On 06/21/2011 12:12 PM, Joshua Root wrote: > On 2011-6-21 16:09 , Rainer Müller wrote: >> But I don't remember we ever evaluated the impact of using a tarball >> instead of >> individual files. I am not yet convinced this will scale in the same way >> it did before. > > In what way do you expect it may not scale? I did test this before I > made the change, and it performs fine on a 1.8 GHz G5. Rsync reported a > speedup of 506 for ports and 290 for base when selfupdating today.
With multiple smaller files rsync could skip files based on modification time. With a single large file, it is necessary to generate checksums for each block and therefore I would expect more load for both the server and client. Rainer _______________________________________________ macports-dev mailing list [email protected] http://lists.macosforge.org/mailman/listinfo.cgi/macports-dev
