Daily Archives: January 27, 2016

Cassandra Architecture

Cassandra is designed in such a way that, there will not be any single point of failure. There is no master- slave architecture in cassandra. cassandra addresses the problem of SPOF by employing a peer-to-peer distributed system across homogeneous nodes where data is distributed among all nodes in the cluster. In cassandra all nodes are same. There will not be any master or slave in cassandra. Each node frequently exchanges state information about itself […]

CAP Theorem

What is CAP Theorem? CAP describes that before choosing any Database (Including distributed database), Basing on your requirement we have to choose only two properties out of three. Consistency  – Whenever you read a record (or data), consistency guaranties that it will give same data how many times you read. Simply we can say that each server returns the right response to each request, thus the system will be always […]