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kubectl top

Synopsis

Display resource (CPU/memory) usage.

The top command allows you to see the resource consumption for nodes or pods.

This command requires Metrics Server to be correctly configured and working on the server.

kubectl top [flags]

Options

-h, --help

help for top

--as string

Username to impersonate for the operation. User could be a regular user or a service account in a namespace.
--as-group strings

Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
--as-uid string

UID to impersonate for the operation.
--azure-container-registry-config string

Path to the file containing Azure container registry configuration information.
--cache-dir string     Default: "$HOME/.kube/cache"

Default cache directory
--certificate-authority string

Path to a cert file for the certificate authority
--client-certificate string

Path to a client certificate file for TLS
--client-key string

Path to a client key file for TLS
--cloud-provider-gce-l7lb-src-cidrs cidrs     Default: 130.211.0.0/22,35.191.0.0/16

CIDRs opened in GCE firewall for L7 LB traffic proxy & health checks
--cloud-provider-gce-lb-src-cidrs cidrs     Default: 130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16

CIDRs opened in GCE firewall for L4 LB traffic proxy & health checks
--cluster string

The name of the kubeconfig cluster to use
--context string

The name of the kubeconfig context to use
--default-not-ready-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration.
--default-unreachable-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration.
--disable-compression

If true, opt-out of response compression for all requests to the server
--insecure-skip-tls-verify

If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig string

Path to the kubeconfig file to use for CLI requests.
--match-server-version

Require server version to match client version
-n, --namespace string

If present, the namespace scope for this CLI request
--password string

Password for basic authentication to the API server
--profile string     Default: "none"

Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)
--profile-output string     Default: "profile.pprof"

Name of the file to write the profile to
--request-timeout string     Default: "0"

The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests.
-s, --server string

The address and port of the Kubernetes API server
--storage-driver-buffer-duration duration     Default: 1m0s

Writes in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction
--storage-driver-db string     Default: "cadvisor"

database name
--storage-driver-host string     Default: "localhost:8086"

database host:port
--storage-driver-password string     Default: "root"

database password
--storage-driver-secure

use secure connection with database
--storage-driver-table string     Default: "stats"

table name
--storage-driver-user string     Default: "root"

database username
--tls-server-name string

Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used
--token string

Bearer token for authentication to the API server
--user string

The name of the kubeconfig user to use
--username string

Username for basic authentication to the API server
--version version[=true]

--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version
--warnings-as-errors

Treat warnings received from the server as errors and exit with a non-zero exit code

See Also

1 - kubectl top node

Synopsis

Display resource (CPU/memory) usage of nodes.

The top-node command allows you to see the resource consumption of nodes.

kubectl top node [NAME | -l label]

Examples

  # Show metrics for all nodes
  kubectl top node
  
  # Show metrics for a given node
  kubectl top node NODE_NAME

Options

-h, --help

help for node
--no-headers

If present, print output without headers
-l, --selector string

Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2). Matching objects must satisfy all of the specified label constraints.
--show-capacity

Print node resources based on Capacity instead of Allocatable(default) of the nodes.
--sort-by string

If non-empty, sort nodes list using specified field. The field can be either 'cpu' or 'memory'.
--use-protocol-buffers     Default: true

Enables using protocol-buffers to access Metrics API.

--as string

Username to impersonate for the operation. User could be a regular user or a service account in a namespace.
--as-group strings

Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
--as-uid string

UID to impersonate for the operation.
--azure-container-registry-config string

Path to the file containing Azure container registry configuration information.
--cache-dir string     Default: "$HOME/.kube/cache"

Default cache directory
--certificate-authority string

Path to a cert file for the certificate authority
--client-certificate string

Path to a client certificate file for TLS
--client-key string

Path to a client key file for TLS
--cloud-provider-gce-l7lb-src-cidrs cidrs     Default: 130.211.0.0/22,35.191.0.0/16

CIDRs opened in GCE firewall for L7 LB traffic proxy & health checks
--cloud-provider-gce-lb-src-cidrs cidrs     Default: 130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16

CIDRs opened in GCE firewall for L4 LB traffic proxy & health checks
--cluster string

The name of the kubeconfig cluster to use
--context string

The name of the kubeconfig context to use
--default-not-ready-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration.
--default-unreachable-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration.
--disable-compression

If true, opt-out of response compression for all requests to the server
--insecure-skip-tls-verify

If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig string

Path to the kubeconfig file to use for CLI requests.
--match-server-version

Require server version to match client version
-n, --namespace string

If present, the namespace scope for this CLI request
--password string

Password for basic authentication to the API server
--profile string     Default: "none"

Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)
--profile-output string     Default: "profile.pprof"

Name of the file to write the profile to
--request-timeout string     Default: "0"

The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests.
-s, --server string

The address and port of the Kubernetes API server
--storage-driver-buffer-duration duration     Default: 1m0s

Writes in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction
--storage-driver-db string     Default: "cadvisor"

database name
--storage-driver-host string     Default: "localhost:8086"

database host:port
--storage-driver-password string     Default: "root"

database password
--storage-driver-secure

use secure connection with database
--storage-driver-table string     Default: "stats"

table name
--storage-driver-user string     Default: "root"

database username
--tls-server-name string

Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used
--token string

Bearer token for authentication to the API server
--user string

The name of the kubeconfig user to use
--username string

Username for basic authentication to the API server
--version version[=true]

--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version
--warnings-as-errors

Treat warnings received from the server as errors and exit with a non-zero exit code

See Also

2 - kubectl top pod

Synopsis

Display resource (CPU/memory) usage of pods.

The 'top pod' command allows you to see the resource consumption of pods.

Due to the metrics pipeline delay, they may be unavailable for a few minutes since pod creation.

kubectl top pod [NAME | -l label]

Examples

  # Show metrics for all pods in the default namespace
  kubectl top pod
  
  # Show metrics for all pods in the given namespace
  kubectl top pod --namespace=NAMESPACE
  
  # Show metrics for a given pod and its containers
  kubectl top pod POD_NAME --containers
  
  # Show metrics for the pods defined by label name=myLabel
  kubectl top pod -l name=myLabel

Options

-A, --all-namespaces

If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.
--containers

If present, print usage of containers within a pod.
--field-selector string

Selector (field query) to filter on, supports '=', '==', and '!='.(e.g. --field-selector key1=value1,key2=value2). The server only supports a limited number of field queries per type.
-h, --help

help for pod
--no-headers

If present, print output without headers.
-l, --selector string

Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2). Matching objects must satisfy all of the specified label constraints.
--sort-by string

If non-empty, sort pods list using specified field. The field can be either 'cpu' or 'memory'.
--sum

Print the sum of the resource usage
--use-protocol-buffers     Default: true

Enables using protocol-buffers to access Metrics API.

--as string

Username to impersonate for the operation. User could be a regular user or a service account in a namespace.
--as-group strings

Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
--as-uid string

UID to impersonate for the operation.
--azure-container-registry-config string

Path to the file containing Azure container registry configuration information.
--cache-dir string     Default: "$HOME/.kube/cache"

Default cache directory
--certificate-authority string

Path to a cert file for the certificate authority
--client-certificate string

Path to a client certificate file for TLS
--client-key string

Path to a client key file for TLS
--cloud-provider-gce-l7lb-src-cidrs cidrs     Default: 130.211.0.0/22,35.191.0.0/16

CIDRs opened in GCE firewall for L7 LB traffic proxy & health checks
--cloud-provider-gce-lb-src-cidrs cidrs     Default: 130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16

CIDRs opened in GCE firewall for L4 LB traffic proxy & health checks
--cluster string

The name of the kubeconfig cluster to use
--context string

The name of the kubeconfig context to use
--default-not-ready-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration.
--default-unreachable-toleration-seconds int     Default: 300

Indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration.
--disable-compression

If true, opt-out of response compression for all requests to the server
--insecure-skip-tls-verify

If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig string

Path to the kubeconfig file to use for CLI requests.
--match-server-version

Require server version to match client version
-n, --namespace string

If present, the namespace scope for this CLI request
--password string

Password for basic authentication to the API server
--profile string     Default: "none"

Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)
--profile-output string     Default: "profile.pprof"

Name of the file to write the profile to
--request-timeout string     Default: "0"

The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests.
-s, --server string

The address and port of the Kubernetes API server
--storage-driver-buffer-duration duration     Default: 1m0s

Writes in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction
--storage-driver-db string     Default: "cadvisor"

database name
--storage-driver-host string     Default: "localhost:8086"

database host:port
--storage-driver-password string     Default: "root"

database password
--storage-driver-secure

use secure connection with database
--storage-driver-table string     Default: "stats"

table name
--storage-driver-user string     Default: "root"

database username
--tls-server-name string

Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used
--token string

Bearer token for authentication to the API server
--user string

The name of the kubeconfig user to use
--username string

Username for basic authentication to the API server
--version version[=true]

--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version
--warnings-as-errors

Treat warnings received from the server as errors and exit with a non-zero exit code

See Also