Raman Gupta wrote: > I have three hosts configured to backup to my PC. Here are the speeds > from the host summary: > > host 1: 24.77 GB, 14,000 files, 18.78 MB/s (slower WAN link) > host 2: 1.27 GB, 4,000 files, 1.89 MB/s (faster WAN link) > host 3: 4.82 GB, 190,000 files, 0.66 MB/s (fast LAN link) > > They all use rsync with the same setup, other than the exclude list. > Backups are configured to run one at a time so there is no overlap > between them. > > The speed of host 3 concerns me. Host 3 is by far the beefiest > machine, and on the fastest network link of all the hosts, but yet > backs up at only 0.66 MB/s (incrementals are even slower).
Ok, it seems that the number of files has a large non-linear affect on the performance of BackupPC. I excluded a bunch of stuff from my host 3 backup, and the new stats are: host 3: 4.2 GB, 85,000 files, 2.19 MB/s For a file count reduction factor of 2.2, there was a speed increase factor of 3.3. Cheers, Raman ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/