Re: fsync vs open_sync

pgsql@mohawksoft.com wrote:

>I have been considering a full sweep in my test lab off client time later on.
>
>ext2, ext3, jfs, xfs, and ReiserFS, fsync on with fdatasync or open_sync,
>and fsync off.
>  
>
Before you start: double check that the disks are not lying:
At least the suse 2.4 kernel send cache flush commands to ide disks on 
fsync(), but not with O_SYNC:

http://marc.theaimsgroup.com/?l=linux-kernel&m=107964507113585


--   Manfred