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/**
* Copyright (C) 2014 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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/query/query_knobs.h"
#include "mongo/db/server_options.h"
#include "mongo/db/server_parameters.h"
namespace mongo {
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlanEvaluationWorks, int, 10000);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlanEvaluationCollFraction, double, 0.3);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlanEvaluationMaxResults, int, 101);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryCacheSize, int, 5000);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryCacheFeedbacksStored, int, 20);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryCacheEvictionRatio, double, 10.0);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryCacheWorksGrowthCoefficient, double, 2.0)
->withValidator([](const double& newVal) {
if (newVal <= 1.0) {
return Status(ErrorCodes::BadValue,
"internalQueryCacheWorksGrowthCoefficient must be > 1.0");
}
return Status::OK();
});
MONGO_EXPORT_SERVER_PARAMETER(internalQueryCacheDisableInactiveEntries, bool, false);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryCacheListPlansNewOutput, bool, false);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlannerMaxIndexedSolutions, int, 64);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryEnumerationMaxOrSolutions, int, 10);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryEnumerationMaxIntersectPerAnd, int, 3);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryForceIntersectionPlans, bool, false);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlannerEnableIndexIntersection, bool, true);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlannerEnableHashIntersection, bool, false);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlanOrChildrenIndependently, bool, true);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryMaxScansToExplode, int, 200);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryExecMaxBlockingSortBytes, int, 32 * 1024 * 1024);
// Yield every 128 cycles or 10ms.
MONGO_EXPORT_SERVER_PARAMETER(internalQueryExecYieldIterations, int, 128);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryExecYieldPeriodMS, int, 10);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryFacetBufferSizeBytes, int, 100 * 1024 * 1024);
MONGO_EXPORT_SERVER_PARAMETER(internalDocumentSourceSortMaxBlockingSortBytes,
long long,
100 * 1024 * 1024)
->withValidator([](const long long& newVal) {
if (newVal <= 0) {
return Status(ErrorCodes::BadValue,
"internalDocumentSourceSortMaxBlockingSortBytes must be >= 0");
}
return Status::OK();
});
MONGO_EXPORT_SERVER_PARAMETER(internalDocumentSourceGroupMaxMemoryBytes,
long long,
100 * 1024 * 1024)
->withValidator([](const long long& newVal) {
if (newVal <= 0) {
return Status(ErrorCodes::BadValue,
"internalDocumentSourceGroupMaxMemoryBytes must be >= 0");
}
return Status::OK();
});
MONGO_EXPORT_SERVER_PARAMETER(internalInsertMaxBatchSize,
int,
internalQueryExecYieldIterations.load() / 2);
MONGO_EXPORT_SERVER_PARAMETER(internalDocumentSourceCursorBatchSizeBytes, int, 4 * 1024 * 1024);
MONGO_EXPORT_SERVER_PARAMETER(internalDocumentSourceLookupCacheSizeBytes, int, 100 * 1024 * 1024);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryPlannerGenerateCoveredWholeIndexScans, bool, false);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryIgnoreUnknownJSONSchemaKeywords, bool, false);
MONGO_EXPORT_SERVER_PARAMETER(internalQueryProhibitBlockingMergeOnMongoS, bool, false);
} // namespace mongo
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