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Apache Cassandra

Apache Cassandra. What is it ? How does it work ? Hadoop Tools Architecture. www.semtech-solutions.co.nz info@semtech-solutions.co.nz. Cassandra – What is it ?. Distributed database management system Designed for big data Scalable Fault tolerant No single point of failure

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Apache Cassandra

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  1. Apache Cassandra • What is it ? • How does it work ? • Hadoop • Tools • Architecture www.semtech-solutions.co.nz info@semtech-solutions.co.nz

  2. Cassandra – What is it ? • Distributed database management system • Designed for big data • Scalable • Fault tolerant • No single point of failure • Has an SQL like query language • NoSQL www.semtech-solutions.co.nz info@semtech-solutions.co.nz

  3. Cassandra – How does it work ? • Organises data into tables • Uses Cassandra Query Language ( CQL )‏ • Does not allow sub queries or joins • Supports Hadoop Map Reduce • Uses asynchronous masterless replication • Gives low latency • Allows indexing • Allows batch analysis via Hadoop www.semtech-solutions.co.nz info@semtech-solutions.co.nz

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