influxdb (An Open-Source Time Series Database) InfluxDB is an open source time series database with no external dependencies. It's useful for recording metrics, events, and performing analytics. It supports high write loads, large data set storage, and conserves space thru downsampling, automatically expiring and deleting unwanted data as well as backup and restore. InfluxDB also makes it easy to analyze data by providing an easy-to-use SQL-like query language. Groupname and Username You must have the "influxdb" group and user to run this script, for example: groupadd -g 348 influxdb useradd -u 348 -s /bin/false -d /var/lib/influxdb influxdb