Re: Resources - Mailing list pgsql-sql

From Nick Fankhauser
Subject Re: Resources
Date
Msg-id NEBBLAAHGLEEPCGOBHDGKEMJECAA.nickf@ontko.com
Whole thread Raw
In response to Resources  (Gurudutt <guru@indvalley.com>)
List pgsql-sql
I think we'll need a lot more of the particulars about this query to help.
The query itself & the results of an "explain" on the query are a good
starting place.

Unless the query is really unusual, that does seem like a very excessive
time which can probably be improved.

Please give us some of the details.

Regards,

-Nick



> -----Original Message-----
> From: pgsql-sql-owner@postgresql.org
> [mailto:pgsql-sql-owner@postgresql.org]On Behalf Of Gurudutt
> Sent: Thursday, January 10, 2002 8:33 AM
> To: pgsql-sql@postgresql.org
> Subject: [SQL] Resources
>
>
> Hi,
>
> I have a pentium III server, running on RHL 7.1 with 256 MB RAM,
>
> The following is output of the "top" command for query which involves
> fetch from a table with about MAX of 10,000 rows.
>
> -------------------------------------TOP------------------------------
>   PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME COMMAND
>
>  3174 postgres  19   0  3328 3328  2672 R    99.0  1.3   0:58 postmaster
>  1199 nobody     9   0  3728 3728  2704 S     0.5  1.4   0:03 httpd
>  3035 root      10   0  1048 1048   840 R     0.3  0.4   0:15 top
>     1 root       8   0   544  544   472 S     0.0  0.2   0:04 init
>     2 root       9   0     0    0     0 SW    0.0  0.0   0:00 keventd
>     3 root
>
>
> Now, my question is, it takes ages(2 mints) for the query to run
> (regularly
> VACUUM ANALYZED Database) and if you look closely at the resources
> consumed by the postgres, it is almost taking away 100% CPU time.
>
> How can we make it faster and to consume less resources ??
>
> Can anybody suggest the steps they are taking for time-critical
> applications to run efficiently.
>
> Thanks in advance
>
> --
> Best regards,
>  Gurudutt                          mailto:guru@indvalley.com
>
> Life is not fair - get used to it.
> Bill Gates
>
>
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