"Heikki Linnakangas" <heikki@enterprisedb.com> writes:
> Tom Lane wrote:
>> Huh? How could we be assigning to a slot that is not in use?
> Before the patch, we loop through the shared PgBackendStatus slots
> (there is MaxBackends of them), and issue a memcpy for each to copy it
> to our local slot. After that, we check if it was actually in use.
> After the patch, we still loop through the shared slots, but only issue
> the memcpy for slots that are in use.
Oh, you're talking about *fetching* the slot contents, not *assigning*
to them. Sorry, probably should have read the patch instead of just
reacting to the comment ...
regards, tom lane