Hi Zaiming, I responded on the user list. -Jason
On Thu, Mar 24, 2016 at 8:31 AM, Zaiming Shi <zmst...@gmail.com> wrote: > Hi there! > > It was probably sent to the wrong list? > Wish I can get some answer here. > > ---------- Forwarded message ---------- > From: Zaiming Shi <zmst...@gmail.com> > Date: Wed, Mar 23, 2016 at 6:03 PM > Subject: consumer group, why commit requests are not considered as > effective heartbeats? > To: us...@kafka.apache.org > > > Hi there! > > We have noticed that when committing requests are sent intensively, we > receive IllegalGenerationId. > Here is the settings we had problem with: session-timeout: 30 sec, > heartbeat-rate: 3 sec. > Problem resolved by increasing the session timeout to 180 sec. > > So I suppose, due to whatever reason (either the client didn't send > heartbeat, or the broker didn't process the heartbeats in time), the > session was considered dead in group coordinator. > > My question is: why commit requests can't be taken as an indicator of > member being alive? hence not to kill the session. > > Regards > -Zaiming >
