The volume of information in the 21st century is growing at a rapid pace. Big data technologies are used to process modern information. This article discusses the use of big data technologies to implement monitoring of social processes. Big data has its characteristics and principles, which reflect here. In addition, we also discussed big data applications in some areas. Particular attention in this article pays to interactions of large data and sociology. For this, there consider digital sociology and computational social sciences. One of the main objects of study in sociology is social processes. The article shows the types of social processes and their monitoring. As an example, there monitor social processes at the university. For realization of monitoring of social processes different technologies are used: products 1010 data (1010 edge, 1010 connect, 1010 reveal, 1010 equities), products of Apache Software Foundation (Apache Hive, Apache Chukwa, Apache Hadoop, Apache Pig!), MapReduce framework, language R, library Pandas, NoSQL, etc.