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, metrics, monitoring, kubernetes, and alerts.
Prometheus Monitoring subreddit
Popular Themes in r/PrometheusMonitoring
#1
Solution Requests
: "promcap, cap metric cardinality in-process, before a runaway label OOMs your stack"
36 posts
#2
Advice Requests
: "How does scraping /metrics work in detail?"
10 posts
#3
Ideas
: "I built a Blackbox exporter but lite using Bash"
10 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"
7 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"
48 posts
#2
Metrics
: "I built a tool that finds Prometheus Metrics nobody is actually querying and generates drop rules to clean them up"
12 posts
#3
Monitoring
: "Alert fatigue is starting to defeat the purpose of Monitoring"
8 posts
#4
Kubernetes
: "I built a Prometheus unused-metric auditor and need help deciding how it should run in Kubernetes"
7 posts
#5
Alerts
: "Remove PVC from Alerts with label"
6 posts
#6
Grafana
: "Grafana dashboard for Claude Code metrics: consumes OTLP, queries in PromQL"
6 posts
#7
Alertmanager
: "Tried the new webhook parameter support in Alertmanager 0.32 - pretty useful"
4 posts
#8
Tool
: "I built a Tool that finds Prometheus metrics nobody is actually querying and generates drop rules to clean them up"
3 posts
#9
Observability
: "Observability solution for high-volume data sync system?"
3 posts
#10
Struggling
2 posts
Member Growth in r/PrometheusMonitoring
Yearly
+2k members(16.8%)
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Last updated: September 20, 2026