Google云端容器 - 为什么这么多容器已经在容器中运行(实例)?
问题描述:
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
答
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。
感谢您宝贵的时间。 – Sallu