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(ambari) How can users/applications access Hadoop spark

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(ambari) How can users/applications access Hadoop spark

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Dear Community

 

Hadoop Spark has been installed using ambari hortonworks.

Actually, we are able to launch scripts via spark-submit when connecting to the edge node linux using root user then su spark

 

However my question is, how can clients or developers connect to the spark-submit? API? Active directory integration? Should we use kerberos?

 

Any idea please?

Asma