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, grafana, and exporter.
Prometheus Monitoring subreddit
Popular Themes in r/PrometheusMonitoring
#1
Solution Requests
: "uncomplicated-alert-receiver 1.0.0: Show Prometheus Alertmanager alerts on heads up displays. No-Nonsense."
54 posts
#2
Advice Requests
: "why did tesla moved to clickhouse rather than horizontally scaling (cortex or thanos)?"
20 posts
#3
Self-Promotion
: "I built a tool that finds Prometheus metrics nobody is actually querying and generates drop rules to clean them up"
7 posts
#4
Ideas
: "Because real heroes build their own exporters"
6 posts
#5
Pain & Anger
: "I brought Prometheus memory usage down from 60GB to 20GB"
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 brought Prometheus memory usage down from 60GB to 20GB"
208 posts
#2
Monitoring
: "Alert fatigue is starting to defeat the purpose of Monitoring"
73 posts
#3
Metrics
: "I built a tool that finds Prometheus Metrics nobody is actually querying and generates drop rules to clean them up"
58 posts
#4
Grafana
: "Grafana dashboard for Claude Code metrics: consumes OTLP, queries in PromQL"
35 posts
#5
Exporter
: "rvidia-Exporter - Prometheus metrics Exporter for NVIDIA GPUs"
35 posts
#6
Alertmanager
: "Tried the new webhook parameter support in Alertmanager 0.32 - pretty useful"
29 posts
#7
Snmp
: "Can Snmp Exporter decode this as text?"
27 posts
#8
Metric
: "promcap, cap Metric cardinality in-process, before a runaway label OOMs your stack"
22 posts
#9
Thanos
: "why did tesla moved to clickhouse rather than horizontally scaling (cortex or Thanos)?"
16 posts
#10
Kubernetes
: "Wrote a guide on how I like setting up multi-tenant monitoring on Kubernetes using Prometheus"
16 posts
Member Growth in r/PrometheusMonitoring
Yearly
+2k members(19.2%)
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Last updated: June 26, 2026