Archive for the ‘Uncategorized’ Category
Load Testing: Emulated or real browsers?
Posted by: perfwork on: February 15, 2012
Enterprise applications are typically tested for load, performance and scalability using a driver that emulates a real client by sending requests to the applications similar to what a real user would. For web applications, the client is usually a browser and the driver is a simple Http client. The emulated http clients can be extremely [...]
Re-launched Faban site
Posted by: perfwork on: February 6, 2012
I finally found some time to re-design the Faban site. For those of you who haven’t heard of it, Faban is a performance test automation tool and framework. The new site is obviously not the best in terms of design, aesthetics, consistency, etc. but at least it didn’t take a whole lot of time. The [...]
Starting anew
Posted by: perfwork on: October 22, 2010
After 18 years at Sun (the last 6 at Oracle), I finally called it quits. Last week, I began anew at Yahoo! I will still be focused on performance, but this time on end user performance. At Sun, we were extremely focused on server-side performance. Our primary metric was throughput. We worried about scalability. Does [...]
Velocity 2010 Impressions
Posted by: perfwork on: June 24, 2010
- In: Performance | Uncategorized | web2.0
- 3 Comments
Velocity 2010 came to an end today. I attended all 3 days – it was a great conference. I did not attend last year, but the crowds this year must have been at least 3 times that of 2008, when I first presented at Velocity. Here are some of my thoughts on the conference. Performance [...]
Measuring CPU Utilization on EC2
Posted by: perfwork on: March 20, 2010
Many web applications are now moving to the cloud where configurations are difficult to understand; see for example, Amazon Web Services (AWS) definition of EC2 Compute Unit. How does one determine how many instances of what type are required to run an application ? Typical capacity planning exercises start by doing measurements. So for example, [...]
Startup Weekend
Posted by: perfwork on: November 23, 2009
I attended the Bay Area Startup Weekend in Mountain View this previous week-end. This was the first such event I attended and it was an amazing experience – so I thought I’d share it. The idea behind the event was that a bunch of folks would show up, some of them would pitch ideas for [...]
