Exporters which I use always Prometheus documentation Prometheus Prometheus self-monitoring Docker Containers cAdvisor Databases VictoriaMetrics MySQL PostgreSQL PGBouncer Redis MongoDB Cassandra Brokers RabbitMQ Zookeeper Kafka Elasticsearch Proxies and load balancers Nginx HAProxy v.2 Traefik Runtimes PHP-FPM JVM Sidekiq Orchestrators Kubernetes Nomad Consul Etcd Linkerd Istio Network and storage Ceph ZFS OpenEBS MinIO Juniper CoreDNS Some Thanos Loki Promtail Jenkins VMware Node Exporter SSL/TLS