July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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Pseudocluster mode (aka Spark local)
As you already know, Spark jobs can be run in local mode. This is sometimes called pseudocluster mode of execution. This is also nondistributed and single JVM-based deployment mode where Spark issues all the execution components, for example, driver program, executor, LocalSchedulerBackend, and master, into your single JVM. This is the only mode where the driver itself is used as an executor. The following figure shows the high-level architecture of the local mode for submitting your Spark jobs:
Figure 6: High-level architecture of local mode for Spark jobs (source: https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-local.html ...
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