InfluxDB

wikipedia:InfluxDB (2013, go) open source TSDB. InfluxDB has no external dependencies and provides an SQL-like (InfluxQL) language, listening on port 8086.

Installation

Linux installation:

• apt install influxdb
• apt install influxdb-client, provide influx client binary

MacOS installation:

• brew install influxdb influxdb-cli
• brew tap influxdata/tap && brew install influxctl

Docker:

• https://hub.docker.com/_/influxdb
• Docker compose: InfluxDB docker-compose

Configuration

• /etc/influxdb/influxdb.conf
• ~/brew/Cellar/influxdb/2.7.5/config.yml

Status:

• systemctl status influxdb
• systemctl stop influxdb

Help:

• influxd --help

Line protocol

InfluxDB accepts data via HTTP, TCP, and UDP. It defines a line protocol backwards compatible with Graphite and takes the form:

measurement(,tag_key=tag_val)* field_key=field_val(,field_key_n=field_value_n)* (nanoseconds-timestamp)?

Retention policy

When you create a database, InfluxDB creates a retention policy called autogen with an infinite duration, a replication factor set to one, and a shard group duration set to seven days. (/etc/influxdb/influxdb.conf)

Activities

• Read Authentication and authorization in InfluxDB

Related terms

• Glances
• Telegraf: Automatically configure Telegraf
• Grafana: grafana_data_source
• Graphite
• CollectD
• Influx
• Prometheus
• Amazon Timestream for InfluxDB

See also

• influx [ ping | config | version | telegrafs | org | bucket | setup | query | backup | restore | --help ]
• InfluxDB (8086), InfluxDB 3, InfluxQL, /etc/influxdb/influxdb.conf, DDL, DML, Influx, influx --help, /var/lib/influxdb/, /etc/influxdb/influxdb.conf, aws_timestreaminfluxdb_db_instance
• TSDB: Prometheus, InfluxDB, RRDtool, Graphite, Telegraf, OpenTSDB, TimescaleDB, tsdbadmin