> On Apr 9, 2015, at 11:01 AM, Nick Upson n...@telensa.com [firebird-support] > <firebird-support@yahoogroups.com> wrote: > > to make sure I've got this right
Not quite. > > starting with the same database I can do either > > a) gbak with gc Won't advance the oldest active > > b) gbak without gc and gfix -sweep Will move the oldest active and will get a few more records than a) > > and I will have the same final result Best is gback with garbage collect plus sweep: moves the oldest actives, gets the most old versions, shouldn't take much longer since the sweep doesn't do much. > > > Extending this further, how can identify which tables contain (or did > contain) the garbage. gstat shows the number of versions present before you start. > > good luck, Ann >
