Heroic vs KairosDB: What are the differences?
Heroic: A scalable time series database based on Cassandra and Elasticsearch, by Spotify. Heroic is Spotify's in-house time series database. It was built to address the challenges Spotify was facing with near real-time data collection and presentation at scale; KairosDB: Fast Time Series Database on Cassandra. KairosDB is a fast distributed scalable time series database written on top of Cassandra.
Heroic and KairosDB can be categorized as "Databases" tools.
Heroic and KairosDB are both open source tools. It seems that KairosDB with 1.46K GitHub stars and 302 forks on GitHub has more adoption than Heroic with 710 GitHub stars and 89 GitHub forks.