On Fri, Mar 5, 2010 at 1:29 PM, Mike McGrath <mmcgrath@xxxxxxxxxx> wrote: > On Fri, 5 Mar 2010, Bill Nottingham wrote: > >> Till Maas (opensource@xxxxxxxxx) said: >> > I have some ideas to speedup the availability of updates. Are there any >> > reasons except that the tools to do this do not exist yet, to switch to >> > this? I created a wiki page for this: >> > https://fedoraproject.org/wiki/User:Till/update_availability_speedup_ideas >> >> It seems to be missing something - it says 'all rpms that are not included >> in the prior metadata will be deleted', but there's nothing in that proposal >> as written that will cause rpms to fall out of the metadata. >> >> With respect to hardlinks, the updates repos that are created *are* >> hardlinks (to the koji packages); the only copying that's involved is >> pushing them from the koji storage to the mirror storage. >> > > Side note about this, it's a 10T ext3 filesystem exportetd via nfs. Does > anyone happen to know if hardlinking is particularly expensive in this > setup? We're doing profiling and things and haven't actually tested this > yet but I thought I'd ask. > Hard-linking is as expensive as creating empty files, so if you are happy with the create speed then you will be happy with the hardlink speed. Thanks, Josef -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
