# Constraints

Table 1 lists Cloud Eye resource limits for a user. The alarm rule quota can be increased. For details about how to adjust quotas, see Quota Adjustment.

Table 1 User resource limits
Item | Maximum Number Allowed
--- | ---
Alarm rules that can be created | 100
Custom alarm templates that can be created | 50
Alarm rules that can be added to an alarm template | 20
Monitoring panels that can be created | 20
Graphs that can be added to a monitoring panel | 24
Time that the alarm history can be kept | 720 hours
Instances that can be selected for single alarm rule creation | 50
Alarm rules that can be created at a time | 1,000 NOTE: If you select 50 monitored objects and 20 metrics, the number of alarm rules that can be created is 1,000.
Topics that can be selected for receiving notifications | 5
Monitoring data records that can be exported at a time | 400 NOTE: If 400 monitored objects are to be exported, only records of one metric can be exported. If 80 monitored objects are to be exported, records of 5 metrics can be exported.
Resource groups that can be created | 10

Parent topic: Product Introduction