On Wed, Jul 19, 2006 at 03:03:43PM +0200, DANTE Alexandra wrote: > Imagine you have a database on which a lot of transactions are done > daily : the tables will contain a lot of dead tuples and the B-tree > index too. > > If I do a VACUUM on this database, will the B-tree index be scanned, > space reclaimed and made available for re-use ?
Old versions didn't, but recent versions do. > Does this action only do by a VACUUM FULL ? Also by VACUUM FULL, but plain VACIIM is enough. > Or is it necessary to do a REINDEX on the index to retrieve a > well-balanced tree ? There are always corner case situations. In older versions a REINDEX helped balance the tree but recent versions are much better. Have a nice day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to > litigate.
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