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Archives of the TeradataForum
Message Posted: Fri, 01 Nov 2002 @ 14:08:05 GMT
| Subj: | | Re: Teradata Upgrade Performance Problems |
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| From: | | Kim, Charles |
I'm willing to bet you've just experienced a regression in the optimizer. This is the one area where it is fairly common (based
on our experience) to experience some type of slowdown on a job. Luckily, this usually affects only one or two jobs, but it is still
a PITA. Make sure you collect statistics on all table after each upgrade since there is a real good chance there were optimizer code
changes made.
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