RE: Same operation, more CPU time
- From: Paul Baumgartel <treegarden@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 5 May 2004 15:22:16 -0700 (PDT)
That's two votes for spinning to acquire latches...I'm beginning to
feel we're onto something here. This may be a case in which observing
latch spin_counts would be worthwhile. Thanks, John!
PB
--- John Kanagaraj <john.kanagaraj@xxxxxxx> wrote:
> I believe what you are seeing is due to this: A 'latch free' wait
> does not
> register /unless and until/ the process requesting the latch
> 'sleeps', i.e.
> while it is spinning a Wait event is not registered. However, at this
> time,
> spinning consumes CPU without a context switch.
__________________________________
Do you Yahoo!?
Win a $20,000 Career Makeover at Yahoo! HotJobs
http://hotjobs.sweepstakes.yahoo.com/careermakeover
----------------------------------------------------------------
Please see the official ORACLE-L FAQ: http://www.orafaq.com
----------------------------------------------------------------
To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx
put 'unsubscribe' in the subject line.
--
Archives are at //www.freelists.org/archives/oracle-l/
FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------
Other related posts:
