RE: Moving to 9i.....

Nope, checked that:

SQL> show parameter statistics


NAME                                 TYPE        VALUE
------------------------------------ ----------- =
------------------------------
statistics_level                     string      TYPICAL
timed_os_statistics                  integer     0
timed_statistics                     boolean     TRUE

Mark J. Bobak
Oracle DBA
ProQuest Company
Ann Arbor, MI
"Post Hoc Ergo Propter Hoc"


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx =
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Tanel P=F5der
Sent: Monday, July 26, 2004 5:46 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Moving to 9i.....


> For some reason, Oracle is doing LOTS more system calls.  I tried
> trussing a couple of the hot server processses, I see lots and lots of
> poll(), pread() and times() sys calls.  Inside the db, this translates
> to lots and lots of latch free on cache buffers chains and library
> cache.  But, I suspect that it's secondary due to the CPU staravtion
> caused by the heavy syscall activity.

Do you have timed_os_statistics enabled? (if statistics_level =3D all =
then
timed_os_statistics defaults to true...)

Tanel.


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