Jun, you mean trace level logging for requestAppender? log4j.logger.kafka.network.Processor=TRACE, requestAppender
if it happens again, I can try to enable it. On Wed, Oct 8, 2014 at 9:54 PM, Jun Rao <jun...@gmail.com> wrote: > If enabled request logging, you can find this out. > > Thanks, > > Jun > > On Wed, Oct 8, 2014 at 8:57 PM, Steven Wu <stevenz...@gmail.com> wrote: > > > I have seen very high "Fetch-Consumer-RequestsPerSec" (like 15K) per > broker > > in a relatively idle cluster. My hypothesis some misbehaving consumer > has a > > tight polling loop without any back-off logic with empty fetch. > > > > Unfortunately, this metric doesn't have per-topic breakdown like > > "BytesInPerSec" or "MessagesInPerSec". So I can't really tell which > > topic/consumer is pounding the cluster. > > > > Also the storm already ended. So I can't use tcpdump to capture live > > traffic. > > > > So any suggestion? > > >