Apache Spark is a unified analytics engine for large-scale data processing.
It provides high-level APIs in Java, Scala, Python and R,
and an optimized engine that supports general execution graphs.
It also supports a rich set of higher-level tools including
Spark SQL for SQL and structured data processing,
pandas API on Spark for pandas workloads,
MLlib for machine learning,
GraphX for graph processing,
and
Structured Streaming
for incremental computation and stream processing.