Re: slow index lookup

i have several partitions like this (similar size ...similar data
distribution)..these partitions are only "inserted"..never updated.
Why would I need to vacuum..

I can reindex..just curious what can cause the index to go out of whack.

On Tue, Jun 22, 2010 at 4:44 PM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:
> Excerpts from Anj Adu's message of mar jun 22 17:44:39 -0400 2010:
>> This query seems unreasonable slow on a well-indexed table (13 million
>> rows). Separate indexes are present on guardid_id , from_num and
>> targetprt columns.
>
> Maybe you need to vacuum or reindex?
>
> --
> Álvaro Herrera <alvherre@commandprompt.com>
> The PostgreSQL Company - Command Prompt, Inc.
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