RE: Processes and Semaphores on Solaris 5.9 with Oracle 8.1.7.4

"Hollis, Les" <Les.Hollis_at_ps.net> gravou em 2005-08-15 14:19:35:

> Down side is that if you crash the instance, multiple applications
> will be affected

        On the other hand one can dedicate more time to avoid these (fewer) instances crash. In the end I guess it more than balances out.

> however, UPSIDE is that fewer resources needed...
> Less memory for multiple SGA's, less disk space for system tspaces,
> temporary tspaces, undo tpsaces, etc....

        Less DBA slave labour...

> We have since trimmed that down to 10....4 training DB's, 3 TST and
> 3 UAT db''s mostly because of version differences...8.1.7.4 and
9.2.0.6

        Precisely. The main reason I can think of for different instances are differing platform versions.

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