RT @memsql: How @pinterest Measures Real-Time User Engagement with @ApacheSpark http://t.co/yLVIi1V3su http://t.co/I6ou04jC76 0 atbildes

	Janis Krums ( (2015-02-18 18:24:21) @twitter	RT @memsql: How @pinterest Measures Real-Time User Engagement with @ApacheSpark http://t.co/yLVIi1V3su http://t.co/I6ou04jC76