On 6/18/2018 10:55 AM, Les Mikesell wrote: > On Mon, Jun 18, 2018 at 9:38 AM, Bowie Bailey <bowie_bai...@buc.com> wrote: >> I have another big local backup that's been running all weekend. I am >> trying sudo/rsync rather than rsyncd or ssh/rsync this time. This >> directory has millions of small files (and is even bigger than the first >> one), so I expect it to take longer. >> >> This time, I'm seeing higher IO-wait numbers: > Moving the disk head around is almost always the slowest operation and > on the first full it has to traverse every file. And backups tend to > not fit the normal OS caching mechanisms that try to hide that > slowness.
Right. I only pointed it out since I did not see this on the previous backup that ran for 24 hours. I'm still not sure where the bottleneck was there since I was never able to see anything that looked busy during the process. -- Bowie ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ 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/
