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Cloud Cover Episode 43 - Scalable Counters with Windows Azure

Posted: Apr 08, 2011 at 9:00 AM
By: Wade Wegner
Avg Rating: 5

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30 minutes, 13 seconds

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Join Wade and Steve each week as they cover the Windows Azure Platform. You can follow and interact with the show @CloudCoverShow.

In this episode, Steve and Wade explain the application architecture of their latest creation—the Apathy Button. Like many other popular buttons on the Internet, the Apathy Button has to deal with the basic challenge of concurrency. This concurrency challenge arises from multiple role instances—as well as multiple threads—all trying to update the same number. In this show, you'll learn a few approaches to solving this in Windows Azure.

In the news:

MSDN Magazine: Introducing the Windows Azure AppFabric Caching Service
New Windows Azure Code Quick Start samples are available
Japanese MVPs help out with relief efforts
Windows Azure helps to power eBay's iPad Marketplace sales

Grab the source code the Apathy Button
Steve's blog post on the application

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davewill here birdie birdie, get in my belly!

Apr 08, 2011 at 11:30 AM

Apathy Button - PERFECT! Its like an electronic stress ball.
gbrayut Check out PhraseMeme Scanner for Windows Phone at PhraseMeme.com

Apr 08, 2011 at 4:04 PM

Marginally decent show
Actually I was recently trying to figure out a way to do atomic increments using queues or table storage, so this gives me some good ideas. I really wanted a way that did not require proxying the requests through a web role to reduce scale-out costs, but after watching the show and seeing steve's response it looks like your approach would be best.
Thanks... can't wait to watch what is new next week at MIX!
MikeInOhio

Apr 09, 2011 at 4:54 PM

It looks like some people could care less than they did. I've been watching the progress go up but the last time I checked it was down
37544
37668
37710
37618 <-- ???
Is the counter decrease related to caching or are you updating the code to only recording unique per site?
Mark Tucker

Apr 12, 2011 at 2:55 PM

Steve & Wade care, so we don't have to.

Thanks for the episode.

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