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Merge pull request #91189 from MikeSpreitzer/fq-comments

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Clean up fairqueuing/interface.go
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Kubernetes Prow Robot 2020-05-19 15:22:57 -07:00 committed by GitHub
commit 3ccf38dab0
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1 changed files with 11 additions and 17 deletions
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staging/src/k8s.io/apiserver/pkg/util/flowcontrol/fairqueuing/interface.go
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@ -66,16 +66,17 @@ type QueueSet interface {
IsIdle() bool IsIdle() bool
// StartRequest begins the process of handling a request. If the // StartRequest begins the process of handling a request. If the
// request gets queued and the number of queues is greater than // request gets queued and the number of queues is greater than 1
// 1 then Wait uses the given hashValue as the source of entropy // then StartRequest uses the given hashValue as the source of
// as it shuffle-shards the request into a queue. The descr1 and // entropy as it shuffle-shards the request into a queue. The
// descr2 values play no role in the logic but appear in log // descr1 and descr2 values play no role in the logic but appear
// messages. This method always returns quickly (without waiting // in log messages. This method always returns quickly (without
// for the request to be dequeued). If this method returns a nil // waiting for the request to be dequeued). If this method
// Request value then caller should reject the request and the // returns a nil Request value then caller should reject the
// returned bool indicates whether the QueueSet was idle at the // request and the returned bool indicates whether the QueueSet
// moment of the return. Otherwise idle==false and the client // was idle at the moment of the return. Otherwise idle==false
// must call the Wait method of the Request exactly once. // and the client must call the Finish method of the Request
// exactly once.
StartRequest(ctx context.Context, hashValue uint64, fsName string, descr1, descr2 interface{}) (req Request, idle bool) StartRequest(ctx context.Context, hashValue uint64, fsName string, descr1, descr2 interface{}) (req Request, idle bool)
} }
@ -116,10 +117,3 @@ type DispatchingConfig struct {
// ConcurrencyLimit is the maximum number of requests of this QueueSet that may be executing at a time // ConcurrencyLimit is the maximum number of requests of this QueueSet that may be executing at a time
ConcurrencyLimit int ConcurrencyLimit int
} }
// EmptyHandler is used to notify the callee when all the queues
// of a QueueSet have been drained.
type EmptyHandler interface {
// HandleEmpty is called to deliver the notification
HandleEmpty()
}