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maximum upload config of programs

Posted on 2010-08-16
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Last Modified: 2012-05-10

Hi,

I have an online backup program, when syncing it uses 100% upload, which slows down the entire internet here while backing up

I was wondering, if there is a mac "tweak" to slow down the upload of some programs to 25%?

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Question by:ads711
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by:et01267
ID: 33445066
No, there is no native MacOS feature to limit network bandwidth for selected programs.  

You don't say which backup service you are using.  Most backup clients have a feature that allows you to control the amount of bandwidth that they use (not typically by percentage, but by a fixed amount such as 150KB/sec) and what time of day those limits apply.  I use JungleDisk, and it has these features.  If your backup system doesn't have such controls, then I would suggest that it's time to get a new backup service.

Another possibility is Trickle - http://monkey.org/~marius/pages/?page=trickle

Seems to be exactly what you need, unless it doesn't work for your backup client (because it runs in kernel space or is statically linked or some other reason).

As a last resort, you could possibly configure your router to limit bandwidth on the ports/protocols that your client uses.  But I doubt that's a feasible option.
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et01267 earned 2000 total points
ID: 33445698
Oh, I guess Trickle is a pain to build on MacOS.

Throttled is another command line tool that should work, and it comes with a prebuilt binary.  Check the README for instructions on installing. Download is here http://www.intrarts.com/throttledcli.html

There is also Carrafix, but this seems to be a bit old.  Still, it might work on recent MacOS. http://www.carrafix.com/carrafix/carrafix.html
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