Mirror bandwidth and user redirection

[Huzaifa Sidhpurwala]

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Hi Matt,
Doesnt this have to go to fedora-infrastructure-list?
Do you want this to be included in the fedora-news.
The news usually records things which have been sent to fedora-lists,
fedora blogs etc.



Matt Domsch wrote:
> (for consideration for FWN, thanks.)
> 
> Tonight I deployed a slight update to MirrorManager that I'd been
> wanting to do for a while.  The basic selection algorithm for choosing
> the order in which to return mirrors to clients remains the same:
> prefer same netblocks, internet2 in same country if on internet2, same
> country, same continent, then global, in that order.  However, until
> now, faster mirrors (those with larger bandwidths) were returned with
> equal probability as slower mirrors.  This means not enough traffic
> was being sent to our gigabit-connected mirrors, and too much traffic
> was being sent to our slower mirrors.
> 
> Each mirror's bandwidth value is now used as a weight.  Mirrors with
> larger bandwidth will have a a higher probability of being returned
> earlier in the mirrorlist selection.  Slower mirrors can still be
> returned as the first mirrorlist selection because this is based on
> probabilities, but should not be overwhelmed anymore.
> 
> For countries with fewer mirrors, such as India, where there's some
> relatively fast mirrors, and several relatively slower mirrors, this
> should mean that users will more often get directed to the faster
> mirrors.
> 
> Thanks,
> Matt
> Fedora Mirror Wrangler
> 


- --
Regards,
Huzaifa Sidhpurwala, RHCE, CCNA (IRC: huzaifas)
Research and Development Lead,
Global Help Desk, Pune
Phone: +91 20 4005 7322 (UTC +5.5)

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