Spark: Core RDD

Others 2019-07-01 11:01:28 views: null

RDD: Resilient Distributed Dataset elastic distributed data.

RDD five characteristics:

RDD is composed of a series of partition
Operators (function) acting on the partition of the RDD
There are dependencies between RDD
Acting on the partition is formatted kv RDD

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Origin www.cnblogs.com/wbyixx/p/11111893.html

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