12 zookeepers seems like a lot......and you should always, by default, prefer an odd number of zookeepers. Consumers negotiate with each other for partition ownership, via zookeeper.....
Jason On Fri, Jan 10, 2014 at 9:20 PM, Guozhang Wang <wangg...@gmail.com> wrote: > Can you post the consumer logs for the long-time-to-connect scenarios? > > Guozhang > > > On Fri, Jan 10, 2014 at 1:20 PM, Tim Kellogg <t...@2lemetry.com> wrote: > >> Hi, >> >> I have a cluster of 12 brokers receiving 10,000 msg/s from producers where >> each message is roughly 2.5KB. We also have 12 ZooKeepers and everything is >> on AWS. Under these conditions, top (the Linux utility) reports around >> 10-15 out of 32 for system load, so we’re at less than half capacity. >> >> When under this load consumers take a very long time, often more than 30 >> minutes, to connect to the brokers. When under no load they connect >> immediately. Why is this happening? >> >> Thanks, >> >> Tim Kellogg >> Sr. Software Engineer, Protocols >> 2lemetry >> @kellogh > > > > > -- > -- Guozhang