The document describes the architecture of AmebaPigg, a social networking application. It shows that AmebaPigg uses a hadoop cluster for file storage, MySQL for user data storage, and memcached for caching. It also uses various socket servers to handle chat, games, and other functions, with a web app server presenting the interface, all built using Flash (ActionScript 3).Read less
![Ameba Piggの裏側](https://cdn-ak-scissors.b.st-hatena.com/image/square/d9fc80584b10ef8c554eea00c8b18933b8fdf0c8/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fmixi-110515192650-phpapp02-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)