Apache Spark
Apache Spark is an open-source, distributed processing system used for big data workloads. It utilizes in-memory caching, and optimized query execution for fast analytic queries against data of any size.
You can use simply run spark locally or you can take advantage of AWS, Microsoft Azure or Google Compute engine free plans. Originally Answered: how do I practice spark program for free ? it is open source. you can download and start working on it.
6 Best Features of Apache Spark
- Lighting-fast processing speed. Big Data processing is all about processing large volumes of complex data. …
- Ease of use. …
- It offers support for sophisticated analytics. …
- Real-time stream processing. …
- It is flexible. …
- Active and expanding community.
What is the key concept of Apache Spark?
At the core of Apache Spark is the notion of data abstraction as distributed collection of objects. This data abstraction, called Resilient Distributed Dataset (RDD), allows you to write programs that transform these distributed datasets.