"Spark" Overview

Source: Internet
Author: User

Big Data processing Model:

The 1.Google MapReduce is a simple general-purpose and automatic fault-tolerant batch-processing calculation model. However, it is not suitable for interactive and streaming calculations !





Spark: The University of Berkeley presents an extension of the RDD concept (a new abstract elastic data set), MapReduce.

RDD essence: Effective data sharing at all stages of parallel computing.

Spark is compatible with Hadoop, written in the Scala language, and supports both Java and Python interfaces. can achieve graph calculation, interactive query, flow calculation, batch processing.

"Spark" Overview

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