Take a look at ConsumerLag jmx in http://kafka.apache.org/documentation.html#monitoring
Thanks, Jun On Wed, May 14, 2014 at 2:17 AM, Simon Cooper < simon.coo...@featurespace.co.uk> wrote: > In the output of kafka-topics.sh -describe, it gives the ISR. What I want > to find out is why a particular broker is not in ISR, how far behind it is, > and when it will get back into the ISR. I can't seem to find this > information in the logs, cmdline output, or zookeeper. How can I find out > how far behind the ISR a particular broker is? > > SimonC >