HadoopExam Learning Resources's video: Spark SQL : Catalyst Optimizer Heart of Spark SQL

By http://hadoopexam.com/ Module-2 : Introduction Apache Spark SQL's Catalyst optimizer Scala : http://hadoopexam.com/spark/databricks/SparkScalaCRT020DatabricksAssessment.html PySpark : http://hadoopexam.com/spark/databricks/PySparkCRT020DatabricksAssessment.html Sample Assessment PySpark: http://learn.hadoopexam.com/PySparkCRT020/SampleAssessment/index.html Sample Assement Scala : http://learn.hadoopexam.com/SparkScalaCRT020/SampleAssessment/index.html What is Catalyst optimizer Concepts of Tree and Rules Various Phases of Catalyst optimizer Analysis Logical optimization Physical planning Code Generation Scala Features concepts Predicate Pushdown Constant Folding Physical operator Project Prunning