On Wed, Apr 10, 2002 at 01:26:17AM -0700, Robert Tiberius Johnson wrote: > This looks like an interesting algorithm, so I decided to compare it to > the diff scheme analyzed in > http://lists.debian.org/debian-devel/2002/debian-devel-200204/msg00502.html > > The above message also gives my analysis methodology. > > The results: > ------------ > > - The following table summarizes the performance of the checksum-based > scheme and the diff-based scheme under the assumption that users tend to > perform apt-get update often. I think disk space is cheap and bandwidth > is expensive, so 20 days of diffs is the best choice. > > Scheme Disk space Bandwidth > ----------------------------------------------------------- > Checksums (bwidth optimal) 26K 81K > diffs (4 days) 32K 331K > diffs (9 days) 71K 66K > diffs (20 days) 159K 27K can you explain your counts? Gruss Grisu -- Michael Bramer - a Debian Linux Developer http://www.debsupport.de PGP: finger grisu@db.debian.org -- Linux Sysadmin -- Use Debian Linux "Nicht geschehene Taten ziehen oft einen erstaunlichen Mangel an Folgen nach sich." -- S.J. Lec
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