July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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Cluster mode
Spark on Mesos also supports cluster mode. If the driver is already launched Spark job (on a cluster) and the computation is also finished, client can access the result (of driver) from the Mesos Web UI. If you have started MesosClusterDispatcher in your cluster through the SPARK_HOME/sbin/start-mesos-dispatcher.sh script, you can use the cluster mode.
Again, the condition is that you have to pass the Mesos master URL (for example, mesos://host:5050) while creating the SparkContext in your Spark application. Starting the Mesos in the cluster mode also starts the MesosClusterDispatcher as a daemon running on your host machine.
To gain a more flexible and advanced execution of your Spark jobs, you can also use the Marathon. The ...
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