Le Tuesday 08 March 2011 14:58:18 John Drescher, vous avez écrit : > On Tue, Mar 8, 2011 at 8:24 AM, Laurent HENRY <laurent.he...@ehess.fr> wrote: > > Le Wednesday 02 March 2011 20:50:18 Mark, vous avez écrit : > >> > btw, i actually experience it with disk backups. > >> > Does this mean software compression limits deeply backup speed ? > >> > >> In my case, software compression was a _massive_ slowdown, to the point > >> that my preference was to throw more disk space to bacula to keep my > >> jobs completing in a reasonable time. This was backing up a server with > >> a couple hundred gigs of large files, not tons of small files. > >> > >> Try your job without compression enabled at least once, to get yourself > >> a good comparison. > >> > >> Mark > > > > Turning compression off on disk backup definitely improve the > > performance. I was at 17MB/s and now i am at 30 MB/s. > > > > On my network graphs i still see i don't often go beyond the 100Mb/s i > > don't find any explanation on the network side. > > Do you have attribute spooling enabled? If not enable that. > > John
I tried to enable spooling (500 Gb spool) for the tape backup. The perf were worse. For disk backup, it seems to me spooling does not make sense. ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
