EECS E6893 Big Data Analytics Spark Dataframe, Spark SQL ...
[Pages:29]EECS E6893 Big Data Analytics Spark Dataframe, Spark SQL, Hadoop metrics
Gudmundur Jonasson gmj2122@columbia.edu
9/29/2023
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Agenda
Spark Dataframe Spark SQL Hadoop metrics
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Spark Dataframe
An abstraction, an immutable distributed collection of data like RDD Data is organized into named columns, like a table in DB Create from RDD, Hive table, or other data sources Easy conversion with Pandas Dataframe
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Spark Dataframe: read from csv file
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Spark Dataframe: common operations
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Spark Dataframe: common operations
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Spark Dataframe: common operations
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Spark Dataframe: common operations
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