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[kubernetes/scheduler] use lockless diagnosis collection in findNodesThatPassFilters

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This commit is contained in:
Oleg Guba 2024-02-29 20:43:50 -08:00
parent 5cf4fbe524
commit e6dd36759f
1 changed files with 14 additions and 5 deletions
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19
pkg/scheduler/schedule_one.go
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@ -595,10 +595,15 @@ func (sched *Scheduler) findNodesThatPassFilters(
} }
errCh := parallelize.NewErrorChannel() errCh := parallelize.NewErrorChannel()
var statusesLock sync.Mutex
var feasibleNodesLen int32 var feasibleNodesLen int32
ctx, cancel := context.WithCancel(ctx) ctx, cancel := context.WithCancel(ctx)
defer cancel() defer cancel()
type nodeStatus struct {
node string
status *framework.Status
}
result := make([]*nodeStatus, len(feasibleNodes))
checkNode := func(i int) { checkNode := func(i int) {
// We check the nodes starting from where we left off in the previous scheduling cycle, // We check the nodes starting from where we left off in the previous scheduling cycle,
// this is to make sure all nodes have the same chance of being examined across pods. // this is to make sure all nodes have the same chance of being examined across pods.
@ -617,12 +622,16 @@ func (sched *Scheduler) findNodesThatPassFilters(
feasibleNodes[length-1] = nodeInfo feasibleNodes[length-1] = nodeInfo
} }
} else { } else {
statusesLock.Lock() result[i] = &nodeStatus{node: nodeInfo.Node().Name, status: status}
diagnosis.NodeToStatusMap[nodeInfo.Node().Name] = status
diagnosis.AddPluginStatus(status)
statusesLock.Unlock()
} }
} }
for _, item := range result {
if item == nil {
continue
}
diagnosis.NodeToStatusMap[item.node] = item.status
diagnosis.AddPluginStatus(item.status)
}
beginCheckNode := time.Now() beginCheckNode := time.Now()
statusCode := framework.Success statusCode := framework.Success