On 26 Mar, Bruce Momjian wrote:
> [EMAIL PROTECTED] wrote:
>> On 26 Mar, Manfred Spraul wrote:
>> > [EMAIL PROTECTED] wrote:
>> > 
>> >>Compare file sync methods with one 8k write:
>> >>        (o_dsync unavailable)  
>> >>        open o_sync, write       6.270724
>> >>        write, fdatasync        13.275225
>> >>        write, fsync,           13.359847
>> >>  
>> >>
>> > Odd. Which filesystem, which kernel? It seems fdatasync is broken and 
>> > syncs the inode, too.
>> 
>> It's linux-2.6.5-rc1 with ext2 filesystems.
> 
> Would you benchmark open_sync for wal_sync_method too?

Oh yeah.  Will try to get results later today.

Mark 


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