Recommended Metric Alarm Policies for GeminiDB Redis Instances

This section describes recommended alarm policies of GeminiDB Redis instances and nodes.

**Table 1** Alarm policies for GeminiDB Redis instances
Metric	Dimension	Value Range	Alarm Policy
Total Traffic Sent by the Instance	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 875,000,000 bytes/s Alarm period: every 5 minutes
Total Traffic Received by the Instance	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 875,000,000 bytes/s Alarm period: every 5 minutes
Average Latency	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 5 Alarm threshold: ≥ 15,000 us Alarm period: every 15 minutes
P99 Latency	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 5 Alarm threshold: ≥ 30,000 us Alarm period: every 15 minutes
Storage Usage	Instance	0-100%	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 70% Alarm period: once a day
Max. Parameters Sent in a Request	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 1 Alarm threshold: ≥ 10,000 Alarm period: every 15 minutes
Max. Elements Obtained in a Request	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 1 Alarm threshold: ≥ 10,000 Alarm period: every 15 minutes
Max. Bytes Sent in a Request	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 1 Alarm threshold: ≥ 1MiB Alarm period: every 15 minutes
Max. Bytes Obtained in a Request	Instance	≥ 0	Alarm severity: major Number of consecutive periods: 1 Alarm threshold: ≥ 1MiB Alarm period: every 15 minutes

**Table 2** Alarm policies for GeminiDB Redis nodes
Metric	Dimension	Value Range	Alarm Policy
CPU Usage	Node	0-100%	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 70% Alarm period: every 15 minutes
Memory Usage	Node	0-100%	Alarm severity: warning Number of consecutive periods: 3 Alarm threshold: ≥ 70% Alarm period: every 15 minutes
Connection Usage	Node	0-100%	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 50% Alarm period: every 5 minutes
Traffic Receive Speed	Node	≥ 0	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 87,500,000 bytes/s Alarm period: every 5 minutes
Traffic Send Speed	Node	≥ 0	Alarm severity: major Number of consecutive periods: 3 Alarm threshold: ≥ 87,500,000 bytes/s Alarm period: every 5 minutes