InfluxDB
Developed in go language, InfluxDB is a Time Series database with very interesting performances and data compression.
Data ingestion is easy to implement and its integration into reporting tools like Grafana very mature.
InfluxDB v2, Getting started. Preparing the migration from version 1.7 February 17, 2020
The migration to InfluxDB v2 will need adjustments, many InfluxDB v1 functionalities are replaced in version 2. Migration procedure from version 1.x to version 2 is not yet unveiled, surely it will preconize export/import methods.
The terminology is a little bit modified in version 2 : a database is now a bucket and an organization is necessarily attached to a bucket. No changes about the InfluxDB Line protocol.
In this article : getting started with InfluxDB v2 and the breaks to manage when scheduling migration from version 1.x
InfluQL is replaced by the language Flux, Continuous queries are replaced by tasks.
Native support of the protocols Graphite, OpenTSDB… is removed, Telegraf will have to be used. Grafana plugin for Flux is not yet fully ready. Understanding, installing and using the time series database InfluxDB 1.7 February 7, 2020
InfluxDB is a high performance time series database with efficient compression.
The architecture is well designed (measurements retentions, shards) with easy ingestion, natively or through common time series protocols (OpenTSDB, Graphite…).
Queries are SQL Like and the reporting is intuitive with Grafana or Chronograf.
This introduction to InfluxDB v 1.7 also points out the breaks with the next major version 2.0.