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[mylyn-dev] Fwd: [eclipse.org-committers] Unhappy mirror sites, and disk space

Please note that Mylyn (along with several other projects) has been
excluded from mirroring by the webmaster as per message below. While
we could probably review our current retention policy and work with
the webmasters to have mirroring restored I am in favor of leaving it
as is for now which means Mylyn will only be available from
download.eclipse.org and Amazon AWS. In the past Amazon AWS has been a
reliable and fast download source whereas other mirrors have
occasionally served stale files or responded with 404s so I don't
expect that this change will affect Mylyn downloads at all or might
even improve reliability.

Please do let me know if you notice degradation in service when
updating, installing or downloading Mylyn or have any input on this
and we can reconsider.

Steffen


---------- Forwarded message ----------
From: Denis Roy <denis.roy@xxxxxxxxxxx>
Date: Tue, Jul 13, 2010 at 12:50 PM
Subject: [eclipse.org-committers] Unhappy mirror sites, and disk space
To: eclipse.org-committers@xxxxxxxxxxx


Greetings,

In recent months I have asked project teams to "clean up" their
download area, since our mirror sites have been expressing
dissatisfaction with us.  Many have responded to the call -- thank
you.

However, many projects still have a very high ratio of stale files
that do not need to be mirrored, and should be deleted or moved to the
archives[1].  Such files include:

-> Older Nightly/Stable/Integration builds.  Temporary in nature,
these should be deleted once they have expired.
-> Release builds that are no longer "current".  Release builds can be
kept indefinitely; older releases must be moved to archive.eclipse.org
to avoid being mirrored.
-> Build artifacts that are not intended to be downloaded by the
general public.  These should be stored on build.eclipse.org:/shared.
Alternatively, you can request that a build directory be excluded from
our mirrors.

I have begun examining our download space in high detail, starting
with the Technology and Tools projects.  The following projects have
been excluded from our sync to mirrors because of their large ratio of
"stale" files.

/technology/cosmos /technology/dltk /technology/linuxtools
/technology/nebula /technology/ohf /technology/swtbot
/technology/tigerstripe
/tools/ajdt /tools/aspectj /tools/buckminster /tools/mylyn
/tools/orbit /tools/pdt /tools/ptp

/tools/cdt is also guilty; however, that project generates too many
downloads to be excluded.  CDT team, please do take some time to clean
up your download space.  Next week I will look at Modeling and Birt.

If you're in one of the above projects, this means the only options
for downloading your bits are download.eclipse.org and Amazon AWS.
Fear not: Amazon has plenty of bandwidth to support all our downloads,
so impact on your users will be virtually nil.  Regardless,
maintaining a reasonable download footprint is imperative.

I know this all may seem heavy-handed, but it's not meant to be.  I
simply want to avoid a collapse of our network of mirror sites.


If you believe I've wrongly assessed your downloads area, or if you've
cleaned it up, I will happily reverse the exclusion. If you need
assistance in moving files to the archives, please send an email to
webmaster@xxxxxxxxxxx.  If specific subsets of your downloads area
must remain there, please ask for them to be excluded.  Any further
ideas, or discussion can happen on
https://bugs.eclipse.org/bugs/show_bug.cgi?id=315073.



Thanks for your understanding,

Denis


[1] Moving files to the archives:
http://wiki.eclipse.org/IT_Infrastructure_Doc#Downloads


--
Eclipse Summit Europe, Nov 2-4
http://www.eclipsecon.org/summiteurope2010/


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-- 
Steffen Pingel
Committer, http://eclipse.org/mylyn
Senior Developer, http://tasktop.com


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