Github user Leemoonsoo commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/264#issuecomment-136438850 > Hmm, should we use SparkConf instead then: > > https://github.com/apache/spark/blob/69c9c177160e32a2fbc9b36ecc52156077fca6fc/yarn/src/main/scala/org/apache/spark/deploy/yarn/ExecutorRunnable.scala > ``` // Keep this for backwards compatibility but users should move to the config sys.env.get("SPARK_YARN_USER_ENV").foreach { userEnvs => YarnSparkHadoopUtil.setEnvFromInputString(env, userEnvs) } ``` > I believe all spark.* in the interpreter settings are passed to SparkConf. How about put the same comment `Keep this for backwards compatibility but users should move to the config` in the document and proceed? How about take care [zeppelin-env.sh](https://github.com/apache/incubator-zeppelin/blob/master/conf/zeppelin-env.sh.template#L40), too?
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