- Edit the prometheus.service file
vi /etc/systemd/system/prometheus.service
- add
"--storage.tsdb.retention.time=1y"
below to"ExecStart=/usr/local/bin/prometheus \"
line.
So the config will look like bellow for 1 year of data retention.
[Unit]
Description=Prometheus
Wants=network-online.target
After=network-online.target
[Service]
User=prometheus
Group=prometheus
Type=simple
ExecStart=/usr/local/bin/prometheus \
--config.file /etc/prometheus/prometheus.yml \
--storage.tsdb.path /var/lib/prometheus/ \
--web.console.templates=/etc/prometheus/consoles \
--web.console.libraries=/etc/prometheus/console_libraries \
--web.external-url=http://34.89.26.156:9090 \
--storage.tsdb.retention.time=1y
[Install]
WantedBy=multi-user.target