On 26 Mar, Bruce Momjian wrote:
> markw(at)osdl(dot)org wrote:
>> On 26 Mar, Manfred Spraul wrote:
>> > markw(at)osdl(dot)org 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.
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