The value is specific to the distribution and version of Hadoop. This tutorial
uses Hortonworks 2.4 V3, which is 2.4.0.0-169. Your entry for this parameter
will be different if you do not use Hortonworks 2.4 V3.
Information noteNote: When
running the code on the cluster, it is crucial to ensure that there is
unfettered access between the two systems. In this example, you have to ensure
that the Hortonworks cluster can communicate with your instance of
Talend Studio. This is necessary because
Spark, even though it is running on the cluster, still needs to reference the
Spark drivers shipped with
Talend. Moreover, if you deploy a
Spark Job into a production environment, it will be run from a
Talend Job server (edge node).
You also need to ensure that there is unfettered communication between it and
the cluster.
For more information on the ports needed by each service, see the
Spark Security documentation.