From: Liebster, Daniel (Daniel.Liebster@AdeccoNA.com)
Date: Thu Sep 26 2002 - 16:37:57 EDT
Hello.
We recently tried to upgrade an enterprise server running oracle 8 from sol
2.6 to sol8. Under load testing the new configuration performed terribly.
(About 5 x slower at worst!)
The performance degrades with use after a reboot. It starts out a bit faster
that the 2.6 configuration, but then steadily decays under use over a period
of hours.
Trussing oracle showed that a LOT of time is consumed by fsync.
We reverted the system back to sol 2.6, and got the good performance back.
So far we haven't gotten a solution from Sun. Has anyone seen this before?
The data files exist on vxfs filesystems on an EMC.
VRTSvxfs version = 3.4,REV=GA03
VRTSvxvm version = 3.2,REV=08.15.2001.23.27
Solaris = 2.8, mu7, latest patches.
Oracle = 8.1.7
Thanks,
Dan
Dan Liebster Adecco
Enterprise Systems 175 Broadhollow Rd
Tel: 631-844-7258 Melville, NY 11747
Fax: 631-844-7774
Email: daniel.liebster@adeccona.com
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