Observability in 5 minutes. Plus, 20 observability software vendors

In just a little over a year, 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 of observability as shared by industry-leading software vendors. This article will be answering the following questions […]

“MySQL server has gone away” error – Solution(s)

The MySQL server has gone away error, means that MySQL server (mysqld) timed out and closed the connection. By default, MySQL will close connections after eight hours (28800 seconds) if nothing happens. However, in some cases, your web host, DBA, or app developer may have decreased this timeout setting, discussed below. MySQL server has gone […]

Memcache PHP Extensions for Memcached Caching Daemon

Memcached (Memcache Daemon) is a caching daemon designed especially for dynamic web applications to decrease database load by storing objects in memory. It is commonly used to speed up dynamic database-driven websites by caching data and objects in server memory to reduce the number of times the data source must be read. Memcached is free […]

Analyze Your Website’s TTFB (Time to First Byte)

Have you improved the load time of your websites and web applications recently? Or, maybe your web store or other web app is now slower to respond as you’ve added more features or due to data growth? The time it takes for your web applications to respond when users visit is more important than ever […]

Redis Monitoring: Redis-stat and other Redis tools

Popular web services such as Twitter, GitHub, Pinterest, Snapchat, StackOverflow, and others use Redis (Remote dictionary server) because of its ability to deliver small pieces of information VERY quickly. Similar to Memcached, Redis stores data in memory. When compared to Memcached, Redis can do a lot more. This post contains an updated list of the […]

PHP performance: oPcache Control Panels

OPcache is a PHP extension that improves PHP performance by storing precompiled script bytecode in shared memory, thereby removing the need for PHP to load and parse scripts on each request. The extension is built-in for PHP 5.5+. If you are looking to improve PHP performance, the first step should be to use PHP 7.4+, […]

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 for two key questions regarding the evolution of observability. First published: May 17th, 2021 Layout updated: July 23rd, 2021 The observability cloud continues to expand and evolve rapidly. Over the past year, millions of workers left their offices to work […]

PHP-FPM tuning: Using ‘pm static’ for max performance

Let’s take a very quick look at how best to set up PHP-FPM for high throughput, low latency, and more stable use of CPU and memory. By default, most setups have PHP-FPM’s PM (process manager) string set to dynamic and there’s also the common advice to use ondemand if you suffer from available memory issues. However, let’s compare the two management […]

Set PHP realpath_cache_size ‘correctly’

Back in 2012 I started enabling PHP realpath_cache_size and realpath_cache_ttl for the performance benefits. At the time, I followed settings I found here (has since been deleted). It bugged me that I was blindly setting the size of the cache without actually knowing how much storage was being used. In this post I will show you how to […]