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, grafana, and kubernetes.
Prometheus Monitoring subreddit
Popular Themes in r/PrometheusMonitoring
#1
Solution Requests
: "promcap, cap metric cardinality in-process, before a runaway label OOMs your stack"
29 posts
#2
Advice Requests
: "How Shopify Reduced Metrics Resources by 75%"
9 posts
#3
Self-Promotion
: "I built a tool that finds Prometheus metrics nobody is actually querying and generates drop rules to clean them up"
9 posts
#4
Ideas
: "I built a Blackbox exporter but lite using Bash"
5 posts
#5
Pain & Anger
: "Monitoring my homelab is more work than running the homelab itself"
4 posts
#6
News
: "Tried the new webhook parameter support in Alertmanager 0.32 - pretty useful"
2 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"
44 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
Grafana
: "Grafana dashboard for Claude Code metrics: consumes OTLP, queries in PromQL"
6 posts
#5
Kubernetes
: "I added special Prometheus support to this Kubernetes Skill (Claude Code and Codex)"
5 posts
#6
Alert
: "Alert rule is showing that the expression is satisfied. However Alert is not firing"
4 posts
#7
Alerts
: "Remove PVC from Alerts with label"
4 posts
#8
Tool
: "I built a Tool that finds Prometheus metrics nobody is actually querying and generates drop rules to clean them up"
4 posts
#9
Alertmanager
: "Tried the new webhook parameter support in Alertmanager 0.32 - pretty useful"
3 posts
#10
Observability
: "Observability solution for high-volume data sync system?"
3 posts
Member Growth in r/PrometheusMonitoring
Yearly
+2k members(18.4%)
Similar Subreddits to r/PrometheusMonitoring
r/grafana
25k members
23.8% / yr
r/Monitoring
4k members
132.4% / yr
r/Observability
5k members
219.1% / yr
r/OpenTelemetry
4k members
92.0% / yr
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Last updated: July 23, 2026