In simple terms, the goal of typical big data systems is to get some business benefit of information. Commonly, we need to collect the data, save it in a certain location, perform some analysis (up to data mining), and visualize results.
Though every business case is unique and there is still no silver bullet, some frameworks, tools and platforms are widely used as big data system building blocks. You may have heard frequently used words like Hadoop, Hive, Spark, Kafka, Cassandra, HBase and others.
This article covers the main features of Cassandra DB with respect to usage as an element of big data system infrastructure and our experience.