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Re: [pgsql-hackers-win32] win32 performance - fsync question

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: Magnus Hagander <mha(at)sollentuna(dot)net>,Michael Paesold <mpaesold(at)gmx(dot)at>, pgsql-hackers(at)postgresql(dot)org,pgsql-hackers-win32(at)postgresql(dot)org,Merlin Moncure <merlin(dot)moncure(at)rcsonline(dot)com>
Subject: Re: [pgsql-hackers-win32] win32 performance - fsync question
Date: 2005-03-17 19:38:32
Message-ID: 200503171938.j2HJcWK19062@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-hackers-win32
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Tom Lane wrote:
> >> ISTM Windows' idea of fsync is quite different from Unix's and therefore
> >> we should name the wal_sync_method that invokes it something different
> >> than fsync.  "write_through" or some such?
> 
> > Ah, I remember now.  On Win32 our fsync is:
> > 	#define fsync(a)    _commit(a)
> > I am wondering if we should call the new mode open_commit or
> > open_writethrough.  Our typical rule is to tie it to the API call, which
> > should suggest open_commit.
> 
> fsync_writethrough, perhaps.  I don't see any "open" about it.

Sorry, yea, go confused.

-- 
  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
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