Which Kafka version are you using? On Fri, Nov 21, 2014 at 5:29 PM, Allen Wang <aw...@netflix.com.invalid> wrote:
> Yes, we have consumers for the topic fetching at the same time and we can > see the its BytesPerSec metric. So we find it hard to explain why > BytesInPerSec would be greater than BytesOutPerSec on the broker given that > we have active consumer and replication. > > > On Fri, Nov 21, 2014 at 4:32 PM, Guozhang Wang <wangg...@gmail.com> wrote: > > > Are you having consumers fetching from these topics at the same time? > > > > BytesInPerSec only counts the bytes appended to the log from the produce > > request, and BytesOutPerSec counts the bytes fetch from fetch requests; > > hence both replica fetcher and normal consumer fetcher's requests count > in > > BytesOutPerSec. > > > > Guozhang > > > > > > On Fri, Nov 21, 2014 at 11:13 AM, Allen Wang <aw...@netflix.com.invalid> > > wrote: > > > > > We observed that for a topic, BytesIn is greater than BytesOut. We are > > > under the impression that BytesOut should include replication. The > topic > > > has two replicas for each partitions and all replicas are in sync. Then > > > BytesOut should be at least same as BytesIn since it always needs to > > > replicate to a follower. Is that right? > > > > > > Thanks. > > > > > > > > > > > -- > > -- Guozhang > > > -- -- Guozhang
