I get 25-30 MB/s on my local Linux box - dir, fd and
sd on the same machine. It's a 4 GB dual Xeon box w/ 2
RAID arrays.
The same server backs up a remote Windows box at 6
MB/s (same 100 Mbps segment, no compression). I think
that's pretty good because I'm getting a NET of Mbps -
if I fire up Ethereal and look at the raw throughput
with TCP overhead, it would be even higher.
In my opinion, 15 MB/s is very good throughput. At 120
Mbps, I assume you have a Gigabit Ethernet segment and
the bottleneck was the read rate of the hard disk.
Your old software probably used software compression,
at the cost of CPU cycles.
Remember that several media types can't even reach too
high throughputs. An LTO-1 Ultrium drive, for example,
can write at 15 MB/s native, 30 MB/s compressed.
Regards,
Georger
--- Christoff Buch <[EMAIL PROTECTED]>
escreveu:
> Dear Thorsten
>
> That's a rate I wish I had! :-)
>
> I use a P3 800 MHz. It's a 9.0 SuSE Kernel 2.4.21.
> Dir, FD, SD on this machine, as well as 5 other FDs
> via Network.
> There was no change in hardware / network structure
> whatsoever since I
> changed from the old backup-software to bacula.
> SD uses up to 45% CPU. Load average is 0.44.
> Perhaps I might add that I have 5 other Bacula DIR
> installations, too, on
> very different hardware which also have a local FD
> as well as FDs on the
> network.
> Up to now, throughput wasn't that critical.
> But I have seen today, that they all do almost the
> same rates (3 - 5
> MB/s).
> So I think it must have something to do with
> bacula's configuration.
> (Which mostly is the defaults, concerning the
> throughput respect)
>
> Any ideas?
>
> BTW: Thanks for your answer!
>
> i. A. Christoff Buch
>
> =====================================
> [EMAIL PROTECTED]
> +49.941.78004.607
>
> [EMAIL PROTECTED]
> OneVision Software AG
> Dr.-Leo-Ritter-Str. 9
> D - 93049 Regensburg
>
>
>
> "Thorsten Engel"
> <[EMAIL PROTECTED]>
> Sent by: [EMAIL PROTECTED]
> 16.06.2006 21:30
>
> To
> <bacula-users@lists.sourceforge.net>
> cc
> [EMAIL PROTECTED]
> Subject
> [Bacula-users] Throughput
>
>
>
>
>
>
> Dear Christoff,
>
> I reached 17MB/s on a brand new linux server (xeon,
> fd,dir and sd on 1
> machine). I surely can say that the current fd on
> win32 is not optimal
> (using almost 100% of the cpu). The next release
> will include an optimized
> version. What OS are you using? How much cpu is
> bacula consuming when a
> backup is running?
>
> Best,
>
> thorsten
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