■All transactions to and from the applications are logged
◦Query transactions are kept for a period of 2 weeks
◦Content altering transactions are stored permanently
■All services are monitored using an internal monitoring system
◦CPU, memory, io, disk usage
◦Network usage
◦Temperature
◦Others (e.g. per service number of connections, per service memory usage, number of concurrent session, database availability )
■All services are monitored from an external source
◦Yearly, monthly, daily and hourly statistics are kept on :
◦Performance (time it takes to get an answer)
◦Concurrence (bulk requests or multiple connections)
◦Network usage
◦CPU usage
◦Memory usage
◦Others (disk usage, temperature, power usage )
■ 24x7 monitoring service
■ Multiple notification methods available
■Open source based on cacti/nagios/mrtg
