website/content/en/docs/reference/glossary/taint.md

title	id	date	full_link	short_description	aka	tags
Taint	taint	2019-01-11	/docs/concepts/scheduling-eviction/taint-and-toleration/	A core object consisting of three required properties: key, value, and effect. Taints prevent the scheduling of pods on nodes or node groups.		core-object fundamental

A core object consisting of three required properties: key, value, and effect. Taints prevent the scheduling of {{< glossary_tooltip text="Pods" term_id="pod" >}} on {{< glossary_tooltip text="nodes" term_id="node" >}} or node groups.

Taints and {{< glossary_tooltip text="tolerations" term_id="toleration" >}} work together to ensure that pods are not scheduled onto inappropriate nodes. One or more taints are applied to a node. A node should only schedule a Pod with the matching tolerations for the configured taints.