PLEASE NOTE: This document applies to the HEAD of the source tree
If you are using a released version of Kubernetes, you should
refer to the docs that go with that version.
The latest 1.0.x release of this document can be found
[here](http://releases.k8s.io/release-1.0/docs/user-guide/known-issues.md).
Documentation for other releases can be found at
[releases.k8s.io](http://releases.k8s.io).
--
## Known Issues
This document summarizes known issues with existing Kubernetes releases.
Please consult this document before filing new bugs.
### Release 1.0.1
* `exec` liveness/readiness probes leak resources due to Docker exec leaking resources (#10659)
* `docker load` sometimes hangs which causes the `kube-apiserver` not to start. Restarting the Docker daemon should fix the issue (#10868)
* The kubelet on the master node doesn't register with the `kube-apiserver` so statistics aren't collected for master daemons (#10891)
* Heapster and InfluxDB both leak memory (#10653)
* Wrong node cpu/memory limit metrics from Heapster (https://github.com/GoogleCloudPlatform/heapster/issues/399)
* Services that set `type=LoadBalancer` can not use port `10250` because of Google Compute Engine firewall limitations
* Add-on services can not be created or deleted via `kubectl` or the Kubernetes API (#11435)
* If a pod with a GCE PD is created and deleted in rapid succession, it may fail to attach/mount correctly leaving PD data inaccessible (or corrupted in the worst case). (http://issue.k8s.io/11231#issuecomment-122049113)
* Suggested temporary work around: introduce a 1-2 minute delay between deleting and recreating a pod with a PD on the same node.
* Explicit errors while detaching GCE PD could prevent PD from ever being detached (#11321)
* GCE PDs may sometimes fail to attach (#11302)
* If multiple Pods use the same RBD volume in read-write mode, it is possible data on the RBD volume could get corrupted. This problem has been found in environments where both apiserver and etcd rebooted and Pods were redistributed.
* A workaround is to ensure there is no other Ceph client using the RBD volume before mapping RBD image in read-write mode. For example, `rados -p poolname listwatchers image_name.rbd` can list RBD clients that are mapping the image.
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