Re: Lowering the ever-growing heap->pd_lower

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Lowering the ever-growing heap->pd_lower
Date: 2022-04-07 23:03:41
Message-ID: CAH2-WzkPtHNVVSYq4Vk+phn9+y_LY_ZkN+xTumgy1PV3Ye=r8A@mail.gmail.com
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On Thu, Apr 7, 2022 at 4:01 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> I'm on-board with that - but I think we should rewrite a bunch of places that
> use MaxHeapTuplesPerPage sized-arrays on the stack first. It's not great using
> several KB of stack at the current the current value already (*), but if it grows
> further...

No arguments here. There are probably quite a few places that won't
need to be fixed, because it just doesn't matter, but
lazy_scan_prune() will.

--
Peter Geoghegan

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