...during the concurrent jobs running in the night, I got thousands of lines
like this:
25-Jan 07:23 mail-dir: officeJob.2007-01-24_21.03.00 Warning: sql_create.c:831
More than one Filename! 2 for file:
...what does it mean?
Gabriele Bulfon - Sonicle S.r.l.
Tel +39 028246016 Int. 30 - Fax +39 028243880
Via Felice Cavallotti 16 - 20089, Rozzano - Milano - ITALY
http://www.sonicle.com
----------------------------------------------------------------------------------
Da: Arno Lehmann <[EMAIL PROTECTED]>
A: Bacula <bacula-users@lists.sourceforge.net>
Data: 24 gennaio 2007 19.45.43 CET
Oggetto: Re: [Bacula-users] Concurrent jobs
Hi,
On 1/24/2007 6:55 PM, Gabriele Bulfon wrote:
>
> I have run the 7 concurrent jobs test, with no spooling at the moment.
> The result is that all the jobs are now much slower (200K/s-100K/s each)
> summing up a global rate of almost 3-4/Ms (when running alone, the
> fastest job ran at 7M/s).
> I understand that postgres is now doing a lot of work, and probably here
> is again the problem.
Well, these numbers are not very impressive. Indeed. In my office
environment they would be incredibly high, on the other hand :-)
> 1. Do you think spooling would let me gain higher results?
Probably not in the way that it speeds up each single job, but it might
speed up all the jobs.
> 2. Do you think switching to mysql would be faster?
I can't answer that for lack of experience with comparable setups using
both databases. What I read in the lists seems to indicate that MySQL is
faster.
But I doubt that the database is the bottleneck in your setup - at least
not if its correctly configured.
Arno
> <http://www.sonicle.com>
> Gabriele Bulfon - Sonicle S.r.l.
> Tel +39 028246016 Int. 30 - Fax +39 028243880
> Via Felice Cavallotti 16 - 20089, Rozzano - Milano - ITALY
> http://www.sonicle.com
>
>
>
>
> ----------------------------------------------------------------------------------
>
> Da: Arno Lehmann <[EMAIL PROTECTED]>
> A: Bacula <bacula-users@lists.sourceforge.net>
> Data: 24 gennaio 2007 13.22.47 CET
> Oggetto: Re: [Bacula-users] Concurrent jobs
>
> Hi,
>
> On 1/24/2007 1:01 PM, Gabriele Bulfon wrote:
> >
> > Hello,
> > I was thinking to start running concurrent jobs where I have slow
> > performance by fd clients.
> > What I think to achieve is to have the LTO throughput be
> maximized by
> > the concurrent slower writes of many clients. In many cases I
> have 5-6
> > FDs, and I'd like to run them all concurrently.
>
> Thinking about your speed issues and the throughput of LTO, I don't
> think you'll get them streaming with only 5 to 6 jobs.
> And that is before thinking about network throughput.
>
> > In the manual I find it a "not recommended" feature (1.38 version).
> > Should I really forget about it?
>
> No, I don't think so.
>
> I run jobs concurrently since 1.36 I believe and never had issues.
>
> You should use spooling though. This not only reduces thime needed for
> restores, but also makes it more probably that the drives can stream.
>
> Implementing a disk to disk to tape setup would be the other choice,
> now
> that 2.0 is out.
>
> Anyway, there are quite a number of users where jobs run concurrently,
> and I don't know about any problems resulting from that fact alone.
>
> Arno
>
>
> > <http://www.sonicle.com>
> > Gabriele Bulfon - Sonicle S.r.l.
> > Tel +39 028246016 Int. 30 - Fax +39 028243880
> > Via Felice Cavallotti 16 - 20089, Rozzano - Milano - ITALY
> > http://www.sonicle.com
> >
> >
> >
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> IT-Service Lehmann [EMAIL PROTECTED]
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