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Building a Fast and Reliable Purging System

At Fastly, we’re always working to make our systems faster and more reliable. One of the more difficult problems we’ve faced is efficient cache invalidation across our global network, or as we call it: <a...

How Fastly Chooses POP Locations

Build a network that can scale indefinitely, be managed by a small crew of skilled ops and network engineers, and handle current web traffic and the next generation of protocols. Sounds impossible, right? …

API Caching, Part II

In Part 1, we covered the basics of using Fastly to accelerate a comments API. Using Instant Purge, we hooked into model callbacks to ensure that the appropriate content was purged from the...

New Fastly Logging Features

Over the last few months, we’ve completely overhauled Fastly’s entire logging infrastructure to keep up with our ever-increasing traffic. In addition to improving efficiency and reliability, we added features to make it easier for our…

Jason Cook at Linux Conference Australia 2014

Last week, Fastly engineer Jason Cook spoke about TCP tuning at the 2014 Linux Conference in Australia. His session covers tuning several aspects of your application and the underlying TCP stack to deliver the best…

Introducing Version Diff

Since day one, we’ve baked the concept of versions right into our system at a fundamental level. We want customers to feel empowered to try new things and to be able to quickly roll them...

5 Ways to Optimize for Holiday Traffic

During the holiday season, which normally accounts for 20-40% of total sales annually, it's critical for e-retailers to provide their users with a smooth, responsive shopping experience. Recent research has shown that <a...

API Caching, Part I

The web has come a long way since the 90s. In the past, sites were commonly driven by a single, monolithic application that acted as the only communication medium to a centralized database. The modern…

Reduce Page Load Times

Ensuring a smooth end user experience with short page load times - whether for shopping online, reading the news, or collaborating on software - is one of the main reasons Fastly customers use our Content…

Fastly at the Varnish User Group Meeting (VUG8)

Fastly Caching Software is built on Varnish Cache, an open source HTTP accelerator. We are big believers in open source - we provide free services for Ruby Gems, PyPI, Perl and Debian among others, and…

Fastly CDN Expands

At Fastly, we’re constantly working to upgrade our network and expand global capacity. Last week, we built up capacity in our Ashburn, New York City, and Los Angeles POPs and brought a new Miami POP…

Build Your Own Network

At Fastly, we’ve been steadily building the world’s most advanced CDN. Since our founding, we’ve expanded the public network to include 17 globally distributed points of presence (POPs) and are now serving more than 20…