1KUBERNETES(1) Jan 2015 KUBERNETES(1)
2
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 --sort-by=""
51 If non-empty, sort nodes list using specified field. The field can
52 be either 'cpu' or 'memory'.
53
57 --add-dir-header=false
58 If true, adds the file directory to the header
59 --alsologtostderr=false
62 log to standard error as well as files
63 --application-metrics-count-limit=100
66 Max number of application metrics to store (per container)
67 --as=""
70 Username to impersonate for the operation
71 --as-group=[]
74 Group to impersonate for the operation, this flag can be repeated
75 to specify multiple groups.
76 --azure-container-registry-config=""
79 Path to the file containing Azure container registry configuration
80 information.
81 --boot-id-file="/proc/sys/kernel/random/boot_id"
84 Comma-separated list of files to check for boot-id. Use the first
85 one that exists.
86 --cache-dir="/builddir/.kube/http-cache"
89 Default HTTP cache directory
90 --certificate-authority=""
93 Path to a cert file for the certificate authority
94 --client-certificate=""
97 Path to a client certificate file for TLS
98 --client-key=""
101 Path to a client key file for TLS
102 --cloud-provider-gce-l7lb-src-cidrs=130.211.0.0/22,35.191.0.0/16
105 CIDRs opened in GCE firewall for L7 LB traffic proxy health checks
106 --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
109 CIDRs opened in GCE firewall for L4 LB traffic proxy health checks
110 --cluster=""
113 The name of the kubeconfig cluster to use
114 --container-hints="/etc/cadvisor/container_hints.json"
117 location of the container hints file
118 --containerd="/run/containerd/containerd.sock"
121 containerd endpoint
122 --containerd-namespace="k8s.io"
125 containerd namespace
126 --context=""
129 The name of the kubeconfig context to use
130 --default-not-ready-toleration-seconds=300
133 Indicates the tolerationSeconds of the toleration for
134 notReady:NoExecute that is added by default to every pod that does not
135 already have such a toleration.
136 --default-unreachable-toleration-seconds=300
139 Indicates the tolerationSeconds of the toleration for
140 unreachable:NoExecute that is added by default to every pod that does
141 not already have such a toleration.
142 --disable-root-cgroup-stats=false
145 Disable collecting root Cgroup stats
146 --docker="unix:///var/run/docker.sock"
149 docker endpoint
150 --docker-env-metadata-whitelist=""
153 a comma-separated list of environment variable keys that needs to
154 be collected for docker containers
155 --docker-only=false
158 Only report docker containers in addition to root stats
159 --docker-root="/var/lib/docker"
162 DEPRECATED: docker root is read from docker info (this is a
163 fallback, default: /var/lib/docker)
164 --docker-tls=false
167 use TLS to connect to docker
168 --docker-tls-ca="ca.pem"
171 path to trusted CA
172 --docker-tls-cert="cert.pem"
175 path to client certificate
176 --docker-tls-key="key.pem"
179 path to private key
180 --enable-load-reader=false
183 Whether to enable cpu load reader
184 --event-storage-age-limit="default=0"
187 Max length of time for which to store events (per type). Value is a
188 comma separated list of key values, where the keys are event types
189 (e.g.: creation, oom) or "default" and the value is a duration. Default
190 is applied to all non-specified event types
191 --event-storage-event-limit="default=0"
194 Max number of events to store (per type). Value is a comma
195 separated list of key values, where the keys are event types (e.g.:
196 creation, oom) or "default" and the value is an integer. Default is
197 applied to all non-specified event types
198 --global-housekeeping-interval=1m0s
201 Interval between global housekeepings
202 --housekeeping-interval=10s
205 Interval between container housekeepings
206 --insecure-skip-tls-verify=false
209 If true, the server's certificate will not be checked for validity.
210 This will make your HTTPS connections insecure
211 --kubeconfig=""
214 Path to the kubeconfig file to use for CLI requests.
215 --log-backtrace-at=:0
218 when logging hits line file:N, emit a stack trace
219 --log-cadvisor-usage=false
222 Whether to log the usage of the cAdvisor container
223 --log-dir=""
226 If non-empty, write log files in this directory
227 --log-file=""
230 If non-empty, use this log file
231 --log-file-max-size=1800
234 Defines the maximum size a log file can grow to. Unit is megabytes.
235 If the value is 0, the maximum file size is unlimited.
236 --log-flush-frequency=5s
239 Maximum number of seconds between log flushes
240 --logtostderr=true
243 log to standard error instead of files
244 --machine-id-file="/etc/machine-id,/var/lib/dbus/machine-id"
247 Comma-separated list of files to check for machine-id. Use the
248 first one that exists.
249 --match-server-version=false
252 Require server version to match client version
253 -n, --namespace=""
256 If present, the namespace scope for this CLI request
257 --password=""
260 Password for basic authentication to the API server
261 --profile="none"
264 Name of profile to capture. One of
265 (none|cpu|heap|goroutine|threadcreate|block|mutex)
266 --profile-output="profile.pprof"
269 Name of the file to write the profile to
270 --request-timeout="0"
273 The length of time to wait before giving up on a single server
274 request. Non-zero values should contain a corresponding time unit (e.g.
275 1s, 2m, 3h). A value of zero means don't timeout requests.
276 -s, --server=""
279 The address and port of the Kubernetes API server
280 --skip-headers=false
283 If true, avoid header prefixes in the log messages
284 --skip-log-headers=false
287 If true, avoid headers when opening log files
288 --stderrthreshold=2
291 logs at or above this threshold go to stderr
292 --storage-driver-buffer-duration=1m0s
295 Writes in the storage driver will be buffered for this duration,
296 and committed to the non memory backends as a single transaction
297 --storage-driver-db="cadvisor"
300 database name
301 --storage-driver-host="localhost:8086"
304 database host:port
305 --storage-driver-password="root"
308 database password
309 --storage-driver-secure=false
312 use secure connection with database
313 --storage-driver-table="stats"
316 table name
317 --storage-driver-user="root"
320 database username
321 --tls-server-name=""
324 Server name to use for server certificate validation. If it is not
325 provided, the hostname used to contact the server is used
326 --token=""
329 Bearer token for authentication to the API server
330 --update-machine-info-interval=5m0s
333 Interval between machine info updates.
334 --user=""
337 The name of the kubeconfig user to use
338 --username=""
341 Username for basic authentication to the API server
342 -v, --v=0
345 number for the log level verbosity
346 --version=false
349 Print version information and quit
350 --vmodule=
353 comma-separated list of pattern=N settings for file-filtered
354 logging
355
359 # Show metrics for all nodes
360 kubectl top node
361 # Show metrics for a given node
363 kubectl top node NODE_NAME
364
369 kubectl-top(1),
370
374 January 2015, Originally compiled by Eric Paris (eparis at redhat dot
375 com) based on the kubernetes source material, but hopefully they have
376 been automatically generated since!
377Eric Paris kubernetes User Manuals KUBERNETES(1)