1KUBERNETES(1) Jan 2015 KUBERNETES(1)
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6 kubectl top node - Display Resource (CPU/Memory/Storage) usage of nodes
7
11 kubectl top node [OPTIONS]
12
16 Display Resource (CPU/Memory/Storage) usage of nodes.
17 The top-node command allows you to see the resource consumption of
20 nodes.
21
25 --heapster-namespace="kube-system"
26 Namespace Heapster service is located in
27 --heapster-port=""
30 Port name in service to use
31 --heapster-scheme="http"
34 Scheme (http or https) to connect to Heapster as
35 --heapster-service="heapster"
38 Name of Heapster service
39 --no-headers=false
42 If present, print output without headers
43 -l, --selector=""
46 Selector (label query) to filter on, supports '=', '==', and
47 '!='.(e.g. -l key1=value1,key2=value2)
48
52 --alsologtostderr=false
53 log to standard error as well as files
54 --application-metrics-count-limit=100
57 Max number of application metrics to store (per container)
58 --as=""
61 Username to impersonate for the operation
62 --as-group=[]
65 Group to impersonate for the operation, this flag can be repeated
66 to specify multiple groups.
67 --azure-container-registry-config=""
70 Path to the file containing Azure container registry configuration
71 information.
72 --boot-id-file="/proc/sys/kernel/random/boot_id"
75 Comma-separated list of files to check for boot-id. Use the first
76 one that exists.
77 --cache-dir="/builddir/.kube/http-cache"
80 Default HTTP cache directory
81 --certificate-authority=""
84 Path to a cert file for the certificate authority
85 --client-certificate=""
88 Path to a client certificate file for TLS
89 --client-key=""
92 Path to a client key file for TLS
93 --cloud-provider-gce-lb-src-cidrs=130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16
96 CIDRs opened in GCE firewall for LB traffic proxy health checks
97 --cluster=""
100 The name of the kubeconfig cluster to use
101 --container-hints="/etc/cadvisor/container_hints.json"
104 location of the container hints file
105 --containerd="unix:///var/run/containerd.sock"
108 containerd endpoint
109 --context=""
112 The name of the kubeconfig context to use
113 --default-not-ready-toleration-seconds=300
116 Indicates the tolerationSeconds of the toleration for
117 notReady:NoExecute that is added by default to every pod that does not
118 already have such a toleration.
119 --default-unreachable-toleration-seconds=300
122 Indicates the tolerationSeconds of the toleration for unreach‐
123 able:NoExecute that is added by default to every pod that does not
124 already have such a toleration.
125 --docker="unix:///var/run/docker.sock"
128 docker endpoint
129 --docker-env-metadata-whitelist=""
132 a comma-separated list of environment variable keys that needs to
133 be collected for docker containers
134 --docker-only=false
137 Only report docker containers in addition to root stats
138 --docker-root="/var/lib/docker"
141 DEPRECATED: docker root is read from docker info (this is a fall‐
142 back, default: /var/lib/docker)
143 --docker-tls=false
146 use TLS to connect to docker
147 --docker-tls-ca="ca.pem"
150 path to trusted CA
151 --docker-tls-cert="cert.pem"
154 path to client certificate
155 --docker-tls-key="key.pem"
158 path to private key
159 --enable-load-reader=false
162 Whether to enable cpu load reader
163 --event-storage-age-limit="default=0"
166 Max length of time for which to store events (per type). Value is a
167 comma separated list of key values, where the keys are event types
168 (e.g.: creation, oom) or "default" and the value is a duration. Default
169 is applied to all non-specified event types
170 --event-storage-event-limit="default=0"
173 Max number of events to store (per type). Value is a comma sepa‐
174 rated list of key values, where the keys are event types (e.g.: cre‐
175 ation, oom) or "default" and the value is an integer. Default is
176 applied to all non-specified event types
177 --global-housekeeping-interval=1m0s
180 Interval between global housekeepings
181 --housekeeping-interval=10s
184 Interval between container housekeepings
185 --insecure-skip-tls-verify=false
188 If true, the server's certificate will not be checked for validity.
189 This will make your HTTPS connections insecure
190 --kubeconfig=""
193 Path to the kubeconfig file to use for CLI requests.
194 --log-backtrace-at=:0
197 when logging hits line file:N, emit a stack trace
198 --log-cadvisor-usage=false
201 Whether to log the usage of the cAdvisor container
202 --log-dir=""
205 If non-empty, write log files in this directory
206 --log-file=""
209 If non-empty, use this log file
210 --log-flush-frequency=5s
213 Maximum number of seconds between log flushes
214 --logtostderr=true
217 log to standard error instead of files
218 --machine-id-file="/etc/machine-id,/var/lib/dbus/machine-id"
221 Comma-separated list of files to check for machine-id. Use the
222 first one that exists.
223 --match-server-version=false
226 Require server version to match client version
227 --mesos-agent="127.0.0.1:5051"
230 Mesos agent address
231 --mesos-agent-timeout=10s
234 Mesos agent timeout
235 -n, --namespace=""
238 If present, the namespace scope for this CLI request
239 --password=""
242 Password for basic authentication to the API server
243 --profile="none"
246 Name of profile to capture. One of (none|cpu|heap|goroutine|thread‐
247 create|block|mutex)
248 --profile-output="profile.pprof"
251 Name of the file to write the profile to
252 --request-timeout="0"
255 The length of time to wait before giving up on a single server
256 request. Non-zero values should contain a corresponding time unit (e.g.
257 1s, 2m, 3h). A value of zero means don't timeout requests.
258 -s, --server=""
261 The address and port of the Kubernetes API server
262 --skip-headers=false
265 If true, avoid header prefixes in the log messages
266 --stderrthreshold=2
269 logs at or above this threshold go to stderr
270 --storage-driver-buffer-duration=1m0s
273 Writes in the storage driver will be buffered for this duration,
274 and committed to the non memory backends as a single transaction
275 --storage-driver-db="cadvisor"
278 database name
279 --storage-driver-host="localhost:8086"
282 database host:port
283 --storage-driver-password="root"
286 database password
287 --storage-driver-secure=false
290 use secure connection with database
291 --storage-driver-table="stats"
294 table name
295 --storage-driver-user="root"
298 database username
299 --token=""
302 Bearer token for authentication to the API server
303 --user=""
306 The name of the kubeconfig user to use
307 --username=""
310 Username for basic authentication to the API server
311 -v, --v=0
314 log level for V logs
315 --version=false
318 Print version information and quit
319 --vmodule=
322 comma-separated list of pattern=N settings for file-filtered log‐
323 ging
324
328 # Show metrics for all nodes
329 kubectl top node
330 # Show metrics for a given node
332 kubectl top node NODE_NAME
333
338 kubectl-top(1),
339
343 January 2015, Originally compiled by Eric Paris (eparis at redhat dot
344 com) based on the kubernetes source material, but hopefully they have
345 been automatically generated since!
346Eric Paris kubernetes User Manuals KUBERNETES(1)