Florian Pflug <fgp@phlo.org> writes:
> On Jan11, 2011, at 18:09 , Garick Hamlin wrote:
>> My gut was that direct io would likely work right on Linux
>> and Solaris, at least.
> Didn't we discover recently that O_DIRECT fails for ext4 on linux
> if ordered=data, or something like that?
Quite. Blithe assertions that something like this "should work" aren't
worth the electrons they're written on.
regards, tom lane