[llvm-dev] IMPORTANT: APT repo temporary switched off

Johan Engelen via llvm-dev llvm-dev at lists.llvm.org
Wed Jun 1 13:15:53 PDT 2016

On Tue, May 31, 2016 at 7:27 PM, Anton Korobeynikov via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> TL;DR: APT repo switched off due to excessive load / traffic
> Recently we realized that APT repo generates almost 95% of I/O on
> llvm.org and more than 40% of network bandwidth alone. During last 2
> weeks the main services on llvm.org (svn, git, bugzilla) had serious
> problems with overall connectivity.

I think this correlates with the increase of package update frequency from
once a week to (sometimes more than) once a day. [1]
I thought that the CI systems like Travis do some caching of packages so it
is not re-downloading new packages for every build of every pull request?
If not, adding one commit to a PR in LDC means 6 downloads from llvm.org...

We decided to temporary switch APT repo off to see if this would help.
> Stay tuned for updates.

Because LDC's core CI testing depends on the APT repo, I hope a replacement
solution is found quickly.
Thanks very much,

[1] https://groups.google.com/forum/#!topic/llvm-dev/MjhxuNRx9sA
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