Re: [HACKERS] Linux Largefile Support In Postgresql RPMS

On Tue, 2002-08-13 at 12:45, strange(at)nsk(dot)yi(dot)org wrote:
> On Tue, Aug 13, 2002 at 01:04:02PM -0400, Tom Lane wrote:
> > On a system where building with large-file support is reasonably
> > standard, I agree that PG should be built that way too. Where it's
> > not so standard, I agree with Andrew Sullivan's concerns ...
>
> What do you mean by "standard"? That only some filesystems are supported?
> In Linux the vfat filesystem doesn't support largefiles, so the behaviour
> is the same as if the application didn't specify O_LARGEFILE to open(2):
> As Helge Bahmann pointed out, "kernel will refuse to write files larger than
> 2GB". In current Linux, a signal (SIGXFSZ) is sent to the application
> that then dumps core.
>
>
> So, the use of O_LARGEFILE is nullified by the lack of support by the
> filesystem, but no problem is introduced by the application supporting
> largefiles, it already existed before.
>

Thank you. That's a point that I previously pointed out...you just did
a much better job of it. Specifically, want to stress that enabling
large file support is not dangerous.

Greg