Spark SQL Overview
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What is Apache Spark used for?
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 queries against data of any size. Simply put, Spark is a fast and general engine for large-scale data processing.Is Apache Spark a database?
Apache Spark can process data from a variety of data repositories, including the Hadoop Distributed File System (HDFS), NoSQL databases and relational data stores, such as Apache Hive. ... The Spark Core engine uses the resilient distributed data set, or RDD, as its basic data type.Is Apache Spark dying?
The hype has died down for Apache Spark, but Spark is still being modded/improved, pull-forked on GitHub D-A-I-L-Y so its demand is still out there, it's just not as hyped up like it used to be in 2016. However, I'm surprised that most have not really jumped on the Flink bandwagon yet.
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