-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Mike McGrath wrote: > On Mon, 26 Oct 2009, Chuck Anderson wrote: > >> On Sun, Oct 25, 2009 at 06:46:05PM -0400, Ben Boeckel wrote: >> > Seeing as it is a mirroring daemon, the network is the bottleneck. If it isn't >> > then either you're sitting next door, our implementation is bad, or the >> > hardware shouldn't be a mirror in the first place. >> >> Speaking from experience, the network isn't always the bottleneck. >> I/O performance is often a performance problem, especially when >> walking the directory tree to build filelists. CPU performance can >> come into play if you are performing hashes or compression of the data >> to be transferred. I suggest you post your message to the Fedora >> mirror-list-d where I'm sure you'll get lots of feedback. >> > > Very true, if this behaves similarly to rsync. Reading over a large > change set to transmit only small changes is very resource intensive > everywhere but the network. > > -Mike The way we are planning to handle updates should keep this small. The network side knows nothing of the on-disk file structure and the tree-creator part knows nothing of the network other than "it's where the things I need come from", so updates won't be "what's changed in this directory?" so much as "what do I not have that is on my shopping list?" which is then asked for of the network. - --Ben -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBCAAGBQJK5mVtAAoJEKaxavVX4C1XJVQP/RgFr9vXeqFv+fbASL6HWAr4 rUYsltcI7U5+9j7jmsbh5K+8FvOJOmdc2erEaE+hmOowdv7jvCw46ywLjcU/ZbkY VyKMFeDsfmfd8geaujhQZULYbiDjmpFS6+uqX45ONBvIXk1L7f2zrnN9sTciSx7Z XOmT4V9NwKnHEoIKWNaYnb7dt4Q3/8xgJ53ZdF4JNB3tJ23IsRtzCRZOofPvfy4Y NdiAOxz5V0HY/tP4mmMH147W4QCL2lpCBLstLwcT/7rc5z3pDknPR4p8iQN4xvAn 7Q+y/12ewqxcGn8O6hKTdlG0CBt6YVeYegonZYp8V+BJ74ozaqDiR+IKVIXbJBZt VwTzdEhiBQfAb/BVZz+Vg4YW03WxitKAKlMQ7oGKjtHuTC5j/3EVX6Gio1Lo4EHX 4DsW9XRGqDEPwqwwgKsIXMkjfNXRkdKQQzamFKVO6XTzsyJaJ+Hsv1Az0+De4SQ+ lLEgrCdJ5JLrj3+yoWoH0sk7AJDLpyrxGSaYEs0wvz+AepJK5pXVd++OivTuGdWk lvXuSB15HG5tzKzDT45yFOR3vBhY1Bsa2j5uNBKrHUdjOuMZL/n/lfxdDH0e+GxF RE3b8/P/LV6qGDZNyWIEVgZraqpbDohKOI98M3Tdo1kiLZtIY+/ulKtg/EuIUEra hpc7/IiTPVQqe82zvbYR =2gfL -----END PGP SIGNATURE----- _______________________________________________ Fedora-infrastructure-list mailing list Fedora-infrastructure-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-infrastructure-list
