Re: rsync and the CPAN

[email protected] (Eric Wilhelm)
Newsgroups perl.cpan.workers
Message-ID <[email protected]>
# from Ask Bjørn Hansen
# on Thursday 25 March 2010 16:55:

>Most CPAN mirrors use rsync.  It's not realistic to make them change
> that ("Hello all mirror operators -- so that tool that you use for
> ALL YOUR MIRRORS; well ... maybe you can use something else for
> us?").
>
>rsync is all disk i/o -- relatively negligible network and CPU.

If you're concerned about the load on upstream mirrors, is it possible 
that the rsync daemon running there knows about these things (e.g. 
in-memory or otherwise cached list of timestamps/checksums) without the 
disk activity?

--Eric
-- 
A counterintuitive sansevieria trifasciata was once literalized 
guiltily.
--Product of Artificial Intelligence
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