Hi, On 2025-08-19 13:31:35 -0500, Nathan Bossart wrote: > On Tue, Aug 19, 2025 at 02:06:50PM -0400, Andres Freund wrote: > > Possibly stupid question - is it really worth having a dynamic structure > > here? > > The number of tranches is strictly bound, it seems like it'd be simpler to > > have an array of tranch nmes in shared memory. > > Tranches can be allocated post-startup with LWLockNewTrancheId() (e.g., > autoprewarm).
Sure, but we don't need to support a large number of tranches. Just make it, idk, 128 entries long. Adding a dynamically allocated dsm to every server seems like a waste - ever shared mapping makes fork / exit slower... Greetings, Andres Freund
