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Rails MySQL Session Sweeper (See related posts)

1) Download the launchd GUI, Lingon, from:

2) Add hourly job:

$RAILS_APP_DIR/script/runner 'ActiveRecord::Base.connection.delete("DELETE FROM sessions WHERE updated_at < now() - INTERVAL 1 HOUR")'

3) My launchd task plist file (yours will vary):

<?xml version="1.0" encoding="UTF-8"?>
DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "">
<plist version="1.0">
                'ActiveRecord::Base.connection.delete("DELETE FROM sessions WHERE updated_at < now() - INTERVAL 1 HOUR")'</string>

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