January 2019
Beginner to intermediate
154 pages
4h 31m
English
Content preview from Apache Spark Quick Start Guide
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top()
The top() action returns the top N elements from the RDD. The following code returns the top 2 elements from an RDD:
#Pythonspark.sparkContext.parallelize(range(10)).top(2)Out[28]: [9, 8]
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.