Profiler Agg Framework Example1

aggframework1.js

> db.system.profile.aggregate(
	{ $group : 
		{ _id :"$op",
		count:{$sum:1},
		"max response time":{$max:"$millis"},
		"avg response time":{$avg:"$millis"}
		}	
	});

{
  "result" : [
		{ "_id" : "command", "count" : 1, "max response time" : 0, "avg response time" : 0 },
		{ "_id" : "query", "count" : 12, "max response time" : 571, "avg response time" : 5 },
		{ "_id" : "update", "count" : 842, "max response time" : 111, "avg response time" : 40 },
		{ "_id" : "insert", "count" : 1633, "max response time" : 2, "avg response time" : 1 }
	],
	"ok" : 1
}