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From Mayuresh Gharat <gharatmayures...@gmail.com>
Subject Re: Kafka High Level Consumer Message Loss?
Date Mon, 13 Jul 2015 03:42:34 GMT
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.



On Fri, Jul 10, 2015 at 8:29 PM, Allen Wang <awang@netflix.com.invalid>

> 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

Mayuresh R. Gharat
(862) 250-7125

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