PROMETHEUS, GRAFANA & MONITORING · DAY 006
Labels and cardinality: a practical guide for developers
Expona Admin · Oct 27, 2026 · 6 min read
Tag · 772 articles · 1 interview series
#Performance
Practical Performance articles, guides and code examples from the Expona engineering blog.
Articles
772 articles
PROMETHEUS, GRAFANA & MONITORING · DAY 008
PromQL examples you will use daily: a step-by-step guide
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 011
Histograms and percentiles: a practical Monitoring guide
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 013
Recording rules: what every Monitoring developer should know
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 018
Grafana dashboard tutorial: a practical Monitoring guide
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 023
The four golden signals: real-world lessons and examples
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 025
Monitor Node.js with Prometheus: lessons from production
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 028
Monitoring Python apps: a practical guide for developers
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 030
Node exporter: what every Monitoring developer should know
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 031
Monitoring PostgreSQL: a practical guide for developers
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 032
Monitoring Redis: a practical guide for developers
Expona Admin · Oct 27, 2026 · 5 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 036
Prometheus in Kubernetes: a hands-on guide for engineers
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 039
SLOs explained: what every Monitoring developer should know
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 040
Burn rate alerts: Monitoring best practices explained
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 041
Choosing good SLIs: Monitoring best practices explained
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 050
Scaling Prometheus: Monitoring best practices explained
Expona Admin · Oct 27, 2026 · 6 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 054
Controlling cardinality: real-world lessons and examples
Expona Admin · Oct 27, 2026 · 5 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 061
Monitoring Kafka: a practical guide for developers
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 065
Monitoring frontend performance: lessons from production
Expona Admin · Oct 27, 2026 · 7 min read
PROMETHEUS, GRAFANA & MONITORING · DAY 067
Writing runbooks: Monitoring best practices explained
Expona Admin · Oct 27, 2026 · 10 min read