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Tim Hockin
2015-07-11 21:04:52 -07:00
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docs/devel/scheduler_algorithm.md
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<h1>*** PLEASE NOTE: This document applies to the HEAD of the source
tree only. If you are using a released version of Kubernetes, you almost
certainly want the docs that go with that version.</h1>
<strong>Documentation for specific releases can be found at
[releases.k8s.io](http://releases.k8s.io).</strong>
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# Scheduler Algorithm in Kubernetes
For each unscheduled Pod, the Kubernetes scheduler tries to find a node across the cluster according to a set of rules. A general introduction to the Kubernetes scheduler can be found at [docs/devel/scheduler.md](../../docs/devel/scheduler.md). In this document, the algorithm of how to select a node for the Pod is explained. There are two steps before a destination node of a Pod is chosen. The first step is filtering all the nodes and the second is ranking the remaining nodes to find a best fit for the Pod.