gistfile1.txt

globaldb:PRIMARY> db.users.count({test:"TelescopeTest2",group:"Test"})
9721

globaldb:PRIMARY> db.runCommand({getLastRequestStatistics:1})
{
	"CommandName" : "count",
	"RequestCharge" : 1203.82,
	"RequestDurationInMilliSeconds" : NumberLong(318),
	"ActivityId" : "0e3e093f-9af8-459a-99ed-53113b138197",
	"ok" : 1
}

globaldb:PRIMARY> db.users.explain().count({test:"TelescopeTest2",group:"Test"})
{
	"stages" : [
		{
			"stage" : "$aggregateQuery",
			"timeInclusiveMS" : 241.3663,
			"timeExclusiveMS" : 0.0421,
			"in" : 1,
			"out" : 1,
			"details" : {
				"database" : "telescope",
				"collection" : "users",
				"query" : {
					"$and" : [
						{
							"test" : {
								"$eq" : "TelescopeTest2"
							}
						},
						{
							"group" : {
								"$eq" : "Test"
							}
						}
					]
				},
				"pathsIndexed" : [
					"test",
					"group"
				],
				"pathsNotIndexed" : [ ],
				"aggregate" : {
					"$count" : "c"
				},
				"shardInformation" : [
					{
						"activityId" : "4d2610aa-f817-4aa0-99eb-44728605a095",
						"shardKeyRangeId" : "0",
						"durationMS" : 227.6347,
						"preemptions" : 1,
						"outputDocumentCount" : 1,
						"retrievedDocumentCount" : 29729
					}
				],
				"queryMetrics" : {
					"retrievedDocumentCount" : 29729,
					"retrievedDocumentSizeBytes" : 14419602,
					"outputDocumentCount" : 1,
					"outputDocumentSizeBytes" : 46,
					"indexHitRatio" : 0,
					"totalQueryExecutionTimeMS" : 226.15,
					"queryPreparationTimes" : {
						"queryCompilationTimeMS" : 0.16,
						"logicalPlanBuildTimeMS" : 0.1,
						"physicalPlanBuildTimeMS" : 0.26,
						"queryOptimizationTimeMS" : 0.02
					},
					"indexLookupTimeMS" : 0.12000000000000001,
					"documentLoadTimeMS" : 153.63,
					"vmExecutionTimeMS" : 225.36,
					"runtimeExecutionTimes" : {
						"queryEngineExecutionTimeMS" : 71.61,
						"systemFunctionExecutionTimeMS" : 33.46,
						"userDefinedFunctionExecutionTimeMS" : 0
					},
					"documentWriteTimeMS" : 0
				}
			}
		}
	],
	"estimatedDelayFromRateLimitingInMilliseconds" : 0,
	"continuation" : {
		"hasMore" : false
	},
	"ok" : 1
}

globaldb:PRIMARY> db.users.getIndexes()
[
	{
		"v" : 1,
		"key" : {
			"_id" : 1
		},
		"name" : "_id_",
		"ns" : "telescope.users"
	},
	{
		"v" : 1,
		"key" : {
			"test" : 1
		},
		"name" : "test_1",
		"ns" : "telescope.users"
	},
	{
		"v" : 1,
		"key" : {
			"test" : 1,
			"created" : 1
		},
		"name" : "test_1_created_1",
		"ns" : "telescope.users"
	},
	{
		"v" : 1,
		"key" : {
			"test" : 1,
			"group" : 1
		},
		"name" : "test_1_group_1",
		"ns" : "telescope.users"
	},
	{
		"v" : 1,
		"unique" : true,
		"key" : {
			"id" : 1,
			"test" : 1
		},
		"name" : "id_1_test_1",
		"ns" : "telescope.users"
	}
]