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Rails MySQL Session Sweeper (See related posts)

1) Download the launchd GUI, Lingon, from: http://lingon.sourceforge.net/

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" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>Labelkey>
        us.boygeni.mysql-session-sweeper</string>
        <key>LowPriorityIOkey>
        />
        <key>ProgramArgumentskey>
        
                /users/defeated/Sites/rails_apps/boygenius/script/runnerstring>
                'ActiveRecord::Base.connection.delete("DELETE FROM sessions WHERE updated_at < now() - INTERVAL 1 HOUR")'</string>
        array>
        RunAtLoad</key>
        <true/>
        <key>StartIntervalkey>
        3600</integer>
dict>
</plist>

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