Repository: spark Updated Branches: refs/heads/branch-2.0 4673b88b4 -> ca271c792
[MINOR][SPARKR][DOC] Add a description for running unit tests in Windows ## What changes were proposed in this pull request? This PR adds the description for running unit tests in Windows. ## How was this patch tested? On a bare machine (Window 7, 32bits), this was manually built and tested. Author: hyukjinkwon <gurwls...@gmail.com> Closes #13217 from HyukjinKwon/minor-r-doc. (cherry picked from commit a8e97d17b91684e68290d9f18a43622232aa94e7) Signed-off-by: Shivaram Venkataraman <shiva...@cs.berkeley.edu> Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/ca271c79 Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/ca271c79 Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/ca271c79 Branch: refs/heads/branch-2.0 Commit: ca271c79279fc2e4d4005aaf50426578d824ac92 Parents: 4673b88 Author: hyukjinkwon <gurwls...@gmail.com> Authored: Mon May 23 17:20:29 2016 -0700 Committer: Shivaram Venkataraman <shiva...@cs.berkeley.edu> Committed: Mon May 23 17:20:37 2016 -0700 ---------------------------------------------------------------------- R/README.md | 8 +++++++- R/WINDOWS.md | 20 ++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/spark/blob/ca271c79/R/README.md ---------------------------------------------------------------------- diff --git a/R/README.md b/R/README.md index 810bfc1..044f953 100644 --- a/R/README.md +++ b/R/README.md @@ -1,11 +1,13 @@ # 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 @@ -17,6 +19,7 @@ export R_HOME=/home/username/R #### Build Spark Build Spark with [Maven](http://spark.apache.org/docs/latest/building-spark.html#building-with-buildmvn) and include the `-Psparkr` profile to build the R package. For example to use the default Hadoop versions you can run + ``` build/mvn -DskipTests -Psparkr package ``` @@ -38,6 +41,7 @@ To set other options like driver memory, executor memory etc. you can pass in th #### Using SparkR from RStudio If you wish to use SparkR from RStudio or other R frontends you will need to set some environment variables which point SparkR to your Spark installation. For example + ``` # Set this to where Spark is installed Sys.setenv(SPARK_HOME="/Users/username/spark") @@ -64,13 +68,15 @@ To run one of them, use `./bin/spark-submit <filename> <args>`. For example: ./bin/spark-submit examples/src/main/r/dataframe.R -You can also run the unit-tests for SparkR by running (you need to install the [testthat](http://cran.r-project.org/web/packages/testthat/index.html) package first): +You can also run the unit tests for SparkR by running. You need to install the [testthat](http://cran.r-project.org/web/packages/testthat/index.html) package first: R -e 'install.packages("testthat", repos="http://cran.us.r-project.org";)' ./R/run-tests.sh ### Running on YARN + The `./bin/spark-submit` can also be used to submit jobs to YARN clusters. You will need to set YARN conf dir before doing so. For example on CDH you can run + ``` export YARN_CONF_DIR=/etc/hadoop/conf ./bin/spark-submit --master yarn examples/src/main/r/dataframe.R http://git-wip-us.apache.org/repos/asf/spark/blob/ca271c79/R/WINDOWS.md ---------------------------------------------------------------------- diff --git a/R/WINDOWS.md b/R/WINDOWS.md index 3f889c0..f948ed3 100644 --- a/R/WINDOWS.md +++ b/R/WINDOWS.md @@ -11,3 +11,23 @@ include Rtools and R in `PATH`. directory in Maven in `PATH`. 4. Set `MAVEN_OPTS` as described in [Building Spark](http://spark.apache.org/docs/latest/building-spark.html). 5. Open a command shell (`cmd`) in the Spark directory and run `mvn -DskipTests -Psparkr package` + +## Unit tests + +To run the SparkR unit tests on Windows, the following steps are required âassuming you are in the Spark root directory and do not have Apache Hadoop installed already: + +1. Create a folder to download Hadoop related files for Windows. For example, `cd ..` and `mkdir hadoop`. + +2. Download the relevant Hadoop bin package from [steveloughran/winutils](https://github.com/steveloughran/winutils). While these are not official ASF artifacts, they are built from the ASF release git hashes by a Hadoop PMC member on a dedicated Windows VM. For further reading, consult [Windows Problems on the Hadoop wiki](https://wiki.apache.org/hadoop/WindowsProblems). + +3. Install the files into `hadoop\bin`; make sure that `winutils.exe` and `hadoop.dll` are present. + +4. Set the environment variable `HADOOP_HOME` to the full path to the newly created `hadoop` directory. + +5. Run unit tests for SparkR by running the command below. You need to install the [testthat](http://cran.r-project.org/web/packages/testthat/index.html) package first: + + ``` + R -e "install.packages('testthat', repos='http://cran.us.r-project.org')" + .\bin\spark-submit2.cmd --conf spark.hadoop.fs.defualt.name="file:///" R\pkg\tests\run-all.R + ``` + --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@spark.apache.org For additional commands, e-mail: commits-h...@spark.apache.org
