| Class | Description | 
|---|---|
| AbstractAlert | An abstraction over a fired alert, exposing the  AlertAPI. | 
| CpuUtilizationAlert | A CPU Utilization alert fired upon triggered CPU thresholds. | 
| ElasticAutoScalingAlert | Deprecated Since 12.1 - Elastic deployments support will be replaced with a different solution in upcoming releases, contact support for additional information. | 
| ElasticGridServiceAgentProvisioningAlert | Deprecated | 
| ElasticGridServiceContainerProvisioningAlert | Deprecated | 
| ElasticMachineProvisioningAlert | Deprecated | 
| GarbageCollectionAlert | A Garbage Collection duration alert, fired upon triggered GC thresholds. | 
| HeapMemoryUtilizationAlert | A heap memory utilization alert, fired upon triggered JVM heap-memory thresholds. | 
| MirrorPersistenceFailureAlert | A Mirror persistency failure alert, triggered upon a failed replication from primary Space to
 Mirror Space, due to an error (e.g. | 
| PhysicalMemoryUtilizationAlert | A physical memory utilization alert, fired upon triggered machine physical memory thresholds. | 
| ProcessingUnitInstanceMemberAliveIndicatorAlert | A processing unit instance fault-detection alert triggered when a Grid Service Manager fails to
 monitor a processing unit instance. | 
| ProvisionFailureAlert | A provision failure alert triggered when a processing unit has less actual instances than planned
 instances. | 
| ReplicationChannelDisconnectedAlert | A replication channel disconnection alert, fired upon a disconnected channel between a source
 (primary Space) and it's target (backup Space or Mirror). | 
| ReplicationRedoLogOverflowToDiskAlert | A replication redo-log overflow to disk alert, fired when the redo-log exceeds the defined
 redo-log memory capacity and overflows to disk. | 
| ReplicationRedoLogSizeAlert | A replication redo-log size alert, fired upon redo-log increase, indicating that packets are not
 being sent from a source Space to it's target Space (backup or mirror). | 
| SpacePartitionSplitBrainAlert | A Space partition split-brain alert triggered when two primaries are detected in the same
 partition. | 
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