Why is iTunes using so much data?

Posted by George on Super User See other posts from Super User or by George
Published on 2012-10-11T15:17:15Z Indexed on 2012/10/11 15:39 UTC
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Filed under:

networking

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osx-lion

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itunes

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bandwidth

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bandwidth-caps

I've been told by my ISP I'm using too much bandwidth so after using Activity Monitor to see that I'm using ~2GB a day I've used the nettop command line utility to work out where. Turns out it's iTunes.

I don't use it for downloading/streaming music (other than podcasts of which I definitely don't have 2GB of new ones a day) or movies. What is iTunes doing?

This is on a late 2009 MacBook running Lion 10.7.5 with iTunes version 10.7

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