Cassandra continues to be the weapon of choice for developers dealing with performance at scale.  Whether in social networking (Instagram), scientific computing (SPring-8), or retail (eBay), Cassandra continues to deliver.  This talk will look at new features in Cassandra 2.x and the upcoming 3.0, such as lightweight transactions, virtual nodes, a new data model and query language, and more.

Introduction to Cassandra use cases

eBay

• Time series data

• Multi-datacenter deployments

• Distributed counters

• Hadoop support

SPring-8

•  Low latency

•  Scalability

•  Tuneable consistency

Instagram

• Durable, efficient writes
• High availability
• Rapid read protection

New and enhanced features

CQL

• SELECT .. FROM .. WHERE ..
• Collections (sets, maps, lists)
• Indexes
• User-defined types
• Lightweight transactions

Drivers

• CQL protocol
• Object/Cassandra mapping

Administration

• Virtual nodes
• Repair
• Improved compaction with cardinality estimation