Richard Huxton wrote: > Reading Tom's posting here: > http://archives.postgresql.org/pgsql-general/2006-04/msg00499.php > > I just realised we don't seem to mention this in the docs anywhere. I > propose adding a short paragraph to 23.3.1 > http://www.postgresql.org/docs/8.1/static/backup-online.html#BACKUP-ONLINE-CAVEATS > > After "Except in the case of retrying a failure, it will be called only > once for any given file name." > > To identify the current, partially-filled WAL segment, sort first by > mtime and second by file name. That is, take the latest mtime among the > properly-named files, breaking ties by taking the higher filename.
I am confused by this. Why do both mtime and file name need to be checked? -- Bruce Momjian http://candle.pha.pa.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
