43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/*
|
|
* TagThrottler.h
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "fdbclient/PImpl.h"
|
|
#include "fdbserver/Ratekeeper.h"
|
|
|
|
class TagThrottler {
|
|
PImpl<class TagThrottlerImpl> impl;
|
|
|
|
public:
|
|
TagThrottler(Database db, UID id);
|
|
~TagThrottler();
|
|
Future<Void> monitorThrottlingChanges();
|
|
void addRequests(TransactionTag tag, int count);
|
|
uint64_t getThrottledTagChangeId() const;
|
|
PrioritizedTransactionTagMap<ClientTagThrottleLimits> getClientRates();
|
|
int64_t autoThrottleCount() const;
|
|
uint32_t busyReadTagCount() const;
|
|
uint32_t busyWriteTagCount() const;
|
|
int64_t manualThrottleCount() const;
|
|
bool isAutoThrottlingEnabled() const;
|
|
Future<Void> tryAutoThrottleTag(StorageQueueInfo const&, int64_t storageQueue, int64_t storageDurabilityLag);
|
|
};
|