There have definitely been issues with UI reporting for the direct
stream in the past, but I'm not able to reproduce this with 2.0.2 and
0.8. See below:
On Fri, Nov 18, 2016 at 4:38 AM, Julian Keppel
> I use Spark 2.0.2 with Kafka integration 0-8. The Kafka version is 0.10.0.1
> (Scala 2.11). I read data from Kafka with the direct approach. The complete
> infrastructure runs on Google Container Engine.
> I wonder why the corresponding application UI says the input rate is zero
> records per second. This is definitely wrong. I checked it while I printed
> out the incoming records to the driver console. All other metrics seem to be
> correct (at least they are realistic).
> What is going on here? Do you have any idea? Thanks for you help.