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 3 of his 4-part series.
Topics in today's video:
[00:45] - Recap and overview of the first two videos
[03:40] - Join Types (SortMerge and Broadcast)
[09:30] - Cost-based Optimizer
[21:35] - Outliers and Data Skew
Spark 2.2 rc4 on Azure HDInsight: Script action https://github.com/hdinsight/script-action/tree/master/install-spark2-2