r/PrometheusMonitoring is a subreddit with 13k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses prometheus, monitoring, metrics, kubernetes, and grafana.
Prometheus Monitoring subreddit
Popular Themes in r/PrometheusMonitoring
#1
Solution Requests
: "promcap, cap metric cardinality in-process, before a runaway label OOMs your stack"
31 posts
#2
Advice Requests
: "Best practices and ressources for querying Prometheus/Mimir via Python"
8 posts
#3
Ideas
: "I built a Blackbox exporter but lite using Bash"
8 posts
#4
Self-Promotion
: "I built a tool that finds Prometheus metrics nobody is actually querying and generates drop rules to clean them up"
8 posts
#5
Pain & Anger
: "Monitoring my homelab is more work than running the homelab itself"
6 posts
#6
News
: "Tried the new webhook parameter support in Alertmanager 0.32 - pretty useful"
3 posts
#7
Opportunities
: "Building a simple GCP ecosystem (Terraform + ArgoCD + Observability) feedback welcome"
1 post
Popular Topics in r/PrometheusMonitoring
#1
Prometheus
: "I built a tool that finds Prometheus metrics nobody is actually querying and generates drop rules to clean them up"
46 posts
#2
Monitoring
: "Alert fatigue is starting to defeat the purpose of Monitoring"
8 posts
#3
Metrics
: "I built a tool that finds Prometheus Metrics nobody is actually querying and generates drop rules to clean them up"
8 posts
#4
Kubernetes
: "I built a Prometheus unused-metric auditor and need help deciding how it should run in Kubernetes"
7 posts
#5
Grafana
: "Grafana dashboard for Claude Code metrics: consumes OTLP, queries in PromQL"
5 posts
#6
Exporter
: "Shelly Device Exporter — a Prometheus Exporter for Shelly Gen2+ smart plugs (Go)"
5 posts
#7
Alertmanager
: "Tried the new webhook parameter support in Alertmanager 0.32 - pretty useful"
4 posts
#8
Observability
: "Observability solution for high-volume data sync system?"
3 posts
#9
Alerts
: "Remove PVC from Alerts with label"
3 posts
#10
Prometheus Exporter
: "Shelly Device Exporter — a Prometheus Exporter for Shelly Gen2+ smart plugs (Go)"
3 posts
Member Growth in r/PrometheusMonitoring
Yearly
+2k members(16.2%)
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Last updated: October 1, 2026