Re: A patch for xlog.c
От | Bruce Momjian |
---|---|
Тема | Re: A patch for xlog.c |
Дата | |
Msg-id | 200102252117.QAA02248@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: A patch for xlog.c (The Hermit Hacker <scrappy@hub.org>) |
Список | pgsql-patches |
> On Sun, 25 Feb 2001, Bruce Momjian wrote: > > > > > Yes, but typical SysV shared memory limits are much lower than > > > > per-process limits. > > > > > > well, come up with suitable patches for v7.2 and we can see where it goes > > > ... you seem to think mmap() will do what we require, but, so far, have > > > been unable to convince anyone to dedicate the time to converting to using > > > it. "having to raise/set SysV limits", IMHO, isn't worth the overhaul > > > that I see having to happen, but, if you can show us the benefits of doing > > > it other then removing a 'one time administrative config' of an OS, I > > > imagine that nobody will be able to argue it ... > > > > 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() :( Yea, we would have to take a poll to see if the majority support it. Right now, I think it is clearly a minority, and not worth the added confusion for a few platforms. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.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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