbalanced offset partitions for the __consumer_offsets topic. I