Behind the scenes of streaming TWiT.tv’s iPad special

Monitoring TWiT servers while waiting for the news

I guess everyone interested in technology, spent the last 2 hours following Apple’s iPad announcement. One of the leading media networks that have been covering the announcement live was TWiT.tv.

We’re happy to share with you that TWiT.tv’s iPad / iPhone and Roku stream is hosted on one of our servers using Wowza for HTTP Live Streaming.

Now handling a peak like that is normally a big challenge, with there being a substantial increase of live viewers, so we decided to keep an eye on the single fine tuned dedicated server, to make sure that no viewer would be left out. Here are some of the stats we saw:

Network Throughput

One of the challenges with video is that you continuously need a large amount of bandwidth in comparison to just serving web pages.

MRTG Graph

As you can see on the graph above, the single server had a peak network output of 1203.2Mbit/s. That’s more than a Gigabit per second!

CPU Load

The server boasting 2 quad core CPU’s didn’t even break a sweat. With Wowza being set up to share the load across the different CPUs and cores, it never broke a sweat while streaming the 720p stream to more than a thousand users simultaneously.

We’re looking forward to the next big event and breaking the 2Gbit/s mark! Oh, and in case you missed the live stream, you can watch the special here.

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