Hi,
 In our case data is coming from 2 kafka streams. We want to compare current
data from 2 streams and take some action(e.g. raise alert). We want to make
this processing event based i.e. as soon as data comes from 2 streams, we
should take action associated with this event. 
For example, 
((Curr_stream1.f0 - Curr_stream2.f0) > T ) then ----> raise alert.

Initially I thought of caching both streams data and then compare it, but it
will take more time to process.

Thanks,
Rishikesh



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