Re: [eclipse-mirrors] ftp.acc.umu.se never chosen by eclipse.org downloa

[Niklas Edmundsson <nikke@xxxxxxxxxx>]

On Mon, 27 Mar 2017, Eclipse Webmaster (Denis Roy) wrote:

> Hello!
>
> First -- thank you for being a mirror server with plenty of bandwidth!
>
> Our mirrors lists are chosen based on approximate geographical proximity
> and what we perceive (from Canada) is the most reliable.
>
> Your mirror scored 143 correct / 162 samples. By way of example, UK
> Mirror Service scored 161 / 162.
>
> Our most recent error was:
> 2017-03-26 04:16:23 Error 999 Response size: 1
> http://saimei.acc.umu.se/mirror/eclipse.org/tm/downloads/drops/R-3.3.2-201202061000/RSE-runtime-3.3.2.zip

Yeah, that's likely because 
http://ftp.acc.umu.se/mirror/eclipse.org/tm/downloads/drops/R-3.3.2-201202061000/RSE-runtime-3.3.2.zip 
is the correct URL... You should have gotten a redirect to the correct 
offloader though, not an error, but I guess 999 is something that your 
script emits as it's not a HTTP error code...

But it could also happen if you expect us to sync more often than we 
do (two times per day, your docco requires once a day), and punish us 
for it...

> As for redirects: We have a list of mirrors in a database to construct
> our mirror pages and download pages. I've therefore updated the URL in
> our database.

Did you update all instances of whatever.acc.umu.se back to the 
correct ftp.acc.umu.se, or just that specific file?

> Thank you for contacting us!  We hope to drive as much traffic to your
> mirror as we can. In the interim, I'll verify our geoip lookup tables to
> make sure they are accurate and up-to-date.

It would help us if there is some kind of mirror status page that we 
as mirror admins can look at, currently we're kinda flying blind and 
guessing wildly when users give us vague reports of things not working 
:/

> Many thanks to you, and to all our mirror operators worldwide!
>
> Denis
>
>
>
>
> On 03/27/2017 01:03 PM, Niklas Edmundsson wrote:
> > Greetings!
> >
> > While verifying that things works OK with the new ftp.acc.umu.se 20 Gbps
> > bandwidth we noticed that we have very few eclipse downloads.
> >
> > I tried reloading
> > https://www.eclipse.org/downloads/download.php?file=/oomph/epp/neon/R2a/eclipse-inst-linux64.tar.gz
> > numerous times but it never picked ftp.acc.umu.se, which should be
> > closest since I'm browsing from a university computer.
> >
> > We find this odd.
> >
> > To further add insult to injury it seems that the eclipse.org download
> > system has permanently cached the temporary redirects used by our master
> > server to offload traffic to our offload servers, presenting those
> > cached URL:s to clients. This is VERY BAD since it means that some
> > eclipse.org downloads will stop working if we take an offload server out
> > of service for some reason.
> >
> > https://www.eclipse.org/downloads/download.php?file=/oomph/epp/neon/R2a/eclipse-inst-linux64.tar.gz&format=xml
> > is a typical example, it shows the link to ftp.acc.umu.se as:
> >
> > http://saimei.acc.umu.se/mirror/eclipse.org/oomph/epp/neon/R2a/eclipse-inst-linux64.tar.gz
> >
> >
> > The correct link should be http://ftp.acc.umu.se/...
> >
> > Offload is done using temporary redirects (which should NEVER be cached)
> > to suitable available offload targets (one or many depending on load).
> >
> > Please correct the behavior and don't cache the results from temporary
> > redirects.
> >
> > /Nikke
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/Nikke
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 Niklas Edmundsson, Admin @ {acc,hpc2n}.umu.se      |     nikke@xxxxxxxxxx
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