Change number of threads use by R back end

Question

I have a Spark application running that uses R back end to handle RPC calls. I want to increase the number of threads being used by it. How can I do it?

Answer 1

Refer to the below commands to know how to change the number of threads:

val sc = new SparkContext(new SparkConf())

./bin/spark-submit <all your existing options> --spark.r.numRBackendThreads= <number of threads>