Re: cpu throttling

From: Alan Hodgson <ahodgson(at)simkin(dot)ca>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: cpu throttling
Date: 2007-08-02 16:14:37
Message-ID: 200708020914.37180@hal.medialogik.com
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On Thursday 02 August 2007 09:02, "Bryan Murphy" <bryan(dot)murphy(at)gmail(dot)com>
wrote:
> My question: Is there a way I can decrease the priority of a specific
> query, or determine the PID of the process it is running in? I'd like
> to throw together a quick shell script if at all possible, as right
> now I have to monitor the process manually and we'll have fixed the
> problem long before we have the chance to implement proper database
> clustering.

select procpid from pg_stat_activity where current_query
like '%stored_proc%' and current_query not like '%pg_stat_activity%';

requires stats_command_string to be enabled

I'm surprised your operating system doesn't automatically lower the priority
of the process, though ..

--
"Remember when computers were frustrating because they did exactly what
you told them to? That actually seems sort of quaint now." --J.D. Baldwin

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