Greg Smith <[EMAIL PROTECTED]> writes: > The results I get now look fishy.
There are at least two things wrong with this program: * It does not respect the alignment requirement for O_DIRECT buffers (reportedly either 512 or 4096 bytes depending on filesystem). * It does not check for errors (if it had, you might have realized the other problem). regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org