On Tue, Oct 24, 2006 at 03:47:52PM +0100, Shane Wright wrote: > > Incidentally, how many passes of a table can vacuum make! Its currently > on its third trip through the 20Gb of indices, meaning another 7 hours > till completion [of this table]!. > > Assume it only does three passes? (it chooses based on the table > continuing to be updated while vacuum is running) It depends on how many tuples it needs to process and how much memory you gave it (the maintainence_work_mem settings). The more memory you give it, the less passes it needs to do... Have a nice day, -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to litigate.
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