Spark 4.0.0 programming guide in Java, Scala and Python| spark.apache.org
Spark Configuration| spark.apache.org
Spark 4.0.0 ScalaDoc - org.apache.spark.rdd.PairRDDFunctions| spark.apache.org
The purpose of a garbage collector is to free the application developer from manual dynamic memory management. The developer is freed of the requirement to match allocations with deallocations and closely take care of the lifetimes of allocated dynamic memory. This completely eliminates some classes of errors related to memory management at the cost of some additional runtime overhead. The Java HotSpot VM provides a selection of garbage collection algorithms to choose from.| Oracle Help Center
declaration: module: java.base, package: java.io, interface: Serializable| docs.oracle.com
Apache Spark™ community| spark.apache.org
Performance Tuning| spark.apache.org