Re: Updates using idle bandwidth

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Dnia 02-03-2008, nie o godzinie 15:29 -0500, Sunil Ghai pisze:
> Hi,
> We currently have yum-updatesd to check for the updated packages
> automatically. Even to download and install them, if marked. Yum has a
> throttle option which fixes the upper limit of maximum bandwidth
> usage. How about fixing the upper limit dynamically depending upon the
> current usage of bandwidth? i.e to download the packages using idle
> bandwidth.

 We have TCP Low Priority¹ congestion algorithm in kernel. yum-updatesd
should request it on downloading socket via setsockopt(), as per commit
bc0efe7b46174fa3cadf00ac64e4a751cc4619fd .


¹ http://www-ece.rice.edu/networks/TCP-LP/

-- 
Tomasz Torcz

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