Re: slow index lookup

I did post the explain analyze..can you please clarify

On Tue, Jun 22, 2010 at 6:10 PM, Joshua D. Drake <jd(at)commandprompt(dot)com> wrote:
> On Tue, 2010-06-22 at 18:00 -0700, Anj Adu wrote:
>> i have several partitions like this (similar size ...similar data
>> distribution)..these partitions are only "inserted"..never updated.
>> Why would I need to vacuum..
>>
>
> An explain analyze is what is in order for further diagnosis.
>
> JD
>
>
>> 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(at)commandprompt(dot)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(at)commandprompt(dot)com>
>> > The PostgreSQL Company - Command Prompt, Inc.
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>>
>
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