It's part of kafka, actually. You can find it documented at https://cwiki.apache.org/confluence/display/KAFKA/System+Tools#SystemTools-ConsumerOffsetChecker
On Mon, Aug 14, 2017 at 11:32 AM, Laurens Vets <laur...@daemon.be> wrote: > From the Performance-tuning-guide.md: "You will find the offset lag tool > indispensable while verifying your settings." > > Probably because it's Monday, but I can't seem to find this offset lag > tool anywhere... >