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Diffstat (limited to 'src/mongo/db/s/transaction_coordinator_metrics_observer.cpp')
-rw-r--r-- | src/mongo/db/s/transaction_coordinator_metrics_observer.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/mongo/db/s/transaction_coordinator_metrics_observer.cpp b/src/mongo/db/s/transaction_coordinator_metrics_observer.cpp new file mode 100644 index 00000000000..593e4a8dfb4 --- /dev/null +++ b/src/mongo/db/s/transaction_coordinator_metrics_observer.cpp @@ -0,0 +1,184 @@ +/** + * Copyright (C) 2019-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. + */ + +#include "mongo/platform/basic.h" + +#include "mongo/db/s/transaction_coordinator_metrics_observer.h" + +namespace mongo { + +void TransactionCoordinatorMetricsObserver::onCreate( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setCreateTime(tickSource->getTicks(), curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + serverTransactionCoordinatorsMetrics->incrementTotalCreated(); +} + +void TransactionCoordinatorMetricsObserver::onStartWritingParticipantList( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setWritingParticipantListStartTime(tickSource->getTicks(), + curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + + serverTransactionCoordinatorsMetrics->incrementTotalStartedTwoPhaseCommit(); + serverTransactionCoordinatorsMetrics->incrementCurrentWritingParticipantList(); +} + +void TransactionCoordinatorMetricsObserver::onStartWaitingForVotes( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setWaitingForVotesStartTime(tickSource->getTicks(), + curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + serverTransactionCoordinatorsMetrics->decrementCurrentWritingParticipantList(); + serverTransactionCoordinatorsMetrics->incrementCurrentWaitingForVotes(); +} + +void TransactionCoordinatorMetricsObserver::onStartWritingDecision( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setWritingDecisionStartTime(tickSource->getTicks(), + curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + serverTransactionCoordinatorsMetrics->decrementCurrentWaitingForVotes(); + serverTransactionCoordinatorsMetrics->incrementCurrentWritingDecision(); +} + +void TransactionCoordinatorMetricsObserver::onStartWaitingForDecisionAcks( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setWaitingForDecisionAcksStartTime(tickSource->getTicks(), + curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + serverTransactionCoordinatorsMetrics->decrementCurrentWritingDecision(); + serverTransactionCoordinatorsMetrics->incrementCurrentWaitingForDecisionAcks(); +} + +void TransactionCoordinatorMetricsObserver::onStartDeletingCoordinatorDoc( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setDeletingCoordinatorDocStartTime(tickSource->getTicks(), + curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + serverTransactionCoordinatorsMetrics->decrementCurrentWaitingForDecisionAcks(); + serverTransactionCoordinatorsMetrics->incrementCurrentDeletingCoordinatorDoc(); +} + +void TransactionCoordinatorMetricsObserver::onEnd( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TickSource* tickSource, + Date_t curWallClockTime, + TransactionCoordinator::Step step) { + + // + // Per transaction coordinator stats. + // + _singleTransactionCoordinatorStats.setEndTime(tickSource->getTicks(), curWallClockTime); + + // + // Server wide transaction coordinators metrics. + // + _decrementLastStep(serverTransactionCoordinatorsMetrics, step); +} + +void TransactionCoordinatorMetricsObserver::_decrementLastStep( + ServerTransactionCoordinatorsMetrics* serverTransactionCoordinatorsMetrics, + TransactionCoordinator::Step step) { + switch (step) { + case TransactionCoordinator::Step::kInactive: + break; + case TransactionCoordinator::Step::kWritingParticipantList: + serverTransactionCoordinatorsMetrics->decrementCurrentWritingParticipantList(); + break; + case TransactionCoordinator::Step::kWaitingForVotes: + serverTransactionCoordinatorsMetrics->decrementCurrentWaitingForVotes(); + break; + case TransactionCoordinator::Step::kWritingDecision: + serverTransactionCoordinatorsMetrics->decrementCurrentWritingDecision(); + break; + case TransactionCoordinator::Step::kWaitingForDecisionAcks: + serverTransactionCoordinatorsMetrics->decrementCurrentWaitingForDecisionAcks(); + break; + case TransactionCoordinator::Step::kDeletingCoordinatorDoc: + serverTransactionCoordinatorsMetrics->decrementCurrentDeletingCoordinatorDoc(); + break; + } +} + +} // namespace mongo |