Kafka
Post date: Aug 24, 2017 9:5:46 AM
KAFKA_CARDINALITY
KAFKA_CARDINALITY
Count number of distinct values (cardinality) in Kafka stream for a given JSON key.
Algorithms used: HashSet, HyperLogLog, Linear counting
https://github.com/svetaj/KAFKA_CARDINALITY/blob/master/README.md