by Mike Sun | May 20, 2020 | Apache Spark, Apache Spark Cafe, Java, Python, R, Scala
RDD, DataFrame, and Dataset are the three most common data structures in Spark, and they make processing very large data easy and convenient. Because of the lazy evaluation algorithm of Spark, these data structures are not executed right way during creations,...
by Mike Sun | May 20, 2020 | Apache Spark, Apache Spark Cafe
Since year end 2014, there has been an increase in the number of Google searches comparing Apache Spark to Hadoop. What brings people who are experts in Big Data, Data Science, and Data Analysis to Apache Spark (Spark)? Spark is a fast and expressive cluster computing...