I have four questions. Suppose in spark I have 3 worker nodes. Each worker node has 3 executors and each executor has 3 cores. Each executor has 5 gb memory. (T
I am new to Spark, and recently I saw a code is saving data in RDD format to Cassandra table. But I am not able to figure it out how it is doing the column mapp
I am trying to create an RDD but spark not creating it, throwing back error, pasted below; data = records.map(lambda r: LabeledPoint(extract_label(r), extract_
System Configuration: Operating System: Windows 10 Python Version: 3.7 Spark Version: 2.4.4 SPARK_HOME: C:\spark\spark-2.4.4-bin-hadoop2.7 Problem I am using
I am a novice to spark, and I want to transform below source dataframe (load from JSON file): +--+-----+-----+ |A |count|major| +--+-----+-----+ | a| 1| m