On Friday 10 April 2009 17:42:43 Johan Hartzenberg wrote:
> Hello Nico
>
> When you see the slow performance, what do you see which you define
> as slow? What exactly are you measuring?
>
> When looking at the basics (CPU, IO, MEM) where do you expect the
> bottle neck to be?
>
> look at
> prstat -va
> iostat -xnczC 5
> mpstat 5
> vmstat 5
>
> If the application do run better in a global zone, you are hitting
> a bug. Zone based applications have the same level of access to the
> Kernel (system calls), Memory and CPU, as do non-zone based
> applications (with the exception of system calls in the case of a
> branded zone)
well, all performance measures were good: load average very low,
iostat showing low activity on the disks, etc, but...
>
> Network may be a different story, if you are using non-shared IP
> (exclusive IP mode) for the zone, but before you look any further
> at networking, establish whether you have a bottle neck on CPU,
> memory or IO.
>
> If you do think Network is the bottle neck, try a shared-IP zone.
> And eliminate other things on the network as being the cause of the
> problems.
>
> Your post on the OpenSolaris forums suggest that you are running
> Some build/version of Open Solaris, though you did not specify
> this. Get updated to the latest version, and in the case of
> Solaris, get your patches up to date as there are fixes for various
> network errors, including packet loss. In particular look at the
> driver patches and NIC firmware.
Solaris 10 with all patches applied last week.
It turned out to be slow because of a faulty 4-gbit network: 3 ports
defective ;-(
Thanks,
Nico
_______________________________________________
opensolaris-discuss mailing list
opensolaris-discuss@opensolaris.org
