On Tue, Mar 8, 2011 at 8:24 AM, Laurent HENRY <Laurent.Henry AT ehess DOT 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

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