ITAGAKI Takahiro wrote: > Bruce Momjian <pgman@candle.pha.pa.us> wrote: > > > I looked this over and I am unsure what this does for us that isn't > > already accomplished using the wal_sync_method settings. See xlog.c for > > a description of O_DIRECT and when it is used. > > I proposed it to supplement the cache control. There are some OSes that > supports posix_fadvise but not O_DIRECT, for example, NetBSD 4.0 > (http://www.netbsd.org/Changes/changes-4.0.html).
Oh, that makes sense then. Let me re-add it to the queue. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
