60. Middle Tier - Garbage Collection¶
If garbage collection is not working correctly it will affect the performance of the application and in worst case also make it unavailable. This check will alert if the Java Memory Usage is not working correctly.
Multiple Instances: Yes (per managed server)
Interval: Every 5 minutes (288 times per day)
| Status | Expression |
|---|---|
| Critical | If ( Java Memory Usage > 90%) |
| OK | If not status Critical. |
| Unknown | Missing application response. |