Top "Apache-spark-dataset" questions

Spark Dataset is a strongly typed collection of objects mapped to a relational schema.

Spark: java.lang.UnsupportedOperationException: No Encoder found for java.time.LocalDate

I'm writing a Spark application using version 2.1.1. The following code got the error when calling a method with LocalDate parameter? …

scala apache-spark apache-spark-dataset apache-spark-encoders
Why dataset.count() is faster than rdd.count()?

I created a Spark Dataset[Long]: scala> val ds = spark.range(100000000) ds: org.apache.spark.sql.Dataset[Long] = [id: …

scala performance apache-spark apache-spark-sql apache-spark-dataset