How to change scheduling mode in Spark?

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The scheduling now is happening based in FIFO. I am running a multi-user service and so I want to change the scheduling mode to FAIR mode. How can I do this?
Mar 11 in Apache Spark by John
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You can change the scheduling mode as follows:

val sc = new SparkContext(new SparkConf())
./bin/spark-submit <all your existing options> --spark.scheduler.mode=FAIR
answered Mar 11 by Raj

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