"Martijn van Oosterhout" <kleptog@svana.org> wrote > > Below is a patch that tries to determine (for linux) if the pread is > emulated or not (using an autoconf test), and if so use it instead of > lseek.
Just FYI, this was proposed 2 years ago: http://archives.postgresql.org/pgsql-patches/2003-02/msg00197.php The basic problem I read from the above thread is that it does not give enough performance proofs on *various* platforms. Regards, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq