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// Tests server parameter information shown by explain.
// @tags: [
// does_not_support_stepdowns,
// # TODO SERVER-30466
// does_not_support_causal_consistency,
// ]
(function() {
"use strict";
const coll = db.explain_server_params;
coll.drop();
assert.commandWorked(coll.createIndex({x: 1}));
assert.commandWorked(coll.createIndex({y: 1}));
let result = coll.explain().aggregate([{$match: {x: 1, y: 1}}]);
assert(result.hasOwnProperty('serverParameters'), result);
assert.hasFields(result.serverParameters, [
'internalQueryFacetBufferSizeBytes',
'internalLookupStageIntermediateDocumentMaxSizeBytes',
'internalDocumentSourceGroupMaxMemoryBytes',
'internalQueryMaxBlockingSortMemoryUsageBytes',
'internalQueryProhibitBlockingMergeOnMongoS',
'internalQueryFacetMaxOutputDocSizeBytes',
'internalQueryMaxAddToSetBytes'
]);
result = coll.find({x: 1, y: 1}).explain('executionStats');
assert(result.hasOwnProperty('serverParameters'), result);
assert.hasFields(result.serverParameters, [
'internalQueryFacetBufferSizeBytes',
'internalLookupStageIntermediateDocumentMaxSizeBytes',
'internalDocumentSourceGroupMaxMemoryBytes',
'internalQueryMaxBlockingSortMemoryUsageBytes',
'internalQueryProhibitBlockingMergeOnMongoS',
'internalQueryFacetMaxOutputDocSizeBytes',
'internalQueryMaxAddToSetBytes'
]);
result = coll.find({x: 1, y: 1}).explain('queryPlanner');
assert(result.hasOwnProperty('serverParameters'), result);
assert.hasFields(result.serverParameters, [
'internalQueryFacetBufferSizeBytes',
'internalLookupStageIntermediateDocumentMaxSizeBytes',
'internalDocumentSourceGroupMaxMemoryBytes',
'internalQueryMaxBlockingSortMemoryUsageBytes',
'internalQueryProhibitBlockingMergeOnMongoS',
'internalQueryFacetMaxOutputDocSizeBytes',
'internalQueryMaxAddToSetBytes'
]);
})();
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