This is the second part in a series about Monitoring at Spotify. In the previous post I discussed our history of operational monitoring. In this part I’ll be presenting Heroic, our scalable time series database which is now free software. Heroic is our in-house time series database. We built it to address the challenges we were facing with near real-time data collection and presentation at scale.
![Monitoring at Spotify: Introducing Heroic - Spotify Engineering](https://cdn-ak-scissors.b.st-hatena.com/image/square/cd6dffbb9211bb112b90d82a3d7e2f928fd571b0/height=288;version=1;width=512/https%3A%2F%2Fstorage.googleapis.com%2Fproduction-eng%2F1%2F2015%2F11%2Fmonitoring-heroic-banner2-1.png)