NoSQL

Cassandra Multi-AZ Data Replication

Posted on August 19, 2015 by CloudThat | Comments(7)

Apache Cassandra is an open source non-relational/NOSQL database. It is massively scalable and is designed to handle large amounts of data across multiple servers (Here, we shall use Amazon EC2 instances), providing high availability. In this blog, we shall replicate data across nodes running in multiple Availability Zones (AZs) to ensure reliability and fault tolerance

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Migration from relational database to NoSQL database

Posted on August 19, 2015 by CloudThat | Comments(0)

Relational database model was proposed in 1970, since then we are using RDBMS for most of the applications. But this model is having a hard time keeping pace with the volume, velocity, and variety of data. To keep pace with growing data storage needs, NoSQL databases were introduced in which the focus has shifted from relationships in data, to have a scalable solution to store large volumes of data.

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