Monitoring your own infrastructure using Grafana, InfluxDB, and CollectD
Echoing the sentiment expressed by others here, for a scalable time-series database that continues to invest in its community and plays well with others, please check out TimescaleDB.We (I work at TimescaleDB) recently announced that multi-node TimescaleDB will be available for free, specifically as a way to keep investing in our community: https://blog.timescale.com/blog/multi-node-petabyte-scale-ti...Today TimescaleDB outperforms InfluxDB across almost all dimensions (credit goes to our database team!), especially for high-cardinality workloads: 
https://blog.timescale.com/blog/timescaledb-vs-influxdb-for-...TimescaleDB also works with Grafana, Prometheus, Telegraf, Kafka, Apache Spark, Tableau, Django, Rails, anything that speaks SQL...