Re: very slow selects on a small table - Mailing list pgsql-performance

From Grzegorz Jaśkiewicz
Subject Re: very slow selects on a small table
Date
Msg-id 2f4958ff0906181012p17f4d328pf4bd8a4ab1501351@mail.gmail.com
Whole thread Raw
In response to Re: very slow selects on a small table  (Brian Cox <brian.cox@ca.com>)
List pgsql-performance
On Thu, Jun 18, 2009 at 6:06 PM, Brian Cox<brian.cox@ca.com> wrote:

> these queries are still running now 27.5 hours later... These queries are
> generated by some java code and in putting it into a test program so I could
> capture the queries, I failed to get the id range correct -- sorry for
> wasting your time with bogus data. Below is the EXPLAIN output from the 4
> correct queries. I can't tell which one is being executed by PID 7397, but
> the query plans, except the last, do look very similar. In any event, as I
> mentioned, all 4 are still running.
this might be quite bogus question, just a hit - but what is your
work_mem set to ?
Guys, isn't postgresql giving hudge cost, when it can't sort in memory ?

--
GJ

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