Last9 named a Gartner Cool Vendor in AI for SRE Observability for 2025! Read more →
Last9

Blog

Stories, guides, and lessons from the world of observability

PromQL: A Developer's Guide to Prometheus Query Language

PromQL: A Developer's Guide to Prometheus Query Language

Our developer’s guide breaks down Prometheus Query Language in an easy-to-understand way, helping you monitor and analyze your metrics like a pro.

Gabriel Diaz
Gabriel Diaz
PromQL for Beginners

PromQL for Beginners: Getting Started with Prometheus

New to Prometheus? My PromQL beginner's guide teaches you how to write queries, understand data types, and use key functions.

Gabriel Diaz
Gabriel Diaz
Implementing Hot Reload for OpenTelemetry Collector: A Step-by-Step Guide

Hot Reload for OpenTelemetry Collector: Step-by-Step Guide

Learn to enable hot reload for the OpenTelemetry Collector to update configurations on the fly, improving your observability system's agility.

Prathamesh Sonpatki
Prathamesh Sonpatki
OpenTelemetry Filelog Receiver: Collecting Kubernetes Logs

OpenTelemetry Filelog Receiver: Collecting Kubernetes Logs

Learn to configure, optimize, and troubleshoot log collection from various sources including syslog and application logs. Discover advanced parser operator techniques for robust observability.

Prathamesh Sonpatki
Prathamesh Sonpatki

What is Prometheus

What is Prometheus, how to use it and challenges of scaling Prometheus

Gabriel Diaz
Gabriel Diaz
Python Logging Best Practices: The Ultimate Guide

Python Logging Best Practices: The Ultimate Guide

This guide covers setting up logging, avoiding common mistakes, and applying advanced techniques to improve your debugging process, whether you’re working with small scripts or large applications.

Anjali Udasi
Anjali Udasi
2024's Best Cloud Monitoring Tools

2024's Best Cloud Monitoring Tools: Updated Insights

Get a detailed look at the top cloud monitoring tools of 2024. Compare leading solutions to understand their features and performance, helping you choose the best fit for your cloud infrastructure.

Anjali Udasi
Anjali Udasi
Top Observability Best Practices for Microservices in 2024

Top Observability Best Practices for Microservices in 2024

Practical tips for monitoring, analyzing, and improving system performance.

Anjali Udasi
Anjali Udasi
7 Top Splunk Alternatives for 2025

7 Splunk Alternatives Worth Checking Out in 2025

Explore Splunk alternatives like ELK, Last9 Levitate, Graylog, and Datadog. Compare features, pricing, and scalability for log management and observability.

Prathamesh Sonpatki
Prathamesh Sonpatki