Ok, here's the situation: we need to be able to spin the server running PostgreSQL down for power reasons (we have it set for wake on lan, so we'll still pick up the connections). However, the checkpoint code breaks out of its select every 5 minutes to do its thing. When it re-enters the select, it apparently "pings" the unix domain socket file in /tmp, which causes the disk to spin up, which causes the machine to wake up from power saver.
I know you can set the checkpoint timeout via postgresql.conf, however the highest setting is 3600 seconds, which isn't good enough (don't ask). So, alternately, is there any easy way I can configure PostgreSQL to TCP exclusively (i.e. no unix domain sockets *at all*)?
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