Re: vxfs 5.1sp1 solaris 10u9 qio not makes asynch read oracle 22.214.171.124
Date: Thu, 22 Mar 2012 18:59:54 +0700
thanks for the url...
I have read those url 3 times before this trussing :)
do you think that statement comes from oracle kernel guy?
because of open flag for O_DSYNC
28355: open("/data01/zzztest1.dbf", O_RDWR|O_NDELAY|O_DSYNC|O_NONBLOCK) = 10
that's why asynch io didn't work?
On 3/22/12, Phillip Jones <phil_at_phillip.im> wrote:
> You may find this archive post/thread of interest:
> On Thu, Mar 22, 2012 at 6:04 AM, Ujang Jaenudin
>> dear all,
>> I have a puzzle things for this environment.
>> I tested create table as select/CTAS (the original table is on QIO file)
>> it looks no kaio AIOREAD, but uses pread (synchronous IO).
>> play with db parameter:
>> has no effects.
>> anyone had same experiences?
>> do you think oracle has some issues on this veritas QIO to use kaio
-- regards, ujang jaenudin databases independent consultant http://ora62.wordpress.com jakarta - Indonesia -- http://www.freelists.org/webpage/oracle-lReceived on Thu Mar 22 2012 - 06:59:54 CDT