{"id":34422,"date":"2023-12-05T03:01:56","date_gmt":"2024-03-06T18:53:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/"},"modified":"2024-05-04T12:10:49","modified_gmt":"2024-05-04T04:10:49","slug":"%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/","title":{"rendered":"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u4e0a\u6b21\u6211\u4eec\u786e\u8ba4\u4e86\u5728\u5bb9\u5668\u4e2d\u7684LimitRange\u7684\u64cd\u4f5c\u3002\u8fd9\u6b21\u6211\u60f3\u8981\u786e\u8ba4\u5728Pod\u548cPVC\u4e2d\u7684\u64cd\u4f5c\u3002<\/p>\n

\u6211\u5df2\u7ecf\u5728\u524d\u9762\u63d0\u5230\u8fc7\uff0cLimitRange\u7684\u8bbe\u7f6e\u9009\u9879\u4e0eContainer\/Pod\/PVC\u7684\u5bf9\u5e94\u5173\u7cfb\u5982\u4e0b\u3002<\/p>\n

\n
\u8a2d\u5b9a\u9805\u76ee\u6982\u8981ContainerPodPVCmax\u6700\u5927\u30ea\u30bd\u30fc\u30b9\u30ec\u30ec\u30ecmin\u6700\u5c0f\u30ea\u30bd\u30fc\u30b9\u30ec\u30ec\u30ecdefaultdefault\u306eLimits\u30ec<\/p>\n

defaultRequestdefault\u306eRequests\u30ec<\/p>\n

maxLimitRequestRatioLimits \/ Requests\u306e\u5272\u5408\u30ec\u30ec<\/p><\/div>\n<\/div>\n

\u64ad\u5ba2<\/h1>\n

\u9996\u5148\u4ecePod\u5f00\u59cb\u786e\u8ba4\u3002<\/p>\n

\u6700\u5927\/ \u6700\u5c0f<\/h2>\n

\u6211\u4f1a\u521b\u5efa\u4ee5\u4e0b\u6e05\u5355\u7684\u9650\u5236\u8303\u56f4\u3002<\/p>\n

apiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> LimitRange<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> limit-range-max-min-pod<\/span>\r\n  namespace<\/span>:<\/span> stg<\/span>\r\nspec<\/span>:<\/span>\r\n  limits<\/span>:<\/span>\r\n  -<\/span> max<\/span>:<\/span>\r\n      cpu<\/span>:<\/span> \"<\/span>500m\"<\/span>\r\n    min<\/span>:<\/span>\r\n      cpu<\/span>:<\/span> \"<\/span>200m\"<\/span>\r\n    type<\/span>:<\/span> Pod<\/span>\r\n<\/code><\/pre>\n
$ kubectl apply -f limitrange-max_min-pod.yaml\r\nlimitrange\/limit-range-max-min-pod created\r\n$ kubectl -n stg describe limitranges\r\nName:       limit-range-max-min-pod\r\nNamespace:  stg\r\nType        Resource  Min   Max   Default Request  Default Limit  Max Limit\/Request Ratio\r\n----        --------  ---   ---   ---------------  -------------  -----------------------\r\nPod         cpu       200m  500m  -                -              -\r\n<\/code><\/pre>\n
\u5f53\u5728Container\u4e2d\u8bbe\u7f6eMax\/Min\u65f6\uff0c\u9ed8\u8ba4\u8bf7\u6c42\/\u9ed8\u8ba4\u9650\u5236\u4e5f\u4f1a\u81ea\u52a8\u8bbe\u7f6e\uff0c\u4f46\u662f\u5728Pod\u7684\u60c5\u51b5\u4e0b\u6ca1\u6709\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n
\u8fd9\u4e2aMax\/Min\u503c\u662f\u6307\u5728\u8be5Pod\u4e2d\u7684\u6240\u6709Container\u7684Max\/Min\u503c\u3002\u56e0\u6b64\uff0c\u5728Pod\u4e2d\u6709\u591a\u4e2aContainer\u65f6\u9700\u8981\u6ce8\u610f\u3002
\n\u6211\u4eec\u5c06\u90e8\u7f72\u4ee5\u4e0b\u7684Pod\u5e76\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n
apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> Deployment<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> nginx-redis1<\/span>\r\n  namespace<\/span>:<\/span> stg<\/span>\r\nspec<\/span>:<\/span>\r\n  replicas<\/span>:<\/span> 2<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> app1<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> app1<\/span>\r\n    spec<\/span>:<\/span>\r\n      containers<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> nginx<\/span>\r\n          image<\/span>:<\/span> nginx:latest<\/span>\r\n          resources<\/span>:<\/span>\r\n            requests<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 100m<\/span>\r\n            limits<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 200m<\/span>\r\n        -<\/span> name<\/span>:<\/span> redis<\/span>\r\n          image<\/span>:<\/span> redis:latest<\/span>\r\n          resources<\/span>:<\/span>\r\n            requests<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 100m<\/span>\r\n            limits<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 300m<\/span>\r\n<\/code><\/pre>\n
$ kubectl apply -f nginx_redis1.yaml\r\ndeployment.apps\/nginx-redis1 created\r\n$ kubectl -n stg get pod -o wide\r\nNAME                           READY   STATUS    RESTARTS   AGE   IP               NODE           NOMINATED NODE   READINESS GATES\r\nnginx-redis1-cd7f9697d-4csm2   2\/2     Running   0          18s   192.168.79.85    k8s-worker01   <none>           <none>\r\nnginx-redis1-cd7f9697d-jwbqh   2\/2     Running   0          18s   192.168.69.238   k8s-worker02   <none>           <none>\r\n<\/code><\/pre>\n
\u90e8\u7f72\u6210\u529f\u4e86\u3002
\n\u5c06\u6b64 Pod \u7684\u914d\u7f6e\u503c\u7ed8\u5236\u6210\u56fe\u8868\u540e\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
\"image.png\"<\/div>\n
\u5c06Container\u4e2d\u7684requests\u603b\u548c\u8bbe\u7f6e\u4e3aLimitRange\u4e2d\u7684min\u4ee5\u4e0a\uff0c\u5e76\u5c06limits\u603b\u548c\u8bbe\u7f6e\u4e3amax\u4ee5\u4e0b\u3002<\/p>\n
\n
\u5982\u679c\u4e0d\u8bbe\u7f6eRequests\u6216\u4e0d\u6ee1\u8db3\u4ee5\u4e0a\u6761\u4ef6\uff0c\u5219Pod\u7684\u90e8\u7f72\u5c06\u5931\u8d25\u3002\u53e6\u5916\uff0c\u5982\u679c\u53ea\u6307\u5b9alimits\uff0c\u5219requests\u5c06\u88ab\u8bbe\u7f6e\u4e3a\u4e0elimits\u76f8\u540c\u7684\u503c\u3002<\/p>\n
    Requests\/Limits\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u5834\u5408<\/ul>\n
    $ kubectl -n stg describe replicasets.apps\r\nName:           nginx-redis1-d856469b4\r\nNamespace:      stg\r\n\u30fb\u30fb\u30fb\r\nEvents:\r\n  Type     Reason        Age               From                   Message\r\n  ----     ------        ----              ----                   -------\r\n  Warning  FailedCreate  43s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-48f89\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  43s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-rzzh7\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  43s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-n2nt2\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  43s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-gvsqr\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  43s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-94cjr\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  43s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-6g2w4\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  42s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-67kbk\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  42s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-455gx\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  41s               replicaset-controller  Error creating: pods \"nginx-redis1-d856469b4-fz9xz\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n  Warning  FailedCreate  2s (x5 over 40s)  replicaset-controller  (combined from similar events): Error creating: pods \"nginx-redis1-d856469b4-gmbsz\" is forbidden: [minimum cpu usage per Pod is 200m.  No request is specified, maximum cpu usage per Pod is 500m.  No limit is specified]\r\n<\/code><\/pre>\n
      Limits\u306e\u5408\u8a08\u304cLimitRange\u306emax\u3092\u8d85\u3048\u308b\u5834\u5408<\/ul>\n
      $ kubectl -n stg describe replicasets.apps nginx-redis1-74d95f5b7d\r\nName:           nginx-redis1-74d95f5b7d\r\nNamespace:      stg\r\n\u30fb\u30fb\u30fb\r\nEvents:\r\n  Type     Reason        Age               From                   Message\r\n  ----     ------        ----              ----                   -------\r\n  Warning  FailedCreate  22s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-4md4c\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  22s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-w4c4z\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  22s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-27g5j\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  22s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-7sxdz\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  22s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-hvz9d\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  21s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-jj45j\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  21s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-n658t\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  21s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-9rz4l\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  20s               replicaset-controller  Error creating: pods \"nginx-redis1-74d95f5b7d-8mm77\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n  Warning  FailedCreate  1s (x4 over 19s)  replicaset-controller  (combined from similar events): Error creating: pods \"nginx-redis1-74d95f5b7d-gl5jq\" is forbidden: maximum cpu usage per Pod is 500m, but limit is 700m\r\n<\/code><\/pre>\n
      \u6700\u5927\u9650\u5236\u8bf7\u6c42\u6bd4\u7387<\/h2>\n
      \u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u9a8c\u8bc1maxLimitRequestRatio\u7684\u8fd0\u884c\u60c5\u51b5\u3002<\/p>\n
      \u6211\u5c06\u521b\u5efa\u4ee5\u4e0b\u7684\u9650\u5236\u8303\u56f4\u3002<\/p>\n
      apiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> LimitRange<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> limitlange-ratio-pod<\/span>\r\n  namespace<\/span>:<\/span> prd<\/span>\r\nspec<\/span>:<\/span>\r\n  limits<\/span>:<\/span>\r\n  -<\/span> maxLimitRequestRatio<\/span>:<\/span>\r\n      cpu<\/span>:<\/span> 2<\/span>\r\n    type<\/span>:<\/span> Pod<\/span>\r\n<\/code><\/pre>\n
      $ kubectl apply -f limitrange-ratio-pod.yaml\r\nlimitrange\/limitlange-ratio-pod created\r\n$ kubectl -n prd describe limitranges\r\nName:       limitlange-ratio-pod\r\nNamespace:  prd\r\nType        Resource  Min  Max  Default Request  Default Limit  Max Limit\/Request Ratio\r\n----        --------  ---  ---  ---------------  -------------  -----------------------\r\nPod         cpu       -    -    -                -              2\r\n<\/code><\/pre>\n
      \u6211\u5c06\u90e8\u7f72\u5e76\u786e\u8ba4Pod\u3002<\/p>\n
      apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> Deployment<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> nginx-redis2<\/span>\r\n  namespace<\/span>:<\/span> prd<\/span>\r\nspec<\/span>:<\/span>\r\n  replicas<\/span>:<\/span> 2<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> app1<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> app1<\/span>\r\n    spec<\/span>:<\/span>\r\n      containers<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> nginx<\/span>\r\n          image<\/span>:<\/span> nginx:latest<\/span>\r\n          resources<\/span>:<\/span>\r\n            requests<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 100m<\/span>\r\n            limits<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 100m<\/span>\r\n        -<\/span> name<\/span>:<\/span> redis<\/span>\r\n          image<\/span>:<\/span> redis:latest<\/span>\r\n          resources<\/span>:<\/span>\r\n            requests<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 100m<\/span>\r\n            limits<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 300m<\/span>\r\n<\/code><\/pre>\n
      $ kubectl apply -f nginx_redis2.yaml\r\ndeployment.apps\/nginx-redis2 created\r\n$ kubectl -n prd get pod\r\nNAME                          READY   STATUS    RESTARTS   AGE\r\nnginx-redis2-6547498d-2xkbk   2\/2     Running   0          15s\r\nnginx-redis2-6547498d-dwwdw   2\/2     Running   0          15s\r\n<\/code><\/pre>\n
      \u5c06maxLimitRequestRatio\u8bbe\u7f6e\u4e3a\u201c2″\u3002
      \n\u89c2\u5bdf\u6bcf\u4e2a\u5bb9\u5668\u7684\u8bbe\u7f6e\u503c\uff0cnginx\u7684Limit\/Request\u4e3a\u201c1\u201d\uff0c\u800credis\u4e3a\u201c3\u201d\u3002maxLimitRequestRatio\u4e0emax\/min\u4e00\u6837\uff0c\u5224\u65ad\u6807\u51c6\u4e0d\u662f\u6bcf\u4e2a\u5bb9\u5668\uff0c\u800c\u662f\u6240\u5305\u542b\u7684\u6240\u6709\u5bb9\u5668\u7684\u603b\u503c\u3002
      \n\u603b\u548c\u4e3aLimit\/Request\u4e3a\u201c2\u201d\uff0c\u6240\u4ee5\u662f\u7b26\u5408\u6761\u4ef6\u7684\u3002<\/p>\n
      \u805a\u6c2f\u4e59\u70ef<\/h1>\n
      \u6211\u5e0c\u671b\u6700\u540e\u786e\u8ba4\u4e00\u4e0bPVC\u64cd\u4f5c\u65f6\u7684\u60c5\u51b5\u3002
      \n\u5728PVC\u65f6\uff0c\u53ea\u80fd\u6307\u5b9a\u6700\u5927\/\u6700\u5c0f\u503c\u3002<\/p>\n
      \u521b\u5efa\u4e0b\u9762\u7684LimitRange\u3002<\/p>\n
      apiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> LimitRange<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> limit-range-pvc<\/span>\r\n  namespace<\/span>:<\/span> stg<\/span>\r\nspec<\/span>:<\/span>\r\n  limits<\/span>:<\/span>\r\n  -<\/span> max<\/span>:<\/span>\r\n      storage<\/span>:<\/span> 100Mi<\/span>\r\n    min<\/span>:<\/span>\r\n      storage<\/span>:<\/span> 50Mi<\/span>\r\n    type<\/span>:<\/span> PersistentVolumeClaim<\/span>\r\n<\/code><\/pre>\n
      $ kubectl apply -f limitrange-pvc.yaml\r\nlimitrange\/limit-range-pvc created\r\n$ kubectl describe -n stg limitranges\r\nName:                  limit-range-pvc\r\nNamespace:             stg\r\nType                   Resource  Min   Max    Default Request  Default Limit  Max Limit\/Request Ratio\r\n----                   --------  ---   ---    ---------------  -------------  -----------------------\r\nPersistentVolumeClaim  storage   50Mi  100Mi  -                -              -\r\n<\/code><\/pre>\n
      \u4e3a\u4e86\u786e\u8ba4PVC\u7684\u64cd\u4f5c\uff0c\u521b\u5efa\u4e00\u4e2aStorageClass\u3002
      \n\u8bf7\u67e5\u770b\u6709\u5173StorageClass\u548cDynamicProvisioning\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n
      \u786e\u8ba4[Kubernetes]\u52a8\u6001\u4f9b\u5e94\u7684\u8fd0\u4f5c<\/p><\/blockquote>\n
      kind<\/span>:<\/span> StorageClass<\/span>\r\napiVersion<\/span>:<\/span> storage.k8s.io\/v1<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> zfs-sc<\/span>\r\n  namespace<\/span>:<\/span> stg<\/span>\r\nprovisioner<\/span>:<\/span> gentics.com\/zfs<\/span>\r\nreclaimPolicy<\/span>:<\/span> Retain<\/span>\r\n<\/code><\/pre>\n
      $ kubectl apply -f storageclass.yml\r\nstorageclass.storage.k8s.io\/zfs-sc created\r\n$ kubectl get storageclasses\r\nNAME     PROVISIONER       RECLAIMPOLICY   VOLUMEBINDINGMODE   ALLOWVOLUMEEXPANSION   AGE\r\nzfs-sc   gentics.com\/zfs   Retain          Immediate           false                  16s\r\n<\/code><\/pre>\n
      \u521b\u5efaPVC\u5e76\u9a8c\u8bc1LimitRange\u7684\u529f\u80fd\u3002<\/p>\n
      apiVersion<\/span>:<\/span> v1<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> example-pvc<\/span>\r\n  namespace<\/span>:<\/span> stg<\/span>\r\n  annotations<\/span>:<\/span>\r\n    volume.beta.kubernetes.io\/storage-class<\/span>:<\/span> \"<\/span>zfs-sc\"<\/span>\r\nspec<\/span>:<\/span>\r\n  accessModes<\/span>:<\/span>\r\n    -<\/span> ReadWriteMany<\/span>\r\n  resources<\/span>:<\/span>\r\n    requests<\/span>:<\/span>\r\n      storage<\/span>:<\/span> 100Mi<\/span>\r\n<\/code><\/pre>\n
      $ kubectl apply -f pvc.yaml\r\npersistentvolumeclaim\/example-pvc created\r\n$ kubectl -n stg get pvc\r\nNAME          STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE\r\nexample-pvc   Bound    pvc-a4b904b0-84bc-4bb8-b481-d7c1c13174da   100Mi      RWX            zfs-sc         3m22s\r\n$ kubectl -n stg get pv\r\nNAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM             STORAGECLASS   REASON   AGE\r\npvc-a4b904b0-84bc-4bb8-b481-d7c1c13174da   100Mi      RWX            Retain           Bound    stg\/example-pvc   zfs-sc                  15s\r\n<\/code><\/pre>\n
      PVC\u548cPV\u5df2\u7ecf\u521b\u5efa\u597d\u4e86\u5427\u3002<\/p>\n
      \u5982\u679c\u6307\u5b9a\u7684\u503c\u8d85\u8fc7\u4e86Max\/Min\u7684\u8303\u56f4\uff0c\u6216\u8005\u5c0f\u4e8eMin\u7684\u503c\uff0c\u5c06\u4f1a\u53d1\u751f\u4ee5\u4e0b\u9519\u8bef\u3002<\/p>\n
      $ kubectl apply -f pvc.yaml\r\nError from server (Forbidden): error when creating \"pvc.yaml\": persistentvolumeclaims \"example-pvc\" is forbidden: maximum storage usage per PersistentVolumeClaim is 100Mi, but request is 110Mi\r\n$ kubectl apply -f pvc.yaml\r\nError from server (Forbidden): error when creating \"pvc.yaml\": persistentvolumeclaims \"example-pvc\" is forbidden: minimum storage usage per PersistentVolumeClaim is 50Mi, but request is 10Mi\r\n<\/code><\/pre>\n
      \u603b\u7ed3<\/h1>\n
      \u6211\u5df2\u7ecf\u5728\u672c\u6b21\u548c\u4e0a\u6b21\u4e2d\u786e\u8ba4\u4e86LimitRange\u7684\u64cd\u4f5c\u3002
      \n\u5982\u679c\u4e0d\u8bbe\u7f6e\u5bb9\u5668\u7684\u8d44\u6e90\u9650\u5236\uff0c\u5b83\u4f1a\u5c3d\u53ef\u80fd\u5730\u4f7f\u7528CPU\u548c\u5185\u5b58\u8d44\u6e90\uff0c\u6240\u4ee5\u6211\u4eec\u5e0c\u671b\u80fd\u591f\u6839\u636e\u73af\u5883\u548c\u7cfb\u7edf\u9002\u5f53\u5730\u8bbe\u7f6eLimitRange\u3002\u53e6\u5916\uff0c\u4f7f\u7528DynamicProvisioning\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u5b58\u50a8\uff08PV\uff09\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u5e0c\u671b\u80fd\u591f\u4e3aPVC\u8bbe\u7f6eLimitRange\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u9996\u5148 \u4e0a\u6b21\u6211\u4eec\u786e\u8ba4\u4e86\u5728\u5bb9\u5668\u4e2d\u7684LimitRange\u7684\u64cd\u4f5c\u3002\u8fd9\u6b21\u6211\u60f3\u8981\u786e\u8ba4\u5728Pod\u548cPVC\u4e2d\u7684\u64cd\u4f5c\u3002 \u6211\u5df2\u7ecf\u5728\u524d […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34422","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u9a8c\u8bc1kubernetes-limitrange\u7684\u64cd\u4f5c2\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u4e0a\u6b21\u6211\u4eec\u786e\u8ba4\u4e86\u5728\u5bb9\u5668\u4e2d\u7684LimitRange\u7684\u64cd\u4f5c\u3002\u8fd9\u6b21\u6211\u60f3\u8981\u786e\u8ba4\u5728Pod\u548cPVC\u4e2d\u7684\u64cd\u4f5c\u3002 \u6211\u5df2\u7ecf\u5728\u524d […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u9a8c\u8bc1kubernetes-limitrange\u7684\u64cd\u4f5c2\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-06T18:53:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T04:10:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1ce837434c4406c120ba\/15-0.png\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/\",\"name\":\"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2024-03-06T18:53:05+00:00\",\"dateModified\":\"2024-05-04T04:10:49+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\",\"name\":\"\u97f5, \u79d1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"caption\":\"\u97f5, \u79d1\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u9a8c\u8bc1kubernetes-limitrange\u7684\u64cd\u4f5c2\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2","og_description":"\u9996\u5148 \u4e0a\u6b21\u6211\u4eec\u786e\u8ba4\u4e86\u5728\u5bb9\u5668\u4e2d\u7684LimitRange\u7684\u64cd\u4f5c\u3002\u8fd9\u6b21\u6211\u60f3\u8981\u786e\u8ba4\u5728Pod\u548cPVC\u4e2d\u7684\u64cd\u4f5c\u3002 \u6211\u5df2\u7ecf\u5728\u524d […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u9a8c\u8bc1kubernetes-limitrange\u7684\u64cd\u4f5c2\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-06T18:53:05+00:00","article_modified_time":"2024-05-04T04:10:49+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1ce837434c4406c120ba\/15-0.png"}],"author":"\u97f5, \u79d1","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u97f5, \u79d1","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"7 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/","name":"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2024-03-06T18:53:05+00:00","dateModified":"2024-05-04T04:10:49+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u9a8c\u8bc1[Kubernetes] LimitRange\u7684\u64cd\u4f5c2"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e","name":"\u97f5, \u79d1","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","caption":"\u97f5, \u79d1"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81kubernetes-limitrange%e7%9a%84%e6%93%8d%e4%bd%9c2%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/34422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=34422"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/34422\/revisions"}],"predecessor-version":[{"id":98239,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/34422\/revisions\/98239"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=34422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=34422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=34422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}