Retention schemes

	Metric class	Retention scheme
Device
	CPU utilization	Rollup
	Device availability	Rollup
	Device statistics	Age out
	Device status	Age out
	Host disk usage	Age out
	Host disk usage	Rollup
	Host software performance and status	Age out
	Host system statistics	Rollup
	Memory usage	Age out
	Memory usage	Rollup
	Module status	Age out
	ATM PVC throughput	Age out
	Domain controller	Age out
	IIS Webservice	Age out
	Microsoft message queuing	Age out
	SQL server	Age out
	Windows Services	Age out
	Windows System	Age out
Interface
	ATM PVC throughput	Rollup
	CoS-based discards	Rollup
	CoS-based interface throughput	Rollup
	Ethernet statistics	Age out
	Interface availability	Rollup
	Interface errors and discards	Rollup
	Interface status	Age out
	Interface utilization and throughput	Rollup
	Juniper LSP throughput	Rollup
IP SLA
	IP SLA latency	Age out
	IP SLA latency and jitter	Age out
	(Deprecated) IP SLA Jitter	Age out
	(Deprecated) IP SLA Latency	Age out
	(Deprecated) Real-Time Performance Monitoring DNS Latency	Age out
	(Deprecated) Real-Time Performance Monitoring HTTP Latency	Age out
	(Deprecated) Real-Time Performance Monitoring Jitter	Age out
	(Deprecated) Real-Time Performance Monitoring Latency	Age out
User-Defined		Age out