5e4ccede4c
With the alpha scheduling queue we move pods from unschedulable to active on certain events without a backoff. As a result we can cause starvation issues if high priority pods are in the unschedulable queue. Implement a backoff mechanism for pods being moved to active. Closes #56721
35 lines
878 B
Go
35 lines
878 B
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"time"
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)
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// Clock provides an interface for getting the current time
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type Clock interface {
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Now() time.Time
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}
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// RealClock implements a clock using time
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type RealClock struct{}
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// Now returns the current time with time.Now
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func (RealClock) Now() time.Time {
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return time.Now()
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}
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