This week, Zephy McKanna sets out to explain Multi-Armed bandits. Here at Wayfair, we are constantly testing new algorithms, product sort orders, marketing, and other messages using epsilon-first Multi-Armed Bandits – also known as A/B tests. We are also employing some more interesting MAB algorithms, like Thompson Sampling, to dynamically…
So, you graduated college, spent half a decade in a quantitative PhD program, maybe took a postdoctoral fellowship….and now what? You may want to stay the course and pursue a tenure track faculty position at a university–or, you may not. While the pressure to remain within the academy post PhD…
Top left to right: Yumeng Ma (University of Michigan), Steven Yin (Columbia), Michael Spece, Carnegie Mellon University), Quinn Donahoe (University of Pittsburgh), Cristian Gavrus (UC Berkeley) Bottom left to right: Ai Xu (Harvard), Elyse Norton (NYU), Aybike Ulusan (Northeastern),Yuija Zhou (Boston University) It’s safe to say that Wayfair’s Data…
Catchpoint is running an event today, called “WebPerf on Location Boston”, part of a series of such events in different cities. It starts at 2, and our very own Jack Wood, Wayfair CIO, is speaking at 3:30. Details and the link to register are here. It’s at Battery Ventures in…
Wayfair recently deployed Steelhead WAN optimizers in our network. We were unsatisfied with the 3 (2.5?) main suggested methods of deployment from Riverbed. So we designed our own deployment. But first, the vendor suggested methods: Physical In-Path – Physically puts the device in-line with your traffic, easy deployment, but if…
Wayfair was invited to be a sponsor at this year’s Beanpot Hackathon (link: http://www.hackbeanpot.com/), held last week at the Microsoft NERD center in Cambridge. The concept of a hackathon is so closely related to our core values, that we jumped at the opportunity to participate. Wylie Conlon, along with others…
Last winter we were discussing all of our upcoming projects, and what they would require for new hardware in the datacenter. Then we took a look at the space we had in our cage space at our main datacenter. Turns out, we didn’t have enough space, and the facility wouldn’t…
It started as a proof of concept prototype in the fall of 2010. The idea came from a meeting where we were discussing the porting of our storefront codebase from classic ASP to PHP. One of the discussion points was how to avoid simply porting the same logic from one…
At Wayfair, we are never done. And the DBA team here is a true example of it. We are constantly looking to improve performance and we rigorously tune our databases on a daily basis. We are always looking at ways to have our queries run faster – by maintaining indexes,…
FreeBSD has spent the last few years implementing awesome Solaris-based features such as DTrace and ZFS. Here at Wayfair, we use FreeBSD on our servers and our development environments. As a security engineer for Wayfair, I’m tasked with many fun projects. I get to test out different configurations and applications…
