On Thu, 29 Nov 2001, bangh wrote:
> HI,
>
> This is not necessary true, but you might feel understandable.
>
> To delete records, just seems as the records are marked as voided. Space is not
> collected. To run vaccum might do this kind space garbage collection.
>
> To run vacummdb really save the space, but it works at only some extent. e.g.
> index still goes quickly, it goes bigger and bigger, one day it eats all your
> space you have, behaves as gets a virus. In this case, my solution is to use
> pg_dump the original one, create new one and restory, this reaaly save your
> space, but you cannot do this as frequently as you do "vacuum". It costs much
> more CPU time to do it if your database is huge.
I think REINDEX or just DROP INDEX/CREATE INDEX should do the same thing
without requiring the dump/restore.