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Note that Heapster is deprecated (#8827)

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* Note that Heapster is deprecated

This notes that Heapster is deprecated, and migrates the relevant
docs to talk about metrics-server or other solutions by default.

* Copyedits and improvements

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* Address feedback
This commit is contained in:
Solly Ross
2018-06-12 16:27:28 -07:00
committed by Misty Linville
parent 4d7c685007
commit e6fecdf46b
9 changed files with 120 additions and 109 deletions
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content/en/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods.md
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@@ -11,7 +11,7 @@ content_template: templates/concept
In addition to Kubernetes core components like api-server, scheduler, controller-manager running on a master machine
there are a number of add-ons which, for various reasons, must run on a regular cluster node (rather than the Kubernetes master).
Some of these add-ons are critical to a fully functional cluster, such as Heapster, DNS, and UI.
Some of these add-ons are critical to a fully functional cluster, such as metrics-server, DNS, and UI.
A cluster may stop working properly if a critical add-on is evicted (either manually or as a side effect of another operation like upgrade)
and becomes pending (for example when the cluster is highly utilized and either there are other pending pods that schedule into the space
vacated by the evicted critical add-on pod or the amount of resources available on the node changed for some other reason).