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Home -> Community -> Mailing Lists -> Oracle-L -> RE: CBO irregularity
Dennis,
I'm not sure what you're asking... if you want to know if I think a full refresh of the staging environment from a production backup is a good idea, yes I do.
Our problem was not that the data was a subset, it wasn't. The environment itself is not exactly duplicated. In production we have two database servers, in QA/stage we have one. In production, multiple applications run on the various app servers and hit the databases at the same time. In the QA load test, because the servers are smaller than production, we ran only the application we were porting. And in QA, without competition, it ran fine.
I do believe that unless QA and production are mirrors, in terms of hardware as well as software, then you do not have a true QA environment.
I *still* get the "sit down and shut up" response when I say that though.
Rachel
-- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------Received on Tue Jun 08 2004 - 10:19:33 CDT
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