Re: oracle on Linux/Nehalem: start to see run queue>10 when cpu usage lower than 50%
From: Greg Rahn <greg_at_structureddata.org>
Date: Tue, 3 Aug 2010 09:35:42 -0700
Message-ID: <AANLkTimeGpZUrK68MYGJBG39dfPCQQcAVWZh38HA1=OT_at_mail.gmail.com>
Also, what does the output from
$ mpstat -P ALL 5
look like? Is the work spread evenly across each core/thread?
Date: Tue, 3 Aug 2010 09:35:42 -0700
Message-ID: <AANLkTimeGpZUrK68MYGJBG39dfPCQQcAVWZh38HA1=OT_at_mail.gmail.com>
Also, what does the output from
$ mpstat -P ALL 5
look like? Is the work spread evenly across each core/thread?
On Tue, Aug 3, 2010 at 9:30 AM, Greg Rahn <greg_at_structureddata.org> wrote:
> What is the profile if you set numa=off in the Linux kernel boot options?
>
> On Tue, Aug 3, 2010 at 9:14 AM, Zhu,Chao <zhuchao_at_gmail.com> wrote:
>> We are testing HP DL380 G7 with Redhat Linux 5.4, load it with lots of
>> very small SQL (through a jdbc client with 50~100~200 session) continuesly
>> issue SQL to database server; It is 2 socket/12 core system with 72gb
>> memory; there are still tons of free emmory there;
-- Regards, Greg Rahn http://structureddata.org -- http://www.freelists.org/webpage/oracle-lReceived on Tue Aug 03 2010 - 11:35:42 CDT