Horton

RE: Allowing WAL fsync to be done via O_SYNC

Mikheev, Vadim <vmikheev@sectorbase.com>

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From: "Mikheev, Vadim" <vmikheev@SECTORBASE.COM>
To: "'Tom Lane'" <tgl@sss.pgh.pa.us>, Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Peter Eisentraut <peter_e@gmx.net>, pgsql-hackers@postgresql.org
Date: 2001-03-15T21:28:08Z
Lists: pgsql-hackers 
> I believe that we don't know enough yet to nail down a hard-wired
> decision.  Vadim's idea of preferring O_DSYNC if it appears to be
> different from O_SYNC is a good first cut, but I think we'd 
> better make it possible to override that, at least for testing purposes.

So let's leave fsync as default and add option to open log files
with O_DSYNC/O_SYNC.

Vadim