diff options
Diffstat (limited to 'R')
| -rw-r--r-- | R/README.md | 10 | ||||
| -rwxr-xr-x | R/install-dev.sh | 11 |
2 files changed, 19 insertions, 2 deletions
diff --git a/R/README.md b/R/README.md index 005f56da16..bb3464ba99 100644 --- a/R/README.md +++ b/R/README.md @@ -1,6 +1,16 @@ # R on Spark SparkR is an R package that provides a light-weight frontend to use Spark from R. +### Installing sparkR + +Libraries of sparkR need to be created in `$SPARK_HOME/R/lib`. This can be done by running the script `$SPARK_HOME/R/install-dev.sh`. +By default the above script uses the system wide installation of R. However, this can be changed to any user installed location of R by setting the environment variable `R_HOME` the full path of the base directory where R is installed, before running install-dev.sh script. +Example: +``` +# where /home/username/R is where R is installed and /home/username/R/bin contains the files R and RScript +export R_HOME=/home/username/R +./install-dev.sh +``` ### SparkR development diff --git a/R/install-dev.sh b/R/install-dev.sh index 4972bb9217..befd413c4c 100755 --- a/R/install-dev.sh +++ b/R/install-dev.sh @@ -35,12 +35,19 @@ LIB_DIR="$FWDIR/lib" mkdir -p $LIB_DIR pushd $FWDIR > /dev/null +if [ ! -z "$R_HOME" ] + then + R_SCRIPT_PATH="$R_HOME/bin" + else + R_SCRIPT_PATH="$(dirname $(which R))" +fi +echo "USING R_HOME = $R_HOME" # Generate Rd files if devtools is installed -Rscript -e ' if("devtools" %in% rownames(installed.packages())) { library(devtools); devtools::document(pkg="./pkg", roclets=c("rd")) }' +"$R_SCRIPT_PATH/"Rscript -e ' if("devtools" %in% rownames(installed.packages())) { library(devtools); devtools::document(pkg="./pkg", roclets=c("rd")) }' # Install SparkR to $LIB_DIR -R CMD INSTALL --library=$LIB_DIR $FWDIR/pkg/ +"$R_SCRIPT_PATH/"R CMD INSTALL --library=$LIB_DIR $FWDIR/pkg/ # Zip the SparkR package so that it can be distributed to worker nodes on YARN cd $LIB_DIR |