Nothing constrains you to accumulate a single statistic or measure in a single bolt. In fact, it can be very good for performance to fold accumulators into a single bolt. Such folding is one of the most important optimizations in mapr-reduce coding, for much the same reason.
Sent from my iPhone > On Nov 1, 2014, at 12:10, Satish Varma Dandu <[email protected]> wrote: > > Hi, Storm looks great for finding out the trending topics. I have a quick > question regarding trending topics by category. For ex: with Storm we can > find top trending twitter articles. But whats the best way to identify > trending topics by country or by any category. Do we need to create a > separate bolt for each category. For Ex: i want to find trending topics by > "Sports" or "Music" or "Politics". So do i need to create 3 separate bolts > and separate rollingTopWords ?. Whats the best approach in those scenarios. > > Thanks. Any help on this would be great.
