> On 19 Jan 2024, at 01:50, Kirk Wolak <wol...@gmail.com> wrote:

>   I did a little more checking and the reason I did not see the link MIGHT be 
> because EXPLAIN did not show a JIT attempt.
> I tried to use settings that FORCE a JIT...  But to no avail.

Are you sure you are running a JIT enabled server?  Did you compile it yourself
or install a snapshot?

>   You don't know a way to force at least the JIT analysis to happen?  
> (because I already knew if JIT was off, the leak wouldn't happen). 

If you set jit_above_cost=0 then postgres will compile a JIT enabled execution
tree.  This does bring up an interesting point, I don't think there is a way
for a user to know whether the server is jit enabled or not (apart from
explaining a query with costs adjusted but that's not all that userfriendly).
Maybe we need a way to reliably tell if JIT is active or not.

--
Daniel Gustafsson



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