Anomaly detectors
Dynatrace supports anomaly detection and alerting for Kubernetes entities. This section provides a complete list of available alerts as well as default settings for new environments.
Available alerts
Cluster
Node
ContainerRuntimeUnhealthy
, DiskPressure
, FrequentContainerdRestart
, FrequentDockerRestart
, FrequentKubeletRestart
, KernelDeadlock
, KubeletUnhealthy
, MemoryPressure
, NetworkUnavailable
, OutOfDisk
, PIDPressure
, ReadonlyFilesystem
, ContainerRuntimeProblem
, CorruptDockerOverlay2
, FilesystemCorruptionProblem
, FrequentGcfsdRestart
, FrequentGcfsSnapshotterRestart
, FrequentUnregisterNetDevice
, GcfsdUnhealthy
, GcfsSnapshotterMissingLayer
, GcfsSnapshotterUnhealthy
, KubeletProblem
Namespace
Workload
Persistent volume claim alerts
Default settings for new environments
The following section outlines all the alerts that are enabled by default along with their respective settings.
Default values for new environments may differ from the values applied when resetting alert configurations in the Dynatrace Classic interface.
Cluster
Alert | Setting | Value |
---|---|---|
Readiness Issues | sample period in minutes | 3 |
observation period in minutes | 5 | |
Monitoring Issues | sample period in minutes | 15 |
observation period in minutes | 30 |
Node
Alert | Setting | Value |
---|---|---|
Readiness Issues | sample period in minutes | 3 |
observation period in minutes | 5 | |
Node Problematic Condition | sample period in minutes | 3 |
observation period in minutes | 5 |
Pvc
Alert | Setting | Value |
---|---|---|
Low Disk Space Critical Percentage | threshold | 3 |
sample period in minutes | 3 | |
observation period in minutes | 5 |
Workload
Alert | Setting | Value |
---|---|---|
Container Restarts | threshold | 1 |
sample period in minutes | 3 | |
observation period in minutes | 5 | |
Deployment Stuck | sample period in minutes | 3 |
observation period in minutes | 5 | |
Pending Pods | threshold | 1 |
sample period in minutes | 10 | |
observation period in minutes | 15 | |
Pod Stuck In Terminating | sample period in minutes | 10 |
observation period in minutes | 15 | |
Workload Without Ready Pods | sample period in minutes | 10 |
observation period in minutes | 15 | |
Oom Kills | alert | always |
Job Failure Events | alert | always |
Pod Backoff Events | alert | always |
Pod Eviction Events | alert | always |
Pod Preemption Events | alert | always |