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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.
*/
#include "mongo/db/s/resharding/resharding_cumulative_metrics.h"
namespace mongo {
namespace {
constexpr auto kResharding = "resharding";
}
ReshardingCumulativeMetrics::ReshardingCumulativeMetrics()
: ShardingDataTransformCumulativeMetrics(
kResharding, std::make_unique<ReshardingCumulativeMetricsFieldNameProvider>()),
_fieldNames(
static_cast<const ReshardingCumulativeMetricsFieldNameProvider*>(getFieldNames())) {}
StringData ReshardingCumulativeMetrics::fieldNameFor(
CoordinatorStateEnum state, const ReshardingCumulativeMetricsFieldNameProvider* provider) {
switch (state) {
case CoordinatorStateEnum::kInitializing:
return provider->getForCountInstancesInCoordinatorState1Initializing();
case CoordinatorStateEnum::kPreparingToDonate:
return provider->getForCountInstancesInCoordinatorState2PreparingToDonate();
case CoordinatorStateEnum::kCloning:
return provider->getForCountInstancesInCoordinatorState3Cloning();
case CoordinatorStateEnum::kApplying:
return provider->getForCountInstancesInCoordinatorState4Applying();
case CoordinatorStateEnum::kBlockingWrites:
return provider->getForCountInstancesInCoordinatorState5BlockingWrites();
case CoordinatorStateEnum::kAborting:
return provider->getForCountInstancesInCoordinatorState6Aborting();
case CoordinatorStateEnum::kCommitting:
return provider->getForCountInstancesInCoordinatorState7Committing();
default:
uasserted(6438601,
str::stream()
<< "no field name for coordinator state " << static_cast<int32_t>(state));
break;
}
MONGO_UNREACHABLE;
}
StringData ReshardingCumulativeMetrics::fieldNameFor(
DonorStateEnum state, const ReshardingCumulativeMetricsFieldNameProvider* provider) {
switch (state) {
case DonorStateEnum::kPreparingToDonate:
return provider->getForCountInstancesInDonorState1PreparingToDonate();
case DonorStateEnum::kDonatingInitialData:
return provider->getForCountInstancesInDonorState2DonatingInitialData();
case DonorStateEnum::kDonatingOplogEntries:
return provider->getForCountInstancesInDonorState3DonatingOplogEntries();
case DonorStateEnum::kPreparingToBlockWrites:
return provider->getForCountInstancesInDonorState4PreparingToBlockWrites();
case DonorStateEnum::kError:
return provider->getForCountInstancesInDonorState5Error();
case DonorStateEnum::kBlockingWrites:
return provider->getForCountInstancesInDonorState6BlockingWrites();
case DonorStateEnum::kDone:
return provider->getForCountInstancesInDonorState7Done();
default:
uasserted(6438700,
str::stream()
<< "no field name for donor state " << static_cast<int32_t>(state));
break;
}
MONGO_UNREACHABLE;
}
StringData ReshardingCumulativeMetrics::fieldNameFor(
RecipientStateEnum state, const ReshardingCumulativeMetricsFieldNameProvider* provider) {
switch (state) {
case RecipientStateEnum::kAwaitingFetchTimestamp:
return provider->getForCountInstancesInRecipientState1AwaitingFetchTimestamp();
case RecipientStateEnum::kCreatingCollection:
return provider->getForCountInstancesInRecipientState2CreatingCollection();
case RecipientStateEnum::kCloning:
return provider->getForCountInstancesInRecipientState3Cloning();
case RecipientStateEnum::kApplying:
return provider->getForCountInstancesInRecipientState4Applying();
case RecipientStateEnum::kError:
return provider->getForCountInstancesInRecipientState5Error();
case RecipientStateEnum::kStrictConsistency:
return provider->getForCountInstancesInRecipientState6StrictConsistency();
case RecipientStateEnum::kDone:
return provider->getForCountInstancesInRecipientState7Done();
default:
uasserted(6438900,
str::stream()
<< "no field name for recipient state " << static_cast<int32_t>(state));
break;
}
MONGO_UNREACHABLE;
}
void ReshardingCumulativeMetrics::reportActive(BSONObjBuilder* bob) const {
ShardingDataTransformCumulativeMetrics::reportActive(bob);
bob->append(_fieldNames->getForOplogEntriesFetched(), _oplogEntriesFetched.load());
bob->append(_fieldNames->getForOplogEntriesApplied(), _oplogEntriesApplied.load());
bob->append(_fieldNames->getForInsertsApplied(), _insertsApplied.load());
bob->append(_fieldNames->getForUpdatesApplied(), _updatesApplied.load());
bob->append(_fieldNames->getForDeletesApplied(), _deletesApplied.load());
}
void ReshardingCumulativeMetrics::reportLatencies(BSONObjBuilder* bob) const {
ShardingDataTransformCumulativeMetrics::reportLatencies(bob);
bob->append(_fieldNames->getForOplogFetchingTotalRemoteBatchRetrievalTimeMillis(),
_oplogFetchingTotalRemoteBatchesRetrievalTimeMillis.load());
bob->append(_fieldNames->getForOplogFetchingTotalRemoteBatchesRetrieved(),
_oplogFetchingTotalRemoteBatchesRetrieved.load());
bob->append(_fieldNames->getForOplogFetchingTotalLocalInsertTimeMillis(),
_oplogFetchingTotalLocalInsertTimeMillis.load());
bob->append(_fieldNames->getForOplogFetchingTotalLocalInserts(),
_oplogFetchingTotalLocalInserts.load());
bob->append(_fieldNames->getForOplogApplyingTotalLocalBatchRetrievalTimeMillis(),
_oplogApplyingTotalBatchesRetrievalTimeMillis.load());
bob->append(_fieldNames->getForOplogApplyingTotalLocalBatchesRetrieved(),
_oplogApplyingTotalBatchesRetrieved.load());
bob->append(_fieldNames->getForOplogApplyingTotalLocalBatchApplyTimeMillis(),
_oplogBatchAppliedMillis.load());
bob->append(_fieldNames->getForOplogApplyingTotalLocalBatchesApplied(),
_oplogBatchApplied.load());
}
void ReshardingCumulativeMetrics::reportCurrentInSteps(BSONObjBuilder* bob) const {
ShardingDataTransformCumulativeMetrics::reportCurrentInSteps(bob);
auto reportState = [this, bob](auto state) {
bob->append(fieldNameFor(state, _fieldNames), getStateCounter(state)->load());
};
reportState(CoordinatorStateEnum::kInitializing);
reportState(CoordinatorStateEnum::kPreparingToDonate);
reportState(CoordinatorStateEnum::kCloning);
reportState(CoordinatorStateEnum::kApplying);
reportState(CoordinatorStateEnum::kBlockingWrites);
reportState(CoordinatorStateEnum::kAborting);
reportState(CoordinatorStateEnum::kCommitting);
reportState(RecipientStateEnum::kAwaitingFetchTimestamp);
reportState(RecipientStateEnum::kCreatingCollection);
reportState(RecipientStateEnum::kCloning);
reportState(RecipientStateEnum::kApplying);
reportState(RecipientStateEnum::kError);
reportState(RecipientStateEnum::kStrictConsistency);
reportState(RecipientStateEnum::kDone);
reportState(DonorStateEnum::kPreparingToDonate);
reportState(DonorStateEnum::kDonatingInitialData);
reportState(DonorStateEnum::kDonatingOplogEntries);
reportState(DonorStateEnum::kPreparingToBlockWrites);
reportState(DonorStateEnum::kError);
reportState(DonorStateEnum::kBlockingWrites);
reportState(DonorStateEnum::kDone);
}
void ReshardingCumulativeMetrics::onInsertApplied() {
_insertsApplied.fetchAndAdd(1);
}
void ReshardingCumulativeMetrics::onUpdateApplied() {
_updatesApplied.fetchAndAdd(1);
}
void ReshardingCumulativeMetrics::onDeleteApplied() {
_deletesApplied.fetchAndAdd(1);
}
void ReshardingCumulativeMetrics::onOplogEntriesFetched(int64_t numEntries, Milliseconds elapsed) {
_oplogEntriesFetched.fetchAndAdd(numEntries);
_oplogFetchingTotalRemoteBatchesRetrieved.fetchAndAdd(1);
_oplogFetchingTotalRemoteBatchesRetrievalTimeMillis.fetchAndAdd(
durationCount<Milliseconds>(elapsed));
}
void ReshardingCumulativeMetrics::onOplogEntriesApplied(int64_t numEntries) {
_oplogEntriesApplied.fetchAndAdd(numEntries);
}
void ReshardingCumulativeMetrics::onOplogLocalBatchApplied(Milliseconds elapsed) {
_oplogBatchApplied.fetchAndAdd(1);
_oplogBatchAppliedMillis.fetchAndAdd(durationCount<Milliseconds>(elapsed));
}
void ReshardingCumulativeMetrics::onLocalInsertDuringOplogFetching(
const Milliseconds& elapsedTime) {
_oplogFetchingTotalLocalInserts.fetchAndAdd(1);
_oplogFetchingTotalLocalInsertTimeMillis.fetchAndAdd(durationCount<Milliseconds>(elapsedTime));
}
void ReshardingCumulativeMetrics::onBatchRetrievedDuringOplogApplying(
const Milliseconds& elapsedTime) {
_oplogApplyingTotalBatchesRetrieved.fetchAndAdd(1);
_oplogApplyingTotalBatchesRetrievalTimeMillis.fetchAndAdd(
durationCount<Milliseconds>(elapsedTime));
}
} // namespace mongo
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