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An interface that allows pre-filter plugins to update their pre-calculated.

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This is needed to allow efficient preemption simulations: during preemption, we remove/add pods from each node before running the filter plugins again to evaluate whether removing/adding specific pods will allow the incoming pod to be scheduled on the node. Instead of calling prefilter again, we should allow the plugin to do incremental update to its pre-computed state.
This commit is contained in:
Abdullah Gharaibeh
2019-09-24 12:39:27 -04:00
parent 512eccac1f
commit 37b9e6d1ea
10 changed files with 338 additions and 8 deletions
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8
pkg/scheduler/internal/queue/scheduling_queue_test.go
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@@ -175,6 +175,14 @@ func (*fakeFramework) RunFilterPlugins(pc *framework.PluginContext, pod *v1.Pod,
return nil
}
func (*fakeFramework) RunPreFilterUpdaterAddPod(pc *framework.PluginContext, podToSchedule *v1.Pod, podToAdd *v1.Pod, nodeInfo *schedulernodeinfo.NodeInfo) *framework.Status {
return nil
}
func (*fakeFramework) RunPreFilterUpdaterRemovePod(pc *framework.PluginContext, podToSchedule *v1.Pod, podToAdd *v1.Pod, nodeInfo *schedulernodeinfo.NodeInfo) *framework.Status {
return nil
}
func (*fakeFramework) RunScorePlugins(pc *framework.PluginContext, pod *v1.Pod, nodes []*v1.Node) (framework.PluginToNodeScores, *framework.Status) {
return nil, nil
}