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Re: sync vs. fsync question

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>
Subject: Re: sync vs. fsync question
Date: 2004-06-01 01:48:59
Message-ID: 200406010148.i511mxJ17994@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Christopher Kings-Lynne wrote:
> Hi,
> 
> I had this question posed to me on IRC and I didn't know the answer.
> 
> If all that is needed to ensure integrity is that the WAL is fsynced, 
> what is wrong with just going:
> 
> wal_sync_method = fsync
> fsync = false

wal_sync_method is only used if fsync is true.

-- 
  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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