43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/*
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* TagThrottler.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#pragma once
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#include "fdbclient/PImpl.h"
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#include "fdbserver/Ratekeeper.h"
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class TagThrottler {
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PImpl<class TagThrottlerImpl> impl;
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public:
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TagThrottler(Database db, UID id);
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~TagThrottler();
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Future<Void> monitorThrottlingChanges();
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void addRequests(TransactionTag tag, int count);
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uint64_t getThrottledTagChangeId() const;
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PrioritizedTransactionTagMap<ClientTagThrottleLimits> getClientRates();
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int64_t autoThrottleCount() const;
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uint32_t busyReadTagCount() const;
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uint32_t busyWriteTagCount() const;
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int64_t manualThrottleCount() const;
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bool isAutoThrottlingEnabled() const;
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Future<Void> tryAutoThrottleTag(StorageQueueInfo&, int64_t storageQueue, int64_t storageDurabilityLag);
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};
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