Re: Slow after VACUUM, fast after DROP-CREATE INDEX

Thanks Harald, i'm running PostgreSQL 7.1.3.



Harald Fuchs wrote:

> In article <411296B5.6000204@superguai.com>,
> ruben <ruben20@superguai.com> writes:
>
>
>>Today, one of the processes running daily took 4 hours when it takes
>>about 5 minutes. After a VACCUM ANALYZE of the affected tables it took
>>the same to finish, then I recreated (drop and create) the index of
>>the affected table and the process when again fast. My question is,
>>isn't enough to run a VACCUM to optimize a table and its indexes? Is
>>it advisable to recreate indexes from time to time?
>
>
> This was necessary in PostgreSQL up to 7.3.x, but 7.4.x is supposed to
> fix that.  What version are you running?
>
>
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