> CpuAffinityMask = 15 //all 4 cores -> is this needed with Classic

to use all

> cores???

This is Superserver only setting. Classic should use all cores by
default, no configuration is necessary.

>
> should I touch these (currently as defaults, meaning not set at all
> (prefixed with #):
> (and yes I did some Googling, but could not find good resource of

tuning

> Classic server)
> SortMemBlockSize = 1048576
> SortMemUpperLimit = 67108864
>

A'm not familiar with these settings, but defaults should be ok. You
can search the list archives for more information.

Michal