September 2016
Beginner to intermediate
326 pages
6h 47m
English
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Lifecycle of Spark program
The following steps explain the lifecycle of a Spark application with standalone resource manager, and Figure 3.8 shows the scheduling process of a spark program:
- The user submits a spark application using the
spark-submitcommand. - Spark-submit launches the driver program on the same node in (client mode) or on the cluster (cluster mode) and invokes the main method specified by the user.
- The driver program contacts the cluster manager to ask for resources to launch executor JVMs based on the configuration parameters supplied.
- The cluster manager launches executor JVMs on worker nodes.
- The driver process scans through the user application. Based on the RDD actions and transformations in the program, Spark creates an operator ...
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