Hi Mu Kong Yes, you need check your kafka cluser server log, network traffic, disk latency, cpu load.
Jake > On Jul 22, 2020, at 7:34 PM, Till Rohrmann <trohrm...@apache.org> wrote: > > Hi Mu Kong, > > I think Jake was asking for the logs of your Kafka cluster and not the Flink > TM logs. > > Cheers, > Till > > On Wed, Jul 22, 2020 at 12:47 PM Mu Kong <kong.mu....@gmail.com > <mailto:kong.mu....@gmail.com>> wrote: > Hi, Jake, > > Thanks for offering help. > I didn't find anything related to kafka in my tm log. > Is there a way to enable the logging, or am I just looking into the wrong > place? > > Thanks in advance. > > Best regards, > Mu