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changes.mady.by.user Aaron Enfield

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changes.mady.by.user Milton Suen

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  1. Edit the prometheus.service file

    Code Block
    vi /etcusr/lib/systemd/system/prometheus.service

  2. Change the value of “--storage.tsdb.retention.time=15d" below to "ExecStart=/usr/local/bin/prometheus \" line.
    The config will look like below for 45 days of data retention. (e.g. 1 year: 1y or 365d)

    Code Block
    # /etc/systemd/system/prometheus.service
[Unit]
Description=Prometheus Server
Documentation=https://prometheus.io/docs/introduction/overview/
After=network-online.target

[Service]
User=prometheus
Restart=on-failure
ExecStart=/usr/local/bin/prometheus \
                                --config.file=/etc/prometheus/prometheus.yml \
                                --storage.tsdb.path=/var/lib/prometheus/data \
                                --storage.tsdb.retention.time=45d \
                                --web.console.templates=/etc/prometheus/consoles \
                                --web.console.libraries=/etc/prometheus/console_libraries

[Install]
WantedBy=multi-user.target

  3. Reload systemd manager configuration

    Code Block
    systemctl daemon-reload

  4. Restart Prometheus service

    Code Block
    systemctl restart prometheus

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