Can you confirm that you are using a replication factor of two? As Steven said, the replicas also consume from the leader. So it's your consumer, plus the replica.
On Thu, Sep 25, 2014 at 10:04:29PM -0700, ravi singh wrote: > Thanks Steven. That answers the difference in Bytes in and bytes Out per > sec. But I was wondering why(and how) is BytesOutPerSec is calculated based > on number of partition even though it is consumed only once? > > > *Regards,* > *Ravi* > > On Thu, Sep 25, 2014 at 9:55 PM, Steven Wu <stevenz...@gmail.com> wrote: > > > couldn't see your graph. but your replicator factor is 2. then replication > > traffic can be the explanation. basically, BytesOut will be 2x of BytesIn. > > > > On Thu, Sep 25, 2014 at 6:19 PM, ravi singh <rrs120...@gmail.com> wrote: > > > > > I have set up my kafka broker with as single producer and consumer. When > > I > > > am plotting the graph for all topic bytes in/out per sec i could see > > that > > > value of BytesOutPerSec is more than BytesInPerSec. > > > Is this correct? I confirmed that my consumer is consuming the messages > > > only once. What could be the reason for this behavior? > > > > > > [image: Inline image 1] > > > > > > > > > -- > > > *Regards,* > > > *Ravi* > > > > > > > > > -- > *Regards,* > *Ravi*