> For the complete documentation index, see [llms.txt](https://2327257266.gitbook.io/learn-spa/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://2327257266.gitbook.io/learn-spa/spark-rdds.md).

# Spark RDDS

RDD(Resilient Distributed Datasets)全称为弹性分布式数据集，是一种分布的内存抽象。RDD是Spark的核心概念，它表示一个只读的记录分区集合，即一旦被创建就无法修改，只能通过RDD的转化操作产生一个新的RDD。

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[RDDs 的特点](/learn-spa/spark-rdds/rdds-de-te-dian.md)
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[RDDs 的操作](/learn-spa/spark-rdds/rdds-de-cao-zuo.md)
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[RDDs 的函数](/learn-spa/spark-rdds/transformations-xiang-jie.md)
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