Videos tagged with Velocity 2009

There’re lots of load balancing algorithms: Stupid L4 (round robin) Slightly smarter L4 (least connection, weighted RR, etc) L7, or inspection based load balancing. Perlbal. Guess that’s also L7 In this session we’ll briefly go over each of the basic load balancing algorithms as they’re implemented in popular open source load balancers. In a second half we’ll show ...

Live on the main stage: the latest tools you need to analyze websites, including AOL PageTest, HttpWatch, YSlow 2.0, and Visual Round Trip Analyzer. AOL PageTest – Eric Goldsmith (AOL, LLC) AOL PageTest was introduced at Velocity 2008. This presentation provides an introduction for new users, as well as an update on new features for existing users. Both ...

Jesse Robbins and Steve Souders welcome you to Velocity 2009! Jesse Robbins Opscode & O'Reilly Radar Jesse Robbins (@jesserobbins) is CEO of Opscode and a recognized expert in Infrastructure, Web Operations, and Emergency Management. He serves as co-chair of the Velocity Web Performance & Operations Conference and contributes to the O’Reilly Rada...

Jonathan Heiliger Facebook Jonathan Heiliger is the Vice President of Technical Operations at Facebook, where he oversees global infrastructure, site architecture and IT. Prior to Facebook, he was a technology advisor to several early-stage companies in connection with Index Ventures and Sequoia Capital. He formerly led the engineering team at Walmart.com, where he was responsible for infrastru...

We took very small percentages of our users and slowed the page down in several ways Added server side delays Added additional page weight to different parts of our page Added client side rendering delays We then measured how each of these changes impacted metrics like clicks, time to click, repeat site usage, queries per visit, revenue, etc. This talk is to share the results. Eric Schurman Mic...

The ‘Next Web’ is defined by vastly expanded levels of interactivity driven by technologies such as Flash and Silverlight. The ‘Next Web’ brings consumers a new level of rich online experiences including composite e-business transactions that seamlessly integrate interactive video and voice, and social media and Web-to-mobile transactions. At Velocity, Keynote introduces...

Picnik has seen both the good and the bad when it comes to the cloud. Yeah, it lets you scale some or all of your infrastructure dynamically. It also has a very low cost of entry. However, it also can be frustrating when it comes to communication, problems, and downtime. Perhaps more importantly, cloud services can make you lazy. Why worry too much about deleting files when you have (more or le...

Page Speed is an open source Firebug add-on that gives suggestions on how to improve web page performance. In this talk, we describe the open development model that we have adopted for Page Speed and the importance of decreasing latency to make web applications more responsive. We will cover some of the innovative features of Page Speed that we have used at Google, including identifying ineffic...

In this session, Jeremy Bingham will discuss: Initial problems and bottlenecks at the beginning of the primary election season. How optimizing MySQL and the backend improved performance. How moving to lighttpd and moving page caching into lighttpd with a custom module greatly improved performance. How moving to newer and less hardware improved performance, and how it was done. And how sometimes...

Marissa Mayer Google Marissa leads Google’s efforts on search products – web search, images, news, books, products, maps, – and other consumer-facing initiatives such as iGoogle, Google Earth, Google Chrome, and more. Her contributions have included designing and developing Google’s search interface, internationalizing the site to over 100 languages, and launching more t...