| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | The Hermit Hacker <scrappy(at)hub(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Matthew Kirkwood <matthew(at)hairy(dot)beasts(dot)org>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: A patch for xlog.c |
| Date: | 2001-02-27 16:36:29 |
| Message-ID: | 200102271636.LAA16214@candle.pha.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
> The Hermit Hacker writes:
>
> > > Yea, it is pretty low priority, especially since most OS's don't support
> > > ANON mmap(). Most BSD's support it, but I don't think Linux or others
> > > do.
> >
> > ah, then not a low priority, a non-starter, period ... maybe when all the
> > OSs we support move to supporting ANON mmap() :(
>
> It would be worthwhile for those operating systems that don't have SysV
> shared memory but do have mmap(). But I don't have one of those, so I
> ain't gonna do it. ;-)
All have SysV memory. mmap() usage is only useful in enabling larger
buffers without kernel changes.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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