"Simon Riggs" <[EMAIL PROTECTED]> writes: > Reading through the design, I see the following
> - bgwriter performs XLogWrite, not each backend > - WAL fsync is only performed when WAL file fills > - no checkpoints are performed until shutdown > Not checkpointing at all is not a good plan, since this will lead to an > enormous build up of WAL files and a very long recovery time if the > system does fail. Indeed, that seems utterly unacceptable; moreover it's hard to see how you get a noticeable performance win, compared to a sane checkpoint interval of some-fraction-of-an-hour. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings