Hossein,

Any strong reason to download and install SparkR source package separately from 
the Spark distribution?
An R user can simply download the spark distribution, which contains SparkR 
source and binary package, and directly use sparkR. No need to install SparkR 
package at all.

From: Hossein [mailto:fal...@gmail.com]
Sent: Tuesday, September 22, 2015 9:19 AM
To: dev@spark.apache.org
Subject: SparkR package path

Hi dev list,

SparkR backend assumes SparkR source files are located under 
"SPARK_HOME/R/lib/." This directory is created by running R/install-dev.sh. 
This setting makes sense for Spark developers, but if an R user downloads and 
installs SparkR source package, the source files are going to be in placed 
different locations.

In the R runtime it is easy to find location of package files using 
path.package("SparkR"). But we need to make some changes to R backend and/or 
spark-submit so that, JVM process learns the location of worker.R and daemon.R 
and shell.R from the R runtime.

Do you think this change is feasible?

Thanks,
--Hossein

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