What is Linux iowait? (Explained With Examples)
iowait (wait, wa, %iowait, wait%, or I/O wait) is often displayed by command-line Linux system monitoring tools such as top, sar, atop, and others. On its own, it’s one of many performance stats that…
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50 Top Observability and Monitoring Solutions – 2026
“A more targeted list that includes 50 server and observability solutions for 2026” Back in 2014, I compiled a list of top server and application performance monitoring solutions. Sharing that list publicly was a great…
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Free Linux Server Monitoring and APM solutions for SysAdmins
Today’s software applications require developers, testers, and SysAdmins to work together (DevSecOps) more seamlessly than ever before. A single line of code or poorly configured service can negatively impact your application’s performance, causing…
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Observability in 5 minutes. Plus, 20 observability software vendors
Previously we’ve covered the future of APM (application performance monitoring) and the expansion of APM into observability. Followed by the race between software vendors to define observability. Most recently, we looked at the evolution…
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Cloudflare outage on Nov 18, 2025 – Waking up to a broken internet
Cloudflare is one of those companies most people never think about, yet on mornings like this it suddenly becomes the main character. Its network sits in front of millions of sites, speeding them…
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Linux top: Here’s how to customize it
The top command (referred to below as Linux top) is a command on Unix and Unix-like systems such as Linux, which provides a dynamic real-time overview of a running system. It can display system…
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Recommended Cloudflare Performance and Security Settings (Guide)
Cloudflare is a great tool for website performance and security. They have a whole suite of tools to help with performance and security and are a staple in millions of DevOps professional’s toolbox….
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100 Top Observability Tools (+ Server Monitoring and APM solutions)
Looking for application monitoring and observability solutions? On this page, I’ve listed the top application performance monitoring (APM), infrastructure monitoring, and observability solutions to date. The listings are updated periodically as APM and…
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btop – the htop alternative
Have you ever experienced slow application performance on a server and wondered which process was causing the bottleneck? In a production server environment, monitoring system performance and hardware resource usage in real-time is…
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Monitoring PHP Performance and Diagnosing Bottlenecks
As one of the most widely used scripting languages for web development, PHP is known for its flexibility and ease of use. However, with complex applications and increasing traffic, PHP performance can sometimes…
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Observability Platforms at a Glance: Which One Suits Your Needs Best?
Observability is a critical aspect of modern software development, providing teams with the ability to monitor and understand the performance of their applications and infrastructure. Recently, several companies have emerged as leaders in…
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What is observability?
Leading software vendors have completed the expansion from traditional monitoring to full observability. However, there’s still a knowledge gap for customers interested in observability. As a result, some are left feeling a bit…
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Observability: 15 Industry-Leading Companies Discuss its Evolution
In this article, you’ll find recent commentary from executives and decision-makers of industry-leading observability providers on two key questions regarding the evolution of observability. Published: May 17th, 2021 | Updated: Aug 1st, 2024….
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Attain Peak Redis Server Performance with Proactive Monitoring
Remote Dictionary Server (Redis) is an open-source NoSQL database that comprises of a fast, in-memory data structure to store data in key-value pairs. It serves as a fast and highly efficient data store…
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Enhance the performance of MongoDB databases with proactive MongoDB monitoring
MongoDB is an open-source NoSQL database management system that stores data in JSON-like documents. It’s designed to handle large volumes of data with a document-oriented architecture and can operate without a predefined schema,…
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Top Serverless Monitoring Tools + Serverless Resources
Every few weeks, I will edit and add to this list of Top Serverless Monitoring Tools/Solutions. These tools represent the current recommended Serverless Monitoring Tools. Table of Contents What is Serverless Computing? The…
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Observability, Getting Started – 50 Free Access and Open-Source Solutions
So, what is observability? Well, rather than adding to the many different published definitions, I’ll point you to a few articles and pages recently published (all within the past six months) by some…
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MySQL Performance Tuning: Tips, Scripts and Tools
MySQLTuner supports Galera Cluster, TokuDB, Performance schema, Linux OS metrics, InnoDB, MyISAM, Aria, etc. – MySQLTuner on Github. You cannot replace Professional MySQL tuning with scripts. Scripts serve as essential guides, sometimes spot-on,…
