Oleg Anastasyev started his career in computer programming in 1995. He developed banking, telecom, public transportation software as well as software for the government of Latvia. Oleg is a principal engineer at Odnoklassniki (ok.ru). His primary responsibilities are development of architectures and solutions for highly loaded as well as big data services, solving performance and availability problems. His latest successful projects include NewSQL ACID compliant distributed fault-tolerant database and private cloud system to help manage the whole fleet of Odnoklassniki machines.