Re: automatic REINDEX-ing

From: William Garrison <postgres(at)mobydisk(dot)com>
To:
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: automatic REINDEX-ing
Date: 2008-08-12 16:09:50
Message-ID: 48A1B5CE.8030201@mobydisk.com
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Tom Lane wrote:
> Joao Ferreira gmail <joao(dot)miguel(dot)c(dot)ferreira(at)gmail(dot)com> writes:
>
>> I executed REINDEX by hand and the disk ocupation imediatelly dropped 6
>> Giga...!!!
>>
>
>
>> is there a way to configure postgres to automatically execute the needed
>> REINDEXING (on indexes and tables) for a given database....
>>
>
> Generally speaking, there shouldn't be a need for "automatic
> reindexing". What the above suggests is that you need more aggressive
> routine vacuuming, so that you don't get into this situation in the
> first place.
>
> BTW, "more aggressive routine vacuuming" does NOT mean "use vacuum full".
> Vacuum full tends to make index bloat worse, not better.
>
> regards, tom lane
>
>

So now that we know what that term does not mean, what does it mean?
Just doing it more often by adjusting the autovacuum parameters?

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