Pork. The Other HighScalability:
PlentyOfFish: 6 Billion Page Views; World: info doubling every 2 years; 2015: 7,910 exabytes of global digital data; Khan Academy: 4 million uniques; G+: 62 million users; Zynga: leased 9 megawatts of …
Month: December 2011
Strategy: Guaranteed Availability Requires Reserving Instances in Specific Zones
When EC2 first started the mental model was of a magic Pez dispenser supplying an infinite stream of instances in any desired flavor. If you needed an instance, because of a either a failure or traffic spike, it would be there. As amazing as EC2 is, t…
PlentyOfFish Update – 6 Billion Pageviews and 32 Billion Images a Month
Markus has a short update on their PlentyOfFish Architecture. Impressive November statistics:
6 billion pageviews served
32 billion images served
6 million logins in one day
IM servers handle about 30 billion pageviews
11 webservers (5 of w…
Citrix Protocol on LoadRunner – Tips and Tricks Part 2
This blog is continuation to my last blog ‘Citrix Protocol on LoadRunner – Tips and Tricks Part 1’. In this article, I will discuss more tips that can be helpful when working with the Citrix_ICA protocol and LoadRunner. Number of vusers per LoadGenerator Machine: A LoadGenerator machine can run only a limited number of Citrix […]
Linking third party libraries (Boost) with Forecast
In this article I will explain how to set up Forecast so you can use third party libraries. This is an extremely powerful feature that allows you to leverage code written by others to solve common problems. In this example I will use Boost library as an example and Boost.Regex to be more precise. The first […]
2012 predictions: The average web page will hit 1 MB, Google and Siri will face off, and Chrome, Windows 7, and RUM will rise
It wouldn’t be December without an avalanche of predictions for 2012. Here’s my contribution.
Citrix Protocol on LoadRunner – Tips and Tricks Part 1
In this article, I am going to highlight some tips that can be helpful to performance test engineers to effectively work on Citrix applications. By understanding and implementing these points, script debug and test execution will be a lot easier. Points to consider while recording Citrix Vuser scripts simulate the Citrix ICA protocol communication between […]
OReilly Radar interview: You cant get away with a bad mobile experience anymore
Last week, Mac Slocum invited me to chat with him about mobile web performance. He had some great questions about apps versus mobile sites, common optimization mistakes, and whether or not different device owners have different expectations when it comes to performance.
Scripting RMI with Loadrunner VuGen 9.5x and 11
The Java Remote Method Invocation (RMI) is a Java application programming interface that supports an object-oriented way of remote procedure calls (RPC). In this article I show you two ways to create performance tests scripts with Loadrunner for RMI-driven applications. As RMI is a Java-specific protocol, the Java vuser or the Java Record replay protocols mush […]
Using Web Analytics for Modeling Application Usage in Performance Tests
In my last article, I wrote about the paradigm shift in web application architecture and why performance testers have to re-think their strategy around testing Rich Internet Applications (RIA) for performance. Web application development processes and …
