const conn = MongoRunner.runMongod({setParameter:{internalQueryStatsRateLimit: -1,},}); const dbName = jsTestName(); const db = conn.getDB(dbName); const collName = "base" ; const coll = db[collName]; coll.drop(); assert .commandWorked(coll.insert({x: 10, y: 20, f1:[3,5,7]})); // Run the query let res = coll.find({ 'f1.0' : {$elemMatch: {$all: [3, 5]}}}).toArray(); // Get query stats const statsRes = db.adminCommand({aggregate: 1, pipeline: [{$queryStats: {}}], cursor: {}}); assert .commandWorked(statsRes); print( "Query stats:" , tojson(statsRes.cursor.firstBatch));