Vibe monitoring with Last9 MCP: Ask your agent to fix production issues! Setup →
Last9 Last9

Blog

Stories, guides, and lessons from the world of observability

Follow us on X
Database Monitoring Metrics: What to Track & Why It Matters

Database Monitoring Metrics: What to Track & Why It Matters

Not all database metrics are created equal. Learn which ones to track, why they matter, and how they help you stay ahead of performance issues.

Faiz Shaikh
Faiz Shaikh
Histogram Buckets in Prometheus Made Simple

Histogram Buckets in Prometheus Made Simple

Learn how Prometheus histogram buckets work, why they matter, and how to fine-tune them for better observability and smarter alerting.

Prathamesh Sonpatki
Prathamesh Sonpatki
How to Use OpenTelemetry with Postgres

How to Use OpenTelemetry with Postgres

Learn how to set up OpenTelemetry with Postgres to trace queries, monitor performance, and get better visibility into your database activity.

Prathamesh Sonpatki
Prathamesh Sonpatki
Logging and Monitoring: What’s the Real Difference?

Logging vs Monitoring: What’s the Real Difference?

Logging and monitoring work together, but they’re not the same. Here’s how they help you understand, fix, and improve your systems.

Anjali Udasi
Anjali Udasi
Debug Logging: A Comprehensive Guide for Developers

Debug Logging: A Comprehensive Guide for Developers

A clear guide to debug logging—what it is, how to use it well, and why it matters when you're trying to understand what your code is doing.

Anjali Udasi
Anjali Udasi
Observability vs APM: What’s the Real Difference?

Observability vs APM: What’s the Real Difference?

Observability goes beyond APM—it's not just about metrics, it's about understanding why things break, not just that they did.

Anjali Udasi
Anjali Udasi
How to Use Prometheus for APM

How to Use Prometheus for APM

Learn how to turn Prometheus into a powerful APM tool—track app performance, reduce guesswork, and get real visibility into your systems.

Prathamesh Sonpatki
Prathamesh Sonpatki
The DevOps Engineer's Handbook to Regex Optimization

Regex Optimization Techniques: 14 Methods for DevOps Performance

A practical guide to writing better regex—cleaner, faster patterns that won’t trip up your logs, scripts, or search tools.

Anjali Udasi
Anjali Udasi
HAProxy vs NGINX Performance: A Comprehensive Analysis

HAProxy vs NGINX Performance: A Comprehensive Analysis

Compare HAProxy and NGINX performance with real-world insights. Find out which one handles traffic, load, and speed better for your setup.

Faiz Shaikh
Faiz Shaikh