This post has been republished via RSS; it originally appeared at: Channel 9.
This week's Data Exposed show welcomes back Maxim Lukiyanov to talk more about Spark performance tuning with Spark 2.x. Maxim is a Senior PM on the big data HDInsight team and is in the studio today to present Part 2 of his 4-part series.
Topics in today's video:
[01:40] - DataSets vs. DataFrames vs. RDDs
[10:45] - Garbage Collection Overhead and Executor Size
[18:20] - Data Formats
[22:35] - Data Partitioning
[26:25] - Caching