Michael, One thing to be aware is that if the producer stops sending messages, some of the metrics will be reset to 0 after the metric window elapses. Do you see metric values reported in the reporter different from that in jconsole?
Thanks, Jun On Tue, Sep 6, 2016 at 3:03 PM, Michael Ross <mro...@pandora.com> wrote: > I have a very simple Metrics Reporter that implements the Kafka 0.10.0 > MetricsReporter interface, that takes in the metrics as a parameter and > logs them. When a producer starts to send messages, I can see that it is > correctly configured to use the Metrics Reporter I created because it > starts to log, but it only seems to log in the beginning around > initialization and almost every value seems to be 0.0 or negative infinity > (besides available buffer, metadata-age, and the metric count starts at 1.0 > after initialization). It also stops receiving metrics after a very short > time after startup. When looking at the JMX Metrics Reporting on a server > running my Kafka setup, all of the values exist, which makes it clear that > the 0.0s are not expected output. > > After exploring this problem for a while, it looks like this has nothing > to do with the implementation of the Metrics Reporter and more to do with > some configuration issue or understanding around how Metrics Reporting > works. > > Thanks, > > Mike >
