All articles tagged Devops & Performance

Launching a website can be an exciting but nerve-wracking experience. With so many moving parts in the website development process, it’s easy to overlook small details that can significantly impact the user experience. To help you avoid potential issues, we’ve …

Virtualization technologies have been around for a while in various forms and over the last several years the container style of virtualization has become popular as a complement (or replacement) to VMs (Virtual Machines / hypervisors). The first half of …

The most famous quote to characterize python speed is: It is fast enough I have used this quote many times, and I still believe that it applies to most circumstances if you throw enough hardware at the problem. Despite Python …

Building a cluster in the cloud is becoming a mundane step that you have to do several times during the life cycle of a project. There are multiple driving forces behind this fact: Initial set up Redundancy Setting up an …

Last month I had some time to take a closer look at how our website was performing from a pure speed perspective. It’s a pretty simple site, a bit less than 400kb total and very different from that of most …

Part of my job at Lincoln Loop is to explore new technologies and make sure that, as a company, we stay current. I’ve been playing around with Docker for a while, but recently decided to redeploy some of our production …

Upstart is a ridiculously easy way to turn your scripts into daemons. Take this python script: /home/myuser/ez_daemon.py: import time while 1: print("I'm a daemon!") time.sleep(1) We&#8217;re going to turn it into a daemon with <strong>a single line</strong>: /etc/init/ez_daemon.conf: exec python …

Without patching, the rsync utility lacks support to detect when a file was renamed/moved across multiple directories inside the synced tree. There is a &ndash;&ndash;fuzzy option to save bandwidth by building upon similar files on the target side, but only …

Recently we noticed some intermittent slow downs with our Gondola sites and wanted to track down the source of the issue. Our sites are all Django projects served by Apache/mod_wsgi behind an Nginx frontend proxy. Nginx’s upstream module makes the …

I really like supervisord for long-running process management. It is Python, so it is easy to install and it is easy to script with tools like Fabric. Lately I’ve been deploying smaller Django/WSGI sites with Green Unicorn behind Nginx proxied …