I am new to Druid and currently trying to evaluate whether or not
Druid makes a good fit for my use case.
Each row looks like this:
My (first) problem is that I want to keep only one record per user
and hour. Is this supported out-of-the-box on Druid or I have to
use an intermediate storage (such as Redis) to deal with the
Just for the records, ultimately, I want to count the following on
a hourly, daily, weekly etc. basis:
- how many users came from US (in total and on per hour basis). - how many users came from an unknown place (in total and on per
- how many users came from US with Apple Vs. Android device (in
total and on per hour basis).
Thank you for your time.