"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
> Rather than keeping track of which relation was last used (presumably
> everytime something hits the FSM), wouldn't it make more sense to just
> drop the relation with the smallest amount of free space in the map?
Why? That certainly wouldn't be cheaper to track.
> Of course maybe a better question is why we even limit based on the
> number of relations...
Shared memory is fixed-size.
regards, tom lane
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TIP 5: don't forget to increase your free space map settings
