RE: Tuning Application Logins/Logouts

It looks like prespawned dedicated servers are no longer supported in 10g.

http://download.oracle.com/docs/cd/B19306_01/network.102/b14213/unsupported.htm#i440873


Pat



________________________________
From: Dan Norris [mailto:dannorris@xxxxxxxxxxxxx]
Sent: Tuesday, July 22, 2008 1:40 PM
To: Elliott, Patrick
Cc: oracle-l-freelists
Subject: Re: Tuning Application Logins/Logouts

I would say it should. You might also look at static definitions in the 
listener and use PRESPAWN in the listener to precreate some number of dedicated 
server processes to avoid (or pay in advance instead of at connection time) the 
overhead of the fork the listener makes for each dedicated server.

I think there are also DB-resident connection pools in 11g, but I think that 
was a feature aimed specifically at PHP--not sure how it works, but may help 
you if you can learn enough about it (and are using a version that supports the 
feature).

Dan

Elliott, Patrick wrote:
We have an application that is coded to login, do a query, and then logout.  It 
does this an average of twice per second.  It is a big deal to fix the 
application.  Would enabling Shared Server/MTS help solve this problem?  Right 
now the high overhead of logins and logouts can be a performance hit.


Pat



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