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Replaced uber atomic with sync atomic, removed unneded "blank import"

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This commit is contained in:
Mike Spreitzer 2020-03-01 18:10:20 -05:00 committed by yue9944882
parent 11656478be
commit dbe8436144
2 changed files with 6 additions and 10 deletions
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2
staging/src/k8s.io/apiserver/pkg/server/filters/BUILD
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@ -59,9 +59,7 @@ go_library(
"//staging/src/k8s.io/apiserver/pkg/endpoints/request:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/server/httplog:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/flowcontrol:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/flowcontrol/metrics:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/scheme:go_default_library",
"//vendor/go.uber.org/atomic:go_default_library",
"//vendor/k8s.io/klog:go_default_library",
],
)

14
staging/src/k8s.io/apiserver/pkg/server/filters/priority-and-fairness.go
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@ -20,10 +20,8 @@ import (
"context"
"fmt"
"net/http"
"sync/atomic"
_ "k8s.io/apiserver/pkg/util/flowcontrol/metrics"
"go.uber.org/atomic"
fcv1a1 "k8s.io/api/flowcontrol/v1alpha1"
apitypes "k8s.io/apimachinery/pkg/types"
apirequest "k8s.io/apiserver/pkg/endpoints/request"
@ -55,7 +53,7 @@ func GetClassification(ctx context.Context) *PriorityAndFairnessClassification {
return ctx.Value(priorityAndFairnessKey).(*PriorityAndFairnessClassification)
}
var atomicMutatingLen, atomicNonMutatingLen = atomic.NewInt32(0), atomic.NewInt32(0)
var atomicMutatingLen, atomicNonMutatingLen int32
// WithPriorityAndFairness limits the number of in-flight
// requests in a fine-grained way.
@ -103,16 +101,16 @@ func WithPriorityAndFairness(
execute := func() {
var mutatingLen, readOnlyLen int
if isMutatingRequest {
mutatingLen = int(atomicMutatingLen.Inc())
mutatingLen = int(atomic.AddInt32(&atomicMutatingLen, 1))
} else {
readOnlyLen = int(atomicNonMutatingLen.Inc())
readOnlyLen = int(atomic.AddInt32(&atomicNonMutatingLen, 1))
}
defer func() {
if isMutatingRequest {
atomicMutatingLen.Dec()
atomic.AddInt32(&atomicMutatingLen, -11)
watermark.recordMutating(mutatingLen)
} else {
atomicNonMutatingLen.Dec()
atomic.AddInt32(&atomicNonMutatingLen, -1)
watermark.recordReadOnly(readOnlyLen)
}
}()