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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/db/namespace_string.h"
#include "mongo/db/s/sharding_data_transform_cumulative_metrics.h"
#include "mongo/db/s/sharding_data_transform_instance_metrics_field_name_provider.h"
#include "mongo/db/s/sharding_data_transform_metrics.h"
#include "mongo/db/s/sharding_data_transform_metrics_observer_interface.h"
#include "mongo/util/duration.h"
namespace mongo {
class ShardingDataTransformInstanceMetrics {
public:
using Role = ShardingDataTransformMetrics::Role;
using ObserverPtr = std::unique_ptr<ShardingDataTransformMetricsObserverInterface>;
using FieldNameProviderPtr =
std::unique_ptr<ShardingDataTransformInstanceMetricsFieldNameProvider>;
ShardingDataTransformInstanceMetrics(UUID instanceId,
BSONObj originalCommand,
NamespaceString sourceNs,
Role role,
Date_t startTime,
ClockSource* clockSource,
ShardingDataTransformCumulativeMetrics* cumulativeMetrics,
FieldNameProviderPtr fieldNames);
ShardingDataTransformInstanceMetrics(UUID instanceId,
BSONObj originalCommand,
NamespaceString sourceNs,
Role role,
Date_t startTime,
ClockSource* clockSource,
ShardingDataTransformCumulativeMetrics* cumulativeMetrics,
FieldNameProviderPtr fieldNames,
ObserverPtr observer);
virtual ~ShardingDataTransformInstanceMetrics() = default;
virtual BSONObj reportForCurrentOp() const noexcept;
boost::optional<Milliseconds> getHighEstimateRemainingTimeMillis() const;
boost::optional<Milliseconds> getLowEstimateRemainingTimeMillis() const;
Date_t getStartTimestamp() const;
const UUID& getInstanceId() const;
void onStarted();
void onSuccess();
void onFailure();
void onCanceled();
void onCopyingBegin();
void onCopyingEnd();
void onApplyingBegin();
void onApplyingEnd();
void onDocumentsProcessed(int64_t documentCount,
int64_t totalDocumentsSizeBytes,
Milliseconds elapsed);
Date_t getCopyingBegin() const;
Date_t getCopyingEnd() const;
int64_t getDocumentsProcessedCount() const;
int64_t getBytesWrittenCount() const;
int64_t getApproxBytesToScanCount() const;
void setDocumentsToProcessCounts(int64_t documentCount, int64_t totalDocumentsSizeBytes);
void setCoordinatorHighEstimateRemainingTimeMillis(Milliseconds milliseconds);
void setCoordinatorLowEstimateRemainingTimeMillis(Milliseconds milliseconds);
void onCloningRemoteBatchRetrieval(Milliseconds elapsed);
void onWriteToStashedCollections();
void onReadDuringCriticalSection();
void onWriteDuringCriticalSection();
void onCriticalSectionBegin();
void onCriticalSectionEnd();
Role getRole() const;
Seconds getOperationRunningTimeSecs() const;
Seconds getCopyingElapsedTimeSecs() const;
Seconds getApplyingElapsedTimeSecs() const;
Seconds getCriticalSectionElapsedTimeSecs() const;
void setLastOpEndingChunkImbalance(int64_t imbalanceCount);
protected:
static constexpr auto kNoDate = Date_t::min();
using UniqueScopedObserver = ShardingDataTransformCumulativeMetrics::UniqueScopedObserver;
template <typename T>
T getElapsed(const AtomicWord<Date_t>& startTime,
const AtomicWord<Date_t>& endTime,
ClockSource* clock) const {
auto start = startTime.load();
if (start == kNoDate) {
return T{0};
}
auto end = endTime.load();
if (end == kNoDate) {
end = clock->now();
}
return duration_cast<T>(end - start);
}
void restoreCopyingBegin(Date_t date);
void restoreCopyingEnd(Date_t date);
void restoreDocumentsProcessed(int64_t documentCount, int64_t totalDocumentsSizeBytes);
void restoreWritesToStashCollections(int64_t writesToStashCollections);
virtual std::string createOperationDescription() const noexcept;
virtual StringData getStateString() const noexcept;
virtual boost::optional<Milliseconds> getRecipientHighEstimateRemainingTimeMillis() const = 0;
ShardingDataTransformCumulativeMetrics* getCumulativeMetrics();
ClockSource* getClockSource() const;
UniqueScopedObserver registerInstanceMetrics();
const UUID _instanceId;
const BSONObj _originalCommand;
const NamespaceString _sourceNs;
const Role _role;
FieldNameProviderPtr _fieldNames;
private:
const Date_t _startTime;
ClockSource* _clockSource;
ObserverPtr _observer;
ShardingDataTransformCumulativeMetrics* _cumulativeMetrics;
AtomicWord<Date_t> _copyingStartTime;
AtomicWord<Date_t> _copyingEndTime;
AtomicWord<int32_t> _approxDocumentsToProcess;
AtomicWord<int32_t> _documentsProcessed;
AtomicWord<int32_t> _approxBytesToScan;
AtomicWord<int32_t> _bytesWritten;
AtomicWord<int64_t> _writesToStashCollections;
AtomicWord<Milliseconds> _coordinatorHighEstimateRemainingTimeMillis;
AtomicWord<Milliseconds> _coordinatorLowEstimateRemainingTimeMillis;
AtomicWord<Date_t> _criticalSectionStartTime;
AtomicWord<Date_t> _criticalSectionEndTime;
AtomicWord<int64_t> _readsDuringCriticalSection;
AtomicWord<int64_t> _writesDuringCriticalSection;
};
} // namespace mongo
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