The ORA-01555 errors are almost certainly symptoms, not the actual problem. It has been a few years since I tested an 8.0.x db, but I do not recall seeing any changes in rollback segments from 7.3 to 8.1.
Have you converted from Dictionary to Locally managed RBS tablespaces? When you upgraded, did you change any of the settings, like OPTIMAL, for the rollback segments? Were they dropped and recreated or upgraded inline?
-- Daniel W. Fink http://www.optimaldba.com
IOUG-A Live! April 27 - May 1, 2003 Orlando, FL Sunday, April 27 8:30am - 4:30pm - Problem Solving with Oracle 9i SQL Wednesday, May 1 1:00pm - 2:00pm - Automatic Undo Internals
Kevin Lange wrote:
Evening; Has anyone noticed any difference on the way Oracle uses Rollback Segments on 8.1.7.4 versus 8.0.5 ??
Ever since upgrading to 8.1.7.4 from 8.0.5 on our Solaris servers we have noticed more SNAPSHOT TOO OLD errors than we used to.
Are there any suggestions as to rollback tuning that has to be done with that kind of version move ??
Any help would be appreciated.
Thanks
Kevin
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