Am 09.10.2008 18:59 Uhr, Martin v. Löwis schrieb:
Mirrors help every other packaging system. So it stands to reason
that it would help pypi too. I think since many zope people have been
using mirrors instead of using pypi directly... pypi has been more
available. It's running lots better for other reasons too... but less
load is probably also nice for pypi :)
I'm fine with people operating their own mirrors. I just don't think
it can be made *invisible* to users that they use a mirror. In the
mirroring systems for Linux distributions, for example, people have
to explicitly select which mirror they want to use (and accept that
the mirror may lag behind by a day or so). It's also clear that it is
a "mere" mirror.
Implict or explict mirror selection is not primary point in phase 1
of the project. The point is that we must have access to the
distribution packages and eggs at any time - independent of the
available of PyPI (either related to issues with the PyPI server or
caused by internet outages or routing problems).
An implicit selection of a mirror in case of an detected outtage would
be nice but this is possibly not the most important issue right now.
We can always reconfigure out buildout configurations easily to a new
server or define a series of mirroring servers.
What Andreas was asking how a distributed PyPI installation could work,
by which I assume he was asking for one that a) is invisible (of called
misleadingly "transparent") to users, and b) allows updates to replica.
I'm skeptical that such an system would work all that well, and can
be created in a reasonable amount of time
As stated earlier: we can already define multiple servers as part
of a buildout configuration. A better mirror selection algorithm would
be nice to have for the future but right now we don't actually need it
and can live with the current state.
Andreas
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