Saturday, June 30, 2018

Stream Processing and Trending Hashtags

A prospective Wallaroo user contacted us and asked for an example of chaining state computations together so the output of one could be fed into another to take still further action. In particular, their first step was doing aggregation.

Doing chained state computations is a general problem with many applications and is straightforward in Wallaroo. To illustrate the concepts using a realistic yet relatively easy to understand use-case I decided to go with an updated version of a previous blog post. Back in November of 2017, we published an example Wallaroo app that identified top Twitter hashtags in real-time.



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