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
Essential Prometheus Queries: Simple to Advanced

Essential Prometheus Queries: Simple to Advanced

Learn essential Prometheus queries, from simple to advanced, to monitor, troubleshoot, and optimize your systems with confidence.

Anjali Udasi
Anjali Udasi
How to Set Up Logging in Node.js (Without Overthinking It)

How to Set Up Logging in Node.js (Without Overthinking It)

Set up logging in Node.js without the headache—learn the essentials, pick the right tools, and keep it simple yet effective.

Preeti Dewani
Preeti Dewani
The Complete Guide to Monitoring Container CPU Usage

The Complete Guide to Monitoring Container CPU Usage

Find out how to track container CPU usage, catch performance issues early, and keep your workloads running efficiently.

Anjali Udasi
Anjali Udasi
A Practical Guide to the OpenTelemetry Java Agent

A Practical Guide to the OpenTelemetry Java Agent

Learn how to set up, configure, and optimize the OpenTelemetry Java Agent for better observability and performance monitoring.

Prathamesh Sonpatki
Prathamesh Sonpatki
How Do Dropwizard Metrics Help Monitor Application Performance?

How Do Dropwizard Metrics Help Monitor Application Performance?

Learn how Dropwizard Metrics tracks performance, latency, and system health, helping you monitor and optimize your applications effectively.

Anjali Udasi
Anjali Udasi
What is Log Data? The SRE's Essential Guide

What is Log Data? The SRE's Essential Guide

Learn how log data helps SREs debug issues, monitor performance, and understand system behavior effectively.

Anjali Udasi
Anjali Udasi
What Are the Performance Implications of High Cardinality in Time-Series Databases?

Performance Impact of High Cardinality in Time-Series DBs

High cardinality in time-series databases can slow queries, increase storage costs, and strain indexing. Here’s how it impacts performance and scaling.

Anjali Udasi
Anjali Udasi
Syslog Monitoring: A Guide to Log Management and Analysis

Syslog Monitoring: A Guide to Log Management and Analysis

Master syslog monitoring to track system events, troubleshoot issues faster, and keep your infrastructure running smoothly.

Anjali Udasi
Anjali Udasi
Prometheus Port Configuration: A Comprehensive Guide

Prometheus Port Configuration: A Detailed Guide

Learn how to configure Prometheus ports correctly, whether using defaults or custom settings, to keep your monitoring setup running smoothly.

Prathamesh Sonpatki
Prathamesh Sonpatki