Upgrading from Ingres 2.6 to Ingres 2006- version 9.2We moved to 9.1.1 on Solaris 10 October 2008. Since then we've encountered various different bugs and had to deploy 3 patches. We've recently discovered another bug that will require a service pack and another patch. Many of theissues we've faced have been to do with the optimizer and query performance. In some instances queries that worked fine in 2.6 just don't work in 2006. They either hang in the QEF or fill the work location and rollback. 90% of the query performance issues we' ve had were a direct result of a new bug. Some queries just required a little re-working or a new index and they ran OK. In the most recent issue we've discovered a UNION of two queries is returning way more rows than it should do.
Quote:
From my personal experience 2.6 was far more resilient in terms of queryperformance and dealing with queries that 9.1.1 just can't handle.I'm hoping that these issues are nothing more than glitches that are ironed out as the maturity of the release grows but, I'm yet to see any evidence to suggest that's the case. |
Regards
Damien Owen
Sandyx Systems
www.sandyxsystems.co.uk
----- Original Message -----
From: Robert Allely
To: Ingres and related product discussion forum
Sent: Tuesday, March 17, 2009 2:01 AM
Subject: [Info-Ingres] Upgrading from Ingres 2.6 to Ingres 2006-version 9.2
We have finally decided to move to the new version of the dbms- does anyone think Ingres 9.2 is too new to move to? How long has it been out there?
Thanks,
Robert
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