Partition tuning

[fnobilia]

We need to investigate the number of partitions we need for each topic.

Useful links:

• https://www.confluent.io/blog/how-to-choose-the-number-of-topicspartitions-in-a-kafka-cluster/\
• https://community.hortonworks.com/questions/1813/kafka-can-the-number-of-partitions-per-topic-be-ch.html