Hello,

I don't know if this emails are the correct way to ask for some technical
questions that I have about topology designs, but I try to explain my
problem.

I work in a small startup, we work in Energy management system in the
cloud, we receive millions of data every five minutes.

Now we have the typical system with queues and workers, and this is not
scalable.

I have designed two topologies :

- One, *Accumulate Topology*, receive data from a RabbitMQ, one layer of
bolts accumulate data grouped by some field, and every minute with a tick
tuples the grouped data is passed to another layers that perform some
operations an change the stream ... finally I have two outputs, one a
persistor to a nosqldatabase, and the other to another topology.

- Second topology, an *Alert Topology*, from the output of the Accumulate
Topology I have to check if I must to trigger some alerts doing some
operations on streams of data , this is a complex topology with many layers
and bolts.

My questions are :

*- What is the best approach to connect this two topologies ? Could I
connect them sending tuples from first topology to a RbbitMQ and consume
them from the second? or maybe connect directly an create a spout from the
last bolt of first topology? or maybe merge all in one topology? *

I hope heard from you soon,

Thanks,

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