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From Daniel John Debrunner <...@apache.org>
Subject Re: network server overhead
Date Tue, 31 Jul 2007 14:14:02 GMT
Knut Anders Hatlen wrote:
> Daniel John Debrunner wrote:
>> I ran a simple test of executing VALUES 1 using a prepared statement 
>> over the network server in auto-commit mode. 10.3 seemed to be the 
>> same performance as 10.2, maybe up to 4% slower. The 10.2 numbers for 
>> me were consistent, but the 10.3 numbers seemed to vary from 96% to 
>> 100% of the 10.2 numbers.
> 
> Did you run the 10.3 tests with -noSecurityManager? It might be that the 
> security manager that is installed by default in 10.3 affects the 
> network server performance.

I had to because the network server didn't work with the security 
manager and remote hosts. :-)

The security manager should not cause performance degradation during 
steady state. This is because during steady state no methods should be 
called that require security checks.

Dan.


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