Apache Cassandra is another technology developed by Facebook and open sourced in 2008. It is known as one of the most performant distributed databases in the world. It is also a NoSQL database, like MongoDB, but very different in every aspect. The data is stored in columns and rows rather than JSON documents. Columns can be dynamically added, removed, or renamed, and by default, we can have up to 2 billion columns per row (also referred to as wide column store database). Another big difference with MongoDB is that Cassandra has no single point of failure. It means that it is masterless by architecture. The data can be distributed across many machines, and if one machine goes down, it will not affect the availability ...
Adding Cassandra to our stack
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