Can you confirm that you are not actually seeing the messages on the lagging broker ? Because if the Max Lag is 0 it should mean that consumer has read the offsets till log end offset of the broker.
Thanks, Mayuresh On Fri, Jul 10, 2015 at 8:29 PM, Allen Wang <aw...@netflix.com.invalid> wrote: > We have two applications that consume all messages from one Kafka cluster. > We found that the MessagesPerSec metric started to diverge after some time. > One of them matches the MessagesInPerSec metric from the Kafka broker, > while the other is lower than the broker metric and appears to have some > message loss. > > Both of them have the same OwnedPartitionsCount. > > Both of them have 0 MaxLag. > > How is that possible? Anything we should look at? Is the MaxLag metric not > telling the truth? > > Thanks, > Allen > -- -Regards, Mayuresh R. Gharat (862) 250-7125
