Using RStudio Server with Microsoft R Server for Cloudera


When you load the RevoScaleR package in Microsoft R Server, you must set certain environment variables to work with your Cloudera cluster. You can set these environment variables at start up by including them in the rsessions-profile of RStudio Server.

These instructions assume that the MRS and MRO directories were installed in the Cloudera cluster using the parcels provided by Microsoft, and that RStudio Server is installed in one of the cluster's nodes.  

The Revo64 command contains a list of environment variables for RevoScaleR to work. Set these same environment variables in your rsessions-profile by following the steps below.


1. Start Microsoft R Server on the command line if you haven't before.

sudo /mrs/bin/Revo64

2. Copy a to the rsession-profile

sudo cp $HOME/ /etc/rstudio/rsession-profile

3. Insert the following lines at the top of the /etc/rstudio/rsession-profile file:

export SCRIPT_DIR=/opt/cloudera/parcels/MRS/bin/
export MRS_PARCEL_PATH=/opt/cloudera/parcels/MRS
export MRO_PARCEL_PATH=/opt/cloudera/parcels/MRO
export MRS_PARCEL_MKL=/opt/cloudera/parcels/MRS/lib64/R/lib
export R_LIBS=/opt/cloudera/parcels/MRS/lib64/R/library
export REVOLIBS=/opt/cloudera/parcels/MRO/lib64/R/library/RevoRsrConnector/rxLibs

4. Create or update the /etc/rstudio/r-versions file with the following lines:


5. Restart the RStudio server

sudo service rstudio-server restart


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