Tag Archives: twitter

APIs Performance Testing with Twitter Iago

The article talks about performance testing tool, Iago, which is created at Twitter for testing their core database interfaces, storage sub-systems and domain logic, up to the systems accepting front end web requests. Performance requirement of Twitter platform? Simply speaking, end users expect to read & post tweets with a very fast response time and, Twitter is expected to respond in that manner irrespective of load arriving at it with absolutely no room for any slowness, whatsoever. That is a tough one, isn’t it? This is unlike many enterprise business systems where users can be a little forgiving by waiting for the response to show up. So, they needed to …

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Posted in Performance Engineering. Tagged with , .

What Javascript Frameworks are used at Twitter.com?


I have been doing research on what are some of the UI frameworks that are used at twitter.com. Following is a list of those UI frameworks, primarily Javascript. Please feel free to shout if you happen to know that one or more of the following frameworks ain’t actually used: Testing Jasmine: This is a javascript library. A behavior-driven development framework for testing JavaScript code. It does not depend on any other JavaScript frameworks. It does not require a DOM. And it has a clean, obvious syntax so that you can easily write tests. UI-based Sizzle: A pure-JavaScript CSS selector engine designed to be easily dropped in to a host library. Bootstrap: As …

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Posted in Tools. Tagged with , , , .