Re: cache buffer chains/where in code

On Fri, Dec 11, 2009 at 2:16 AM, <Laimutis.Nedzinskas_at_seb.lt> wrote:

> hehe, I concur.
> And by the same chance are there many connects and specially disconnects
> going on in a short time?
>
>
> ---------------------------------------------------------------------------------
>
> Please consider the environment before printing this e-mail
>
>
>
> Greg Rahn
> <greg_at_structuredd
> ata.org> To
> Sent by: Christo Kutrovsky
> oracle-l-bounce_at_f <kutrovsky.oracle_at_gmail.com>
> reelists.org cc
> Martin Berger
> <martin.a.berger_at_gmail.com>, Tanel
> 2009.12.11 01:24 Poder <tanel_at_poderc.com>, oracle-l
> <oracle-l_at_freelists.org>
> Subject
> Please respond to Re: cache buffer chains/where in
> greg_at_structuredda code
> ta.org
>
>
>
>
>
>
>
>
>
> By chance is this using UFS file system and not using directio
> (forcedirectio)?
>
> On Thu, Dec 10, 2009 at 11:45 AM, Christo Kutrovsky
> <kutrovsky.oracle_at_gmail.com> wrote:
> > I traced down the problem to a Solaris 10 BUG. bug_id 6642475, has to do
> > with kernel locks when trying to allocate contiguous memory. The code is
> > inefficient, and the workaround is to disable it via echo
> > "pg_contig_disable/W 1" | mdb -kw.
> >
> > I hope this helps someone out there. I don't know in what release it is
> > resolved.
>
> --
> Regards,
> Greg Rahn
> http://structureddata.org
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

-- 
Christo Kutrovsky
Senior Consultant
Pythian.com
I blog at http://www.pythian.com/blogs/

--
http://www.freelists.org/webpage/oracle-l