Understanding What Cassandra Is:
Cassandra is a
- Open Source
- A NoSQL (Not Only SQL) database Technology
- A distributed database technology
- A big data technology which provides massive scalability
- Commonly used to create a database that is spread across nodes in more than one data center, for high availability
- Based on Amazon Dynamo and Google Big Table
- Fault Tolerant
- Highly Performant
- Decentralized – No Single point of failure
- Durable – Data is not lost even one of the data center goes down
- Elastic – Read/Write throughput increases linearly as new nodes are added to cluster
What Cassandra Is Being Used For:
Use cases of Cassandra are listed in – planetcassandra.org/apache-cassandra-use-cases/
Companies running their applications on Apache Cassandra have realized benefits which have directly improved their business. Cassandra is capable of handling all of the big data challenges that might arise: massive scalability, an always on architecture, high performance, strong security, and ease of management, to name a few
- Product Catalog/Playlist – Coursera, Comcast, Netflix, Hulu, Sky, Soundcloud etc.,
- Recommendation/Personalization - Bazaarvoice, Outbrain, eBay etc.,
- Fraud Detection - Barracuda Networks, F-Secure etc.,
- Messaging - Accenture, CallFire, eBuddy, The New York Times etc.,
- IOT/Sensor Data - NASA, AppDynamics, Lucid, Aeris etc.,
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