July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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Observing the running and completed Spark jobs
To access and observe the running and the completed Spark jobs, open http://spark_driver_host:4040 in a web browser. Note that you will have to replace spark_driver_host with an IP address or hostname accordingly.
Note that if multiple SparkContexts are running on the same host, they will bind to successive ports beginning with 4040, 4041, 4042, and so on. By default, this information will be available for the duration of your Spark application only. This means that when your Spark job finishes its execution, the binding will no longer be valid or accessible.
Now, to access the active jobs that are still executing, click on the Active Jobs link and you will see the related information of those ...
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