Tom Lane wrote: > Chris Jewell <c.jewell@xxxxxxxxxxxxxxx> writes: > > Further to my question on PITR, I have now implemented it :-) However, > > I was wondering about the frequency of archiving the WAL. Does > > postgresql wait until the current WAL file has reached 16MB before > > calling the archive_command? > > Yes. The assumption is the archive_command may be too stupid to deal > with archiving the same file more than once, and/or might have > performance issues with doing that, eg, if it's writing to tape or some > kind of write-once media. > > You can do something like saving the newest-by-timestamp file in the > xlog directory every minute or whatever via a cron job. This ought to > be better integrated though ... FYI, this is documented. -- Bruce Momjian | http://candle.pha.pa.us pgman@xxxxxxxxxxxxxxxx | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073