Bacula-users

Re: [Bacula-users] Slow backup even with a dedicated line

2011-01-09 18:11:16
Subject: Re: [Bacula-users] Slow backup even with a dedicated line
From: Oliver Hoffmann <oh AT dom DOT de>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 10 Jan 2011 00:10:06 +0100
I did some tests with different gzip levels and with no compression at 
all. It makes a difference but not as expected. Without compression I 
still have a rate of only 11346.1 KB/s. Anything else I should try?

Cheers,

Oliver
> On Saturday 08 January 2011 11:46:11 Mister IT Guru wrote:
>   
>> On 07/01/2011 14:53, Rory Campbell-Lange wrote:
>>     
>>> On 07/01/11, Oliver Hoffmann (oh AT dom DOT de) wrote:
>>>       
>>>> I do full backups at the weekend and it just takes too long. 12h or so.
>>>> bacula does one job after the other and I have a max. transfer rate of
>>>> 11 to 12 MBytes/second due to the 100Mbit connection.
>>>>
>>>> For testing purpose I connected one client via crosslink (1Gbit on
>>>> both sides) to the server. But I still have the same transfer rate. Why
>>>> is that?
>>>>         
>>> What sort of backups are you doing? Are you writing to tape? Are you
>>> using spooling?
>>>
>>>       
>> I am new(ish) to bacula, how does spooling speed up jobs, I have noticed 
>> similar issues, but because the same behavior appeared on three 
>> instances I've built recently. I'm very interested to learn how to 
>> improve performance.
>>     
>
> Um.. compression?
>
>   


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