Write YARN applications metrics for prometheus node_exporter textfile collector.
sudo pip install yarn-apps-exporter
Check that it runs correctly:
sudo yarn-apps-exporter http://resource.manager.hostname:8088
cat /opt/prometheus/exporters/node_exporter_current/yarn_apps.prom
Add systemd service:
sudo tee /etc/systemd/system/yarn-apps-exporter.service << EOF
[Unit]
Description=Write YARN apps metrics for node_exporter textfile
[Service]
ExecStart=/usr/local/bin/yarn-apps-exporter http://resource.manager.hostname:8088
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl start yarn-apps-exporter
sudo systemctl enable yarn-apps-exporter