lecture

Great Introductory Video on Scalability from Harvard Computer Science

High Scalability

Nov 24, 2010 — 1 min read

Professor David Malan gives a very good lecture on scalability for dynamic websites. It's not highly technical, it's an extension course, but it's a great introduction to a wide variety of topics. I really like his teaching style. He continually asks questions, prompts for input, and gives accessible explanations. Some of the topics covered: vertical scaling; horizontal scaling; PHP acceleration; load balancing: DNS, L7, sticky sessions, load balancers; caching; MySQL: replication, load balancing, partitioning, high availability.

Watch it on Academic Earth

This is one lecture in a series of 13 lectures on building dynamic websites. Students learn how to: build dynamic websites with Ajax and with Linux, Apache, MySQL, and PHP (LAMP); set up domain names with DNS; structure pages with XHTML and CSS how to program in JavaScript and PHP; configure Apacheand MySQL; design and query databases with SQL; use Ajax with both XML andJSON; build mashups.

For the lecture notes go to the OpenCourseWare site.

Read more

Capturing A Billion Emo(j)i-ons

Capturing A Billion Emo(j)i-ons

This blog post was written by Dedeepya Bonthu. This is a repost from her Medium article, approved by the author. In stadiums, sports fans love to express themselves by cheering for their favorite teams, holding up placards and team logos. Emoji’s allow fans at home to rapidly express themselves,

Brief History of Scaling Uber

Brief History of Scaling Uber

This blog post was written by Josh Clemm, Senior Director of Engineering at Uber Eats. This is a repost from his LinkedIn article, approved by the author. On a cold evening in Paris in 2008, Travis Kalanick and Garrett Camp couldn't get a cab. That's when

Behind AWS S3’s Massive Scale

Behind AWS S3’s Massive Scale

This is a guest article by Stanislav Kozlovski, an Apache Kafka Committer. If you would like to connect with Stanislav, you can do so on Twitter and LinkedIn. AWS S3 is a service every engineer is familiar with. It’s the service that popularized the notion of cold-storage to the

The Swedbank Outage shows that Change Controls don't work

This week I’ve been reading through the recent judgment from the Swedish FSA on the Swedbank outage. If you’re unfamiliar with this story, Swedbank had a major outage in April 2022 that was caused by an unapproved change to their IT systems. It temporarily left nearly a million