Ryosuke Iwanga gave a presentation about fighting big data at Mobage DBA. He discussed how Mobage grew from 600 million page views per day in 2006-2008 to over 2 billion page views per day with the introduction of social games in 2009-2010. He defined big data as having over 500 database servers, storing over 100TB of data, and handling over 1 million queries per second at peak times. He described
!["Mobage DBA Fight against Big Data" - NHN TE](https://cdn-ak-scissors.b.st-hatena.com/image/square/2f5e4860c613b133fdb3fcb8d564e05d12ae78e2/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fnhnstudy2012-120519024430-phpapp02-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)