On Thu, Apr 04, 2024 at 02:38:02PM +0200, Martin Husemann wrote:
>
> Since the original comment hints at "instead of temp files" it is pretty
> clear that the second variant is meant. This avoids all file system operations
> and if the machine you run on has enough free memory it might not even
>
>> [...]
> Why not stat the input file and decide to use in memory iff the file
> is small enough? This way sort will handle large sorts on small
> memory machines automatically.
Well, I'm not the one (putatively) doing the work. But my answers to
that are:
(1) Small sorts are not the issue, IM
> Date: Fri, 5 Apr 2024 07:36:42 -0400 (EDT)
> From: Mouse
>
> (4) Are there still incoherencies between mmap and read/write access?
> At one time there were, and I never got a good handle on what needed to
> be done to avoid them.
This bug was fixed nearly a quarter century ago, in November 200
>> (4) Are there still incoherencies between mmap and read/write
>> access? At one time there were, [...]
> This bug was fixed nearly a quarter century ago, in November 2000,
> with the merge of the unified buffer cache.
Ah, I recall UBC being brought in.
> I think using any version of NetBSD re
