Stampede-GithubQuery-MongoDB-E

db.events.aggregate(
	[
		{ $match: { "type": "PushEvent" } },
		{ $project: { "repo.name": 1, "actor.login": 1 } },
		{ $group:
			{ 
				_id: "$repo.name",
				actor: { $first: "$actor.login"},
				count: { $sum: 1 }
			}
	   	},
	   	{ $group:
			{ 
				_id: "$_id",
				count: { $sum: 1 }
	 		}
	   	},
		{ $sort: { count: -1 } }
	],
	{ allowDiskUse: true, cursor: { batchSize: 100000000 } }
);