2017-11-11 114 views
1

我已经部署了第一个带有1个Pod的Google Cloud Container集群。 这个过程对于像我这样的人来说非常简单。Google云端容器 - 为什么这么多容器已经在容器中运行(实例)?

我很惊讶地发现我的吊舱里已经有很多容器了。他们都需要吗?我可以杀死他们释放资源吗?

我的图片已经有php-fpm和nginx了。

有人知道这些码头集装箱已经在吊舱中运行,如果他们可以杀死?

CONTAINER   CPU %    MEM USAGE/LIMIT  MEM %    NET I/O    BLOCK I/O   PIDS 
0ed1f7654cba  0.12%    50.35 MiB/1.662 GiB 2.96%    0 B/0 B   430 kB/20.5 kB 8 
57a38df9bb86  0.00%    40 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
c073fa866967  0.00%    7.195 MiB/90.39 MiB 7.96%    0 B/0 B   2.25 MB/0 B  5 
7f67e38d850f  0.00%    9 MiB/204 MiB   4.41%    0 B/0 B   0 B/0 B   5 
10cdfdf5c56a  0.00%    72 KiB/1.662 GiB  0.00%    0 B/0 B   28.7 kB/0 B  1 
24e0d2080ae3  0.01%    10.04 MiB/1.662 GiB 0.59%    0 B/0 B   0 B/0 B   5 
7674fff85899  0.39%    4.926 MiB/1.662 GiB 0.29%    0 B/0 B   0 B/0 B   7 
bd5752cd050d  0.00%    4.348 MiB/1.662 GiB 0.26%    0 B/0 B   0 B/0 B   5 
0f2c8dfca968  0.00%    1.906 MiB/20 MiB  9.53%    0 B/0 B   0 B/0 B   4 
41df8ceb2050  0.08%    6.145 MiB/170 MiB  3.61%    0 B/0 B   463 kB/0 B  6 
5fee54c33b27  0.00%    15.08 MiB/1.662 GiB 0.89%    0 B/0 B   5.62 MB/0 B  6 
637395fd17fc  0.00%    17.27 MiB/300 MiB  5.76%    0 B/0 B   578 kB/0 B  5 
19604cd9b57e  0.00%    44 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
6eb6c4c08a95  0.00%    40 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
dde35caa0ade  0.00%    36 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
518fe1fa8504  0.00%    36 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
01e703f63e01  0.00%    9.102 MiB/1.662 GiB 0.53%    0 B/0 B   3.78 MB/0 B  4 
90570a46da9a  0.00%    36 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
d0bc8aee2208  0.00%    5.691 MiB/1.662 GiB 0.33%    0 B/0 B   1.96 MB/0 B  5 
292a08d7bf3f  4.39%    92.9 MiB/300 MiB  30.97%    0 B/0 B   1.06 MB/49.9 MB 35 
1ab33b82b9a8  0.00%    36 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 
6532f7315806  0.20%    16.75 MiB/1.662 GiB 0.98%    0 B/0 B   9.79 MB/0 B  8 
e23e593e7917  0.00%    36 KiB/1.662 GiB  0.00%    0 B/0 B   0 B/0 B   1 

$搬运工PS

CONTAINER ID  IMAGE                                   COMMAND     CREATED    STATUS    PORTS    NAMES 
0ed1f7654cba  asia.gcr.io/bidpuuuscorer-100004/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492      "docker-php-entryp..." 32 minutes ago  Up 32 minutes       k8s_bidpuuuscorer-cluster-1_cluster-1-1284771230-jphxq_default_dd146037-c6d5-11e7-aa2b-42010a94003d_0 
57a38df9bb86  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     32 minutes ago  Up 32 minutes       k8s_POD_bidpuuuscorer-cluster-1-1284771230-jphxq_default_dd146037-c6d5-11e7-aa2b-42010a94003d_0 
c073fa866967  asia.gcr.io/google_containers/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492       "/pod_nanny --cpu=..." About an hour ago Up About an hour      k8s_heapster-nanny_heapster-v1.4.3-1739311121-0qn57_kube-system_4278ea5b-c6cc-11e7-aa2b-42010a94003d_0 
7f67e38d850f  asia.gcr.io/google_containers/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492       "/heapster --sourc..." About an hour ago Up About an hour      k8s_heapster_heapster-v1.4.3-1739311121-0qn57_kube-system_4278ea5b-c6cc-11e7-aa2b-42010a94003d_0 
10cdfdf5c56a  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_heapster-v1.4.3-1739311121-0qn57_kube-system_4278ea5b-c6cc-11e7-aa2b-42010a94003d_0 
24e0d2080ae3  asia.gcr.io/google_containers/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492     "/sidecar --v=2 --..." About an hour ago Up About an hour      k8s_sidecar_kube-dns-488972486-7f055_kube-system_e787de31-c6cb-11e7-a964-42010a94003d_0 
7674fff85899  asia.gcr.io/google_containers/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492    "/dnsmasq-nanny -v..." About an hour ago Up About an hour      k8s_dnsmasq_kube-dns-488972486-7f055_kube-system_e787de31-c6cb-11e7-a964-42010a94003d_0 
bd5752cd050d  gcr.io/google-containers/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492        "/monitor --compon..." About an hour ago Up About an hour      k8s_prometheus-to-sd-exporter_event-exporter-v0.1.7-958884745-6bf2h_kube-system_e7d1613d-c6cb-11e7-a964-42010a94003d_0 
0f2c8dfca968  asia.gcr.io/google_containers/[email protected]:0ad140000675649bd16c2a9425ab800000afb8fbbe447000000022abffc7a492       "/server"    About an hour ago Up About an hour      k8s_default-http-backend_l7-default-backend-2954409777-92mvx_kube-system_e3eeb97f-c6cb-11e7-a964-42010a94003d_0 
41df8ceb2050  asia.gcr.io/google_containers/[email protected]:1a3fc069de481ae690188f6f1ba4664b5cc7760af37120f70c86505c79eea61d     "/kube-dns --domai..." About an hour ago Up About an hour      k8s_kubedns_kube-dns-488972486-7f055_kube-system_e787de31-c6cb-11e7-a964-42010a94003d_0 
5fee54c33b27  gcr.io/google-containers/[email protected]:0c86fa393401fe57843be1aa3180cd7fd339ef06fa18234ae5b139a85cfa55ec        "/event-exporter"  About an hour ago Up About an hour      k8s_event-exporter_event-exporter-v0.1.7-958884745-6bf2h_kube-system_e7d1613d-c6cb-11e7-a964-42010a94003d_0 
637395fd17fc  asia.gcr.io/google_containers/[email protected]:b537ce8988510607e95b8d40ac9824523b1f9029e6f9f90e9fccc663c355cf5d    "/dashboard --inse..." About an hour ago Up About an hour      k8s_kubernetes-dashboard_kubernetes-dashboard-1962351010-5p8pc_kube-system_e714c759-c6cb-11e7-a964-42010a94003d_0 
19604cd9b57e  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_kube-dns-488972486-7f055_kube-system_e787de31-c6cb-11e7-a964-42010a94003d_0 
6eb6c4c08a95  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_event-exporter-v0.1.7-958884745-6bf2h_kube-system_e7d1613d-c6cb-11e7-a964-42010a94003d_0 
dde35caa0ade  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_l7-default-backend-2954409777-92mvx_kube-system_e3eeb97f-c6cb-11e7-a964-42010a94003d_0 
518fe1fa8504  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_kubernetes-dashboard-1962351010-5p8pc_kube-system_e714c759-c6cb-11e7-a964-42010a94003d_0 
01e703f63e01  asia.gcr.io/google_containers/[email protected]:003f98d9f411ddfa6ff6d539196355e03ddd69fa4ed38c7ffb8fec6f729afe2d "/cluster-proporti..." About an hour ago Up About an hour      k8s_autoscaler_kube-dns-autoscaler-3880103346-zrpdq_kube-system_014fe72f-c6cc-11e7-aa2b-42010a94003d_0 
90570a46da9a  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_kube-dns-autoscaler-3880103346-zrpdq_kube-system_014fe72f-c6cc-11e7-aa2b-42010a94003d_0 
d0bc8aee2208  gcr.io/google-containers/[email protected]:c6aaa681e77e55aa7f7017ca55265accde313f8e2e5484ee1d0a4d89ff741c48        "/monitor --compon..." About an hour ago Up About an hour      k8s_prometheus-to-sd-exporter_fluentd-gcp-v2.0.9-bvrj5_kube-system_013d2173-c6cc-11e7-aa2b-42010a94003d_0 
292a08d7bf3f  gcr.io/google-containers/[email protected]:31a2043cc4dc93208c843cc44d1325f7ebf0d18a863bec738fe62b56965dbf62         "/bin/sh -c '/run...." About an hour ago Up About an hour      k8s_fluentd-gcp_fluentd-gcp-v2.0.9-bvrj5_kube-system_013d2173-c6cc-11e7-aa2b-42010a94003d_0 
1ab33b82b9a8  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_fluentd-gcp-v2.0.9-bvrj5_kube-system_013d2173-c6cc-11e7-aa2b-42010a94003d_0 
6532f7315806  c9b6f1a423cf                                 "/bin/sh -c 'echo ..." About an hour ago Up About an hour      k8s_kube-proxy_kube-proxy-gke-bidpuuuscorer-cluste-default-pool-194fb347-lm7q_kube-system_68d6b70fc1df5b1ba0a7db50c0d7ab91_0 
e23e593e7917  gcr.io/google_containers/pause-amd64:3.0                          "/pause"     About an hour ago Up About an hour      k8s_POD_kube-proxy-gke-scorer-cluste-default-pool-194fb347-lm7q_kube-system_68d6b70fc1df5b1ba0a7db50c0d7ab91_0 

回答

2

以下是其中一些是:

  • heapster - 此监控节点
  • KUBE-DNS/DNS上的CPU和内存占用-sidecar/dnsmasq - 这提供了DNS服务,允许通过SERVICE.NAMESPACE.svc.cluster.local地址彼此连接,从而使连接多个Pod变得更加容易。
  • fluentd & event-exporter - 这些从你的豆荚导出日志到Stackdriver日志记录,所以你可以很容易地在该界面看到日志。
  • prometheus - 这将度量导出到Stackdriver Monitoring,因此您可以监视和度量指标。
  • kubernetes-dashboard - 这提供了一个可用于管理kubernetes的Web UI
  • cluster-proportional-autoscaler - 这提供了一个功能,允许根据需要缩放给定部署的pod数量。
  • c9b6f1a423cf - 这是为您的pod提供网络连接
  • 暂停 - 这没有任何作用。 kubernetes使用它来获得对码头的一些额外控制。

总之,这些都是Kubernetes的正常部分,不应该关闭。他们通常使用很少的资源,所以不会造成任何伤害。 Kubernetes使用'namespaces'并将这些保存在kube-system命名空间中。如果你使用kubernetes像kubectl get pods而不是docker ps他们将不会显示通常。

+0

感谢您宝贵的时间。 – Sallu

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