Kubernetes Performance Metrics
Get complete visibility into your Kubernetes cluster by monitoring the below key performance indicators:
- Clusters
- Namespaces
- Services
- Nodes
- Pods
- Containers
- Deployments
- ReplicaSets
- DaemonSets
- Endpoints
- Horizontal Pod Autoscaler (HPA)
- StatefulSets
- Persistent Volume Claim
Performance Metrics for Clusters
Go to Kubernetes and click the cluster to view its performance metrics. Note that these metrics provide the aggregated value of all the nodes in the cluster.
| Metric name | Description |
|---|---|
| Memory Usage (WSS) | The amount of memory used (Working Set Size) |
| Memory Capacity | The capacity of the cluster memory |
| Memory Usage Percentage | The percentage of memory used |
| Memory Reserved | The amount of memory reserved by pods |
| Memory Allocatable | The amount of memory ready to be allocated |
| Performance | |
| Memory Reserved Percentage | The percentage of memory reserved by pods |
| CPU Usage | The amount of CPU used |
| CPU Capacity | The capacity of the cluster CPU |
| CPU Usage Percentage | The percentage of CPU used |
| CPU Reserved | The amount of CPU reserved by pods |
| CPU Allocatable | The amount of CPU ready to be allocated |
| CPU Reserved Percentage | The percentage of memory reserved by pods |
| Number of Pods Current Scheduled | The total number of pods scheduled currently |
| Pods Allocatable | The number of pods ready to be allocated |
| Pods Usage Percentage | The percentage of pods used |
| Disk Used | The amount of disk used |
| Disk Capacity | The capacity of the disk |
| Disk Usage Percentage | The percentage of disk used |
Performance Metrics for Namespaces
Go to Kubernetes and > Select the cluster > Namespaces. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| UID | The unique ID of the namespace |
| Creation Time Stamp | The timestamp when the namespace was created |
| Phase | The status of the namespace (Active or Terminating) |
| Age | The time duration since the namespace was created |
| CPU Usage | The CPU usage of pods in the namespace |
| Memory Usage | The memory usage of pods in the namespace |
| RSS Memory Usage | The RSS memory usage of pods in the namespace |
| CPU Request | The amount of CPU requested by the pods |
| Memory Request | The amount of memory requested by the pods |
| CPU Limit | The amount of CPU limit set for the pods |
| Memory Limit | The amount of memory limit set for the pods |
| Received Data per Interval | The data transferred between two consecutive data collection intervals (five min) |
| Transmitted Data per Interval | The data received between the two consecutive data collection intervals (five min) |
| Pods Pending | The number of pending pods |
| Pods Running | The number of running pods |
| Pods Failed | The number of failed pods |
| Pods Succeeded | The number of succeeded pods |
| Pods Unknown | The number of unknown pods |
Performance metrics for services
Go to Kubernetes > Select the cluster > Services and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Summary | |
| Configuration Details | Gives the name, type, annotations, IDs, labels, and IP addresses of the load balancer and cluster |
| Inventory details | |
| Associated Components | Lists the other components associated with this service like deployments, nodes, and pods. Click on a resource type to view a detailed inventory report |
| CPU Usage | The CPU usage of pods in the service |
| Memory Usage | The memory usage of pods in the service |
| RSS Memory Usage | The RSS memory usage of pods in the service |
| CPU Request | The amount of CPU requested by the pods |
| Memory Request | The amount of memory requested by the pods |
| CPU Limit | The amount of CPU limit set for the pods |
| Memory Limit | The amount of memory limit set for the pods |
| Received Data per Interval | The data transferred between two consecutive data collection intervals (five min) |
| Transmitted Data per Interval | The data received between two consecutive data collection intervals (five min) |
Performance metrics for nodes
Go to Kubernetes > Select the cluster > Nodes. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Configuration Details | Gives the name, created time, unique ID, labels, annotations, and more |
| Total Replicas | The total number of replicas per deployment |
| Fully Labeled Replicas | The number of fully labeled replicas per ReplicaSet |
| Ready Replicas | The number of replicas ready per ReplicaSet |
| Desired Pods on ReplicaSets | The number of desired pods for a ReplicaSet |
Performance Metrics for Pods
Go to Kubernetes > Select the cluster > Pods. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Summary | |
| Configuration Details | Gives the name, host IP, DNS policy, labels, and more |
| Conditions | Lists the various conditions for pods functioning; thresholds can be set for each of these conditions |
| Performance | |
| Pod Status | Status of pods in a given phase |
| Pod Status Ready | Tells whether the pod is ready to serve requests |
| Pod Status Scheduled | Status of the scheduling process for the pod |
| CPU Usage | The total amount of CPU used |
| Memory Usage (WSS) | The amount of memory used (Working Set Size) |
| Resident Set Size | The amount of RAM set in the pod |
| Network Transmitted Bytes | The amount of bytes transmitted by the pod |
| Network Received Bytes | The amount of bytes received by the pod |
| CPU Limit | The CPU limit set for the pod |
| Memory Limit | The memory limit set for the pod |
| CPU Utilization | The percentage of CPU utilized by the pod |
| Memory Utilization | The percentage of memory utilized by the pod |
| Restart Count | The number of times the pod has restarted |
Performance metrics for containers
Go to Kubernetes > Select the cluster > Containers. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Port Bindings | Details of all the ports exposed by the container and their mappings with the host |
| Volume Bindings | Details of all the volumes attached to the container |
| CPU Utilization | CPU utilization for the container in the pod specification |
| Network Stats | Total number of bytes received and transmitted by the container interfaces |
| I/O Utilization | Number of I/Os read, written, completed to/from the disk by the container |
| Anonymous Memory Statistics | The amount of anonymous memory identified as active and inactive by the kernel, respectively |
| File Statistics | Cache memory that has been identified as active and inactive by the kernel, respectively |
| Cache Size | The amount of memory used by the processes of the control group |
| Page Statistics | Each time a page is "charged" (added to the accounting) to a Cgroup, PgPin increases; when a page is “uncharged” (no longer “billed” to a Cgroup), PgOut increases |
| Resident Set Size | Non-cache memory for a process |
| Total Memory | The amount of container memory that doesn't correspond to anything on disk: stacks, heaps, and anonymous memory maps |
| Swap Memory | The excess memory requirements to disk when the container has exhausted all the RAM that is available to it |
| Unevictable Memory | The amount of memory that cannot be reclaimed. Generally, this accounts for the memory that has been locked with mlock. It is often used by crypto frameworks to make sure that secret keys and other sensitive material never gets swapped out to disk. |
| Restart Count | The number of times the container has restarted |
| CPU Usage | The amount of CPU used |
| Memory Usage | The amount of memory used |
Performance metrics for deployments
Go to Kubernetes > Select the cluster > Deployments. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Configuration Details | Gives the name, created time, unique ID, labels, annotations, and more |
| Status of ReplicaSets | The status of replicas per ReplicaSet |
| Current Number of Pods | The current number of pod resources in the node |
| Status of Available and Unavailable Pods | The pod resources of a node that are available and not available for scheduling |
| Desired Number of Pods | The minimum desired number of healthy pods |
| Status of Paused Deployments | Tells whether or not a deployment is paused |
| Max Unavailable Replicas during a Rolling Update | Maximum number of unavailable replicas during a rolling update |
| CPU Usage | The CPU usage of pods in the deployment |
| Memory Usage | The memory usage of pods in the deployment |
| RSS Memory Usage | The RSS memory usage of pods in the deployment |
| CPU Request | The amount of CPU requested by the pods |
| Memory Request | The amount of memory requested by the pods |
| CPU Limit | The amount of CPU limit set for the pods |
| Memory Limit | The amount of memory limit set for the pods |
| Received Data per Interval | The data transferred between two consecutive data collection intervals (five min) |
| Transmitted Data per Interval | The data received between two consecutive data collection intervals (five min) |
Performance metrics for ReplicaSets
Go to Kubernetes > Select the cluster > ReplicaSets. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Configuration Details | Gives the name, created time, unique ID, labels, annotations, and more |
| Total Replicas | The total number of replicas per deployment |
| Fully Labeled Replicas | The number of fully labeled replicas per ReplicaSet |
| Ready Replicas | The number of replicas ready per ReplicaSet |
| Desired Pods on ReplicaSets | The number of desired pods for a ReplicaSet |
Performance metrics for DaemonSets
Go to Kubernetes > Select the cluster > DaemonSets. Click the Monitor List View button at the top right and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Configuration Details | Gives the name, created time, unique ID, labels, annotations, and more |
| Available Count of DaemonSets | The number of available daemonsets per deployment |
| Currently Scheduled DaemonSets | The number of nodes that are currently running at least one daemon pod |
| DaemonSets Ready to be Deployed | The number of nodes running the daemon pod and have one or more running and ready |
| Updated DaemonSets | The nodes that run the updated daemon pod spec |
| CPU Usage | The CPU usage of pods in the daemonset |
| Memory Usage | The memory usage of pods in the daemonset |
| RSS Memory Usage | The RSS memory usage of pods in the daemonset |
| CPU Request | The amount of CPU requested by the pods |
| Memory Request | The amount of memory requested by the pods |
| CPU Limit | The amount of CPU limit set for the pods |
| Memory Limit | The amount of memory limit set for the pods |
| Received Data per Interval | The data transferred between two consecutive data collection intervals (five min) |
| Transmitted Data per Interval | The data received between two consecutive data collection intervals (five min) |
Performance metrics for endpoints
Go to Kubernetes > Select the cluster > Endpoints and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Configuration Details | Gives the name of the endpoint and namespace, unique ID, and created time |
| Endpoints Created | Network endpoints created within a Kubernetes cluster |
| Available Addresses | The number of IP addresses available in the endpoint |
| Address Not Ready | The number of IP addresses not ready in the endpoint |
Performance metrics for Horizontal Pod Autoscaler (HPA)
Go to Kubernetes > Select the cluster > HPA then click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Configuration Details | Gives the name of HPA and namespace, unique ID, kind of scale set, and created time |
| Current Replicas | Current number of replicas of pods managed by the autoscaler |
| Current vs Target CPU Utilization | Current and target average CPU utilization over all pods, represented as a percentage of requested CPU. For example, 70 means that an average pod is using 70% of its requested CPU. |
| Current and Desired Replicas | Current and desired number of replicas of pods managed by the autoscaler |
| Status Condition | The condition of the autoscaler |
Performance metrics for StatefulSets
Go to Kubernetes > Select the cluster > StatefulSet. Click the Monitor List View button at the top right corner and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| StatefulSet Details | Gives the name of the StatefulSet, namespace, the created time, and unique ID |
| Config Details | Gives the current and updated revision, service name, pod management policy, update strategy, and more |
| StatefulSet Status Replicas | The total number of replicas created by the statefulset |
| StatefulSet Current Replicas | The total number of replicas created by the current version of the StatefulSet |
| StatefulSet Ready Replicas | The number of ready replicas created by the statefulset |
| StatefulSet Updated Replicas | The number of replicas updated to the new version of the statefulset |
| Replicas | The desired number of replicas per statefulset |
| Collision Count | The count of hash collisions for the statefulset |
| CPU Usage | The CPU usage of pods in the statefulset |
| Memory Usage | The memory usage of pods in the statefulset |
| RSS Memory | The RSS memory usage of pods in the statefulset |
| CPU Request | The amount of CPU requested by the pods |
| Memory Request | The amount of memory requested by the pods |
| CPU Limit | The amount of CPU limit set for the pods |
| Memory Limit | The amount of memory limit set for the pods |
| Received Data per Interval | The data transferred between two consecutive data collection intervals (five min) |
| Transmitted Data per Interval | The data received between two consecutive data collection intervals (five min) |
Performance metrics for Persistent Volume Claim
Go to Kubernetes > Select the cluster > Persistent Volume Claim (PVC) and click the monitor to view performance metrics.
| Metric name | Description |
|---|---|
| Persistent Volume Claim Details | Gives the name of the PVC name, namespace, the created time, and unique ID |
| Config Details | Gives the volume name, mode, storage class, finalizers, and more |
| Persistent Volume Claim Status Phase | Gives the current information and status of the PVC |