AWS Data transfer costs can become a massive part of your monthly infrastructure bill if left unchecked. Often, some of the data transfer costs can be reduced or entirely eliminated by understanding what is charged and where and then slightly modifying your infrastructure or application logic. This blog post is meant...
It's a well-known fact that there are two difficult problems in computer science: naming things cache invalidation off by one error In this post, we're going to talk about the first one, cache invalidation. Not a long time ago, we got a support request from one of our client's developers with the following issue: We deployed...
Puppet is an open-core configuration management tool that significantly simplifies infrastructure management, especially when sysadmins have to deal with a large number of servers. Essentially, with its declarative language, Puppet allows sysadmins to describe the desired system state in high-level terms - e.g. users, installed packages, enabled services, configuration files, etc. Puppet...
So what is DevOps? In a nutshell, DevOps is a combination of development and operations. So what does that exactly mean? First, it's easier to say what DevOps isn't - it's not a technology, programming language or a standard. Many DevOps supporters will say DevOps is a culture or a movement -...
If you decided it’s time to invest in a new and improved infrastructure, you’re probably wondering how to do a webshop migration without knocking it offline. To help you with this process, we’ve described how we prepare for the webshop migration, what steps do we take to ensure everything goes...
When considering PHP applications monitoring, it’s essential to monitor not only the application itself but the services on which the application depends, as well as the infrastructure hosting the application. Detecting performance bottlenecks and debugging problems can otherwise be very tricky, and unexpected downtime may occur. Infrastructure monitoring Our advanced monitoring system...
