How to create and use RDD

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1. Error message

• The error shows
  https://vault.centos.org/6.6/os/i386/repodata/repomd.xml: [Errno 14] problem making ssl connection

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3. Summary

Tip: Here is a summary of the article:
For example: the above is what I will talk about today. This article only briefly introduces the use of pandas, and pandas provides a large number of functions and methods that allow us to process data quickly and easily.

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​ 【Easter eggs are coming】

After reading this blog post written by the author, please see:

1. What is RDD? Take you to quickly understand the concept of RDD in Spark!

2. Introduction to Spark RDDs

3. SparkRDD - RDD overview

4. Introduction to Spark's RDD

created in 2022.12.11，updated in 2022.12.xx