> What more complex tools would you recommend to monitor memory usage?
vmstat, and sar on Linux. Dtrace on BSD or Solaris, if you're ready to
write some d-script. pg_top for PG memory usage interactively.
See performance-whack-a-mole: www.pgcon.org/2009/schedule/events/188.en.html
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Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com