System Monitor Status and Resource Metrics

The following table lists the system status and resource usage metrics sampled by System Monitor and the notification thresholds and rules for each that result in warnings (severity 1), alerts (severity 2), and “status OK” severity 0 notifications.

System Monitor Status and Resource Notifications

Metric	Description	Notification Rules
Disk Space	Available space in a database directory	< 250MB — warning < 50MB — alert > 250 after warning/alert — OK
Journal Space	Available space in the journal directory	< 250MB — warning < 50MB — alert > 250 after warning/alert — OK
Paging	Percentage of physical memory and paging space used	paging space > 30% — warning physical memory > 96% + paging space > 50% — alert
Lock Table	Percentage of the lock table in use	> 85% — warning > 95% — alert < 85% after warning/alert — OK
Write Daemon	Status of the write daemon	write daemon is awake and processing its (non-empty) queue but has been on one cycle at least 10 seconds longer than the configured write daemon cycle time (default 80 seconds) — alert write daemon completes a pass after alert — OK
ECP Connections	State of connections to ECP application servers or ECP data servers	state is Trouble for at least five (5) seconds — alert
Shadow Server	Status of connection to shadow sources	trouble — warning disconnected — alert
Shared Memory Heap (Generic Memory Heap)	Status of shared memory heap (SMH), also known as generic memory heap (gmheap)	SMH (gmheap) status 1 — warning SMH (gmheap) status 2 — alert
Open Transactions	Duration of longest open local or remote (ECP) transactions	> 10 minutes — warning > 20 minutes — alert
License Expiration	Days until license expires	7 days — warning 5 days or fewer — alert (daily)
SSL/TLS Certificate Expiration	Days until certificate expires	individual certificate expires within 30 days — warning (repeated daily) one or more daily expiring certificate warnings — alert (summary of warnings, one per day)
ISCAgent (mirror members only)	ISCAgent status	Unresponsive for <1 minute — warning Unresponsive for >1 minute — alert