On Fri, 22 Aug 2008 10:23:24 -0500
"Lukasz Szybalski" <szybalski AT gmail DOT com> wrote:

> On Fri, Aug 22, 2008 at 9:42 AM, Technik <technik AT zli DOT ch> wrote:
> >>But On Full backup:
> >>FD Bytes Written: 63,668,167,347 (63.66 GB)
> >>SD Bytes Written: 63,983,912,475 (63.98 GB)
> >>Rate: 771.2 KB/s
> >>Software Compression: 82.3 %
> >>
> >>This saves me 11GB? So How fast will my backup rate be? Currently it
> >>is at 771kb seems low for what people mentioned on this list.
> >
> > I know three settings that can have an impact on performance: VSS,
> > compression and Maximum Network Buffer Size.
> >
> > VSS and compression belongs to the FileSet Resource.
> >
> > Maximum Network Buffer Size belongs to the File Daemon and the Device
> > Resource. Searching the manual (pdf) for Network Buffer Size gives you
> > the right hits where you can find more detailed information.
> >
> > If a Windows machine is so slow as you describe I would try to set
> > Maximum Network Buffer Size = 32768 in the fd-conf of this machine.
> > After this you have to restart the bacula service.
> 
> Thanks,
> I will research above.
> 
> Is there a list of commands I could use to determine what is being
> utilized. "top" doesn't do a good job for me at this point. It shows
> SD as using 0 memory  and 20% cpu but I dont' know how much disk its
> using.
> 
> I would like to know memory usage, network usage, hdd write, how much
> cache is used for writing, speed of writing/reading. I have some other
> processes that run and when doing a restore job they almost stopped
> working, so I either need to increase the memory or speed up
> read/write but I don't have enough information to get any statistics I
> could use. Commands would be appreciated.

On both Debian and RH, install the package sysstat and then you can use iostat 
to see the I/O numbers.

I also recommend collectl: http://collectl.sourceforge.net/

Regards,
-- 
Alex Chekholko 

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