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Re: [HACKERS] More benchmarking of wal_buffers

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Hackers <pgsql-hackers(at)postgresql(dot)org>,pgsql-performance(at)postgresql(dot)org,Advocacy <pgsql-advocacy(at)postgresql(dot)org>
Subject: Re: [HACKERS] More benchmarking of wal_buffers
Date: 2003-02-13 05:30:07
Message-ID: 200302130530.h1D5U7K03547@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-advocacypgsql-hackerspgsql-performance
Christopher Kings-Lynne wrote:
> I'm not sure what I could test next.  Does FreeBSD support anything other
> than fsync?  eg. fdatasync, etc.  I can't see it in the man pages...

You are already getting the best default for your OS.  It say 'fsync'
for default, but the comment says the default is OS-specific.  The only
thing you can compare there is open_fdatasync vs fdatasync.

-- 
  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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