Re: [Bacula-users] Strange slow performance on Solaris 11

[Roberto M. <Rob...@ot...>]

Hello.
Thank you Gary for the quick response.

Yes , we already worked on EMD suggested optimizations.

>From the same host we are running oracle database backup via rman on another share (just the name is different.. ) and they perform up to 150 MB/s.

Tried also on different storage , but it seems something about how bacula SD use the storage (block size and so on.. )

Still investigating.


________________________________
Da: Gary R. Schmidt <gr...@mc...>
Inviato: lunedì 11 dicembre 2017 13:49
A: bac...@li...
Oggetto: Re: [Bacula-users] Strange slow performance on Solaris 11

On 11/12/2017 21:50, Roberto Menti wrote:
> Hello.
>
>
> We have setup bacula on solaris 11, with a disk storage as virtual tape.
>
>
> Disks are exposed by Datadomain and mounted in bacula server via nfs.
>
> Same storage configuration (datadomain + nfs on solaris 11 ) accomplish
> a valuable write speed of 150 MB /s
>
>
> However every job in bacula is writing at a horribly speed of 10 / 20 MB/s.
>
> Same speed also with Linux FD (so it seems that storage daemon is the
> bottleneck.. )
>
> Already enabled spool attributes and also tried to adjust Maximum
> Network Buffer Size with no valuable results.
>
>
> Someone has similar configuration with good performance? Some advice?
> Suggestions?
>
Have you talked to EMC about this sort of workload?  Vague memory says
that long, linear files like Bacula produces tend to perform like crap,
but it has been a while.

And have you done the tuning suggested here:
https://community.emc.com/docs/DOC-39156
Data Domain : Solaris 10 And Solaris 11 System Tuning Guide<https://community.emc.com/docs/DOC-39156>
community.emc.com
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        Cheers,
                Gary    B-)

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