Kubernetes 是一个开源的、用于管理云平台中多个主机上的容器化的应用，Kubernetes 的目标是让部署容器化的应用简单并且高效，Kubernetes 提供了应用部署、规划、更新与维护的一种机制。
Kubernetes 1.11.7 更新内容如下：
Allow for watching objects larger than 1MB given etcd accepts objects of size up to 1.5MB (#72053, @wojtek-t)
Fix AWS NLB security group updates where valid security group ports were incorrectly removed (#68422, @kellycampbell)
when updating a service or when node changes occur.
kubectl: fixed an issue with "too old resource version" errors continuously appearing when calling
kubectl delete(#72825, @liggitt)Fixes issue where subpath volume content was deleted during orphaned pod cleanup for Local volumes that are directories (and not mount points) on the root filesystem. (#72291, @msau42)
Do not detach volume if mount in progress (#71145, @gnufied)
Improve efficiency of preemption logic in clusters with many pending pods. (#72895, @bsalamat)
Fix scheduling starvation of pods in cluster with large number of unschedulable pods. (#72619, @everpeace)
change azure disk host cache to ReadOnly by default (#72229, @andyzhangx)
Fixes issue with cleaning up stale NFS subpath mounts (#71804, @msau42)
Update Cluster Autoscaler to version 1.3.5. Release notes: https://github.com/kubernetes/autoscaler/releases/tag/cluster-autoscaler-1.3.5 (#72579, @MaciekPytel)
Fix kube-proxy PodSecurityPolicy binding on GCE & GKE. This was only an issue when running kube-proxy as a DaemonSet, with PodSecurityPolicy enabled. (#72761, @tallclair)
Scheduler only activates unschedulable pods if node's scheduling related properties change. (#71551, @mlmhl)
Fix a race condition in the scheduler preemption logic that could cause nominatedNodeName of a pod not to be considered in one or more scheduling cycles. (#72504, @bsalamat)
fix race condition when attach azure disk in vmss (#71992, @andyzhangx)
Fixed kubelet reporting "resource name may not be empty" when mounting a volume very quickly after unmount. (#71074, @jsafrane)
Fix race condition introduced by graceful termination which can lead to a deadlock in kube-proxy (#72361, @lbernail)
Fixes an issue where Portworx volumes cannot be mounted if 9001 port is already in use on the host and users remap 9001 to another port. (#70392, @harsh-px)
kube-proxy in IPVS mode will stop initiating connections to terminating pods for services with sessionAffinity set. (#71834, @lbernail)
Update to use go1.10.7 with fix for CVE-2018-16875 (#72074, @ixdy)