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Data Bases > Pgsql Performance > Re: Seqscan pro...
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Re: Seqscan problem

by arhipov@[EMAIL PROTECTED] (Vlad Arkhipov) May 7, 2008 at 09:48 AM

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Tom Lane writes:
> Vlad Arkhipov <arhipov@[EMAIL PROTECTED]
> writes:
>   
>> I've just discovered a problem with quite simple query. It's really 
>> confusing me.
>> Postgresql 8.3.1, random_page_cost=1.1. All tables were analyzed before

>> query.
>>     
>
> What have you got effective_cache_size set to?
>
> 			regards, tom lane
>
>   

1024M

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Tom Lane writes:
<blockquote cite="mid:13631.1210083727@[EMAIL PROTECTED]
" type="cite">
  <pre wrap="">Vlad Arkhipov <a class="moz-txt-link-rfc2396E"
href="mailto:arhipov@[EMAIL PROTECTED]
">&lt;arhipov@[EMAIL PROTECTED]
>
writes:
  </pre>
  <blockquote type="cite">
    <pre wrap="">I've just discovered a problem with quite simple query.
It's really 
confusing me.
Postgresql 8.3.1, random_page_cost=1.1. All tables were analyzed before 
query.
    </pre>
  </blockquote>
  <pre wrap=""><!---->
What have you got effective_cache_size set to?

			regards, tom lane

  </pre>
</blockquote>
<br>
1024M
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 3 Posts in Topic:
Seqscan problem
arhipov@[EMAIL PROTECTED]  2008-05-06 20:14:03 
Re: Seqscan problem
tgl@[EMAIL PROTECTED] (T  2008-05-06 10:22:07 
Re: Seqscan problem
arhipov@[EMAIL PROTECTED]  2008-05-07 09:48:36 

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tan12V112 Mon Sep 8 3:00:25 CDT 2008.