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update priority eviction docs

This commit is contained in:
David Ashpole 2017-10-06 10:24:11 -07:00
parent ff82a64245
commit 4b70550e0e
1 changed files with 5 additions and 8 deletions
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13
contributors/design-proposals/node/kubelet-eviction.md
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@ -248,15 +248,12 @@ Priority, and are the largest consumers of the starved resource relative to
their scheduling request.
It will target pods whose usage of the starved resource exceeds its requests.
Of those pods, it will rank by a function of priority, and usage - requests.
Roughly speaking, if a pod has twice the priority of another pod, it will
recieve half the penalty for usage above requests. If system daemons are
exceeding their allocation (see [Strategy Caveat](strategy-caveat) below),
and all pods are using less than their requests, then it will evict a pod
whose usage is less than requests, based on the function of priority, and
usage - requests.
Of those pods, it will rank by priority, then usage - requests. If system
daemons are exceeding their allocation (see [Strategy Caveat](strategy-caveat) below),
and all pods are using less than their requests, then it must evict a pod
whose usage is less than requests, based on priority, then usage - requests.
Prior to v1.8:
Prior to v1.9:
The `kubelet` will implement a default eviction strategy oriented around
the pod quality of service class.