Re: Process wakeups when idle and power consumption

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Peter Geoghegan <peter(at)2ndquadrant(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Process wakeups when idle and power consumption
Date: 2011-05-05 20:08:00
Message-ID: 1304625992-sup-3619@alvh.no-ip.org
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Excerpts from Peter Geoghegan's message of jue may 05 16:49:25 -0300 2011:

> I'll need to take a look at statistics, autovacuum and Logger
> processes too, to see if they present more subtle opportunities for
> reduced idle power consumption.

More subtle? Autovacuum wakes up once per second and it could sleep a
lot longer if it weren't for the loop that checks for signals. I think
that could be improved a lot.

--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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