Re: High Processor consumption - Mailing list pgsql-performance

From Shridhar Daithankar
Subject Re: High Processor consumption
Date
Msg-id 3FBB0EE4.6010805@myrealbox.com
Whole thread Raw
In response to High Processor consumption  (Benjamin Bostow <ben@viatornetworks.com>)
List pgsql-performance
Benjamin Bostow wrote:

> I am running RH 7.3 running Apache 1.3.27-2 and PostgreSQL 7.2.3-5.73.
> When having 100+ users connected to my server I notice that postmaster
> consumes up wards of 90% of the processor and I hardly am higher than
> 10% idle. I did notice that when I kill apache and postmaster that my
> idle processor percentage goes to 95% or higher. I am looking on ways
> that I can find what connections are making the database processes run
> so high. If this could also tell which program is accessing it, it would
> be helpful. I have look through the documents on performance tuning
> postgresql and have adjusted my memory with little effect. I have even
> routed all traffic away from the Apache server so no load is on apache.
> I do have C programs that run and access the database. Any help will be
> greatly appreciated.

Routinely the CPU load for postgresql translates to too much low shared buffers
setting for requirement.

What are your postgresql.conf tunings? Could you please post them?

  Shridhar


pgsql-performance by date:

Previous
From: Shridhar Daithankar
Date:
Subject: Re: More detail on settings for pgavd?
Next
From: Shridhar Daithankar
Date:
Subject: Re: Join on incompatible types