| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>, PostgreSQL Win32 port list <pgsql-hackers-win32(at)postgresql(dot)org> |
| Subject: | Re: [PATCHES] SRA Win32 sync() code |
| Date: | 2003-11-16 16:36:54 |
| Message-ID: | 200311161636.hAGGatT23547@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-hackers-win32 pgsql-patches |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Not sure how we are going to do this in Win32, but somehow we will have
> > to record all open files between checkpoints in an area that the
> > checkpoint process can read during a checkpoint.
>
> One reason I like the idea of adopting a sync-when-you-write policy is
> that it eliminates the need for anything as messy as that.
Yes, but can we do it without causing a performance degredation, and I
would hate to change something to make things easier on Win32 while
penalizing all platforms.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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