Re: cache buffer chains/where in code
- From: Christo Kutrovsky <kutrovsky.oracle@xxxxxxxxx>
- To: Laimutis.Nedzinskas@xxxxxx
- Date: Fri, 11 Dec 2009 10:19:57 -0500
There are no connects/disconnects at that time.
On Fri, Dec 11, 2009 at 2:16 AM, <Laimutis.Nedzinskas@xxxxxx> wrote:
> hehe, I concur.
> And by the same chance are there many connects and specially disconnects
> going on in a short time?
>
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> Please consider the environment before printing this e-mail
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>
> Greg Rahn
> <greg@structuredd
> ata.org> To
> Sent by: Christo Kutrovsky
> oracle-l-bounce@f <kutrovsky.oracle@xxxxxxxxx>
> reelists.org cc
> Martin Berger
> <martin.a.berger@xxxxxxxxx>, Tanel
> 2009.12.11 01:24 Poder <tanel@xxxxxxxxxx>, oracle-l
> <oracle-l@xxxxxxxxxxxxx>
> Subject
> Please respond to Re: cache buffer chains/where in
> greg@structuredda code
> ta.org
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> 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@xxxxxxxxx> 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
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--
Christo Kutrovsky
Senior Consultant
Pythian.com
I blog at http://www.pythian.com/blogs/
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