Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/14761#discussion_r75797308
--- Diff: R/pkg/R/utils.R ---
@@ -697,3 +697,20 @@ is_master_local <- function(master) {
is_sparkR_shell <- function() {
grepl(".*shell\\.R$", Sys.getenv("R_PROFILE_USER"), perl = TRUE)
}
+
+instructionForInstall <- function(mode) {
+ if (mode == "remote") {
+ paste0("Connecting to a remote Spark master. ",
+ "Please make sure Spark package is also installed in this
machine.\n",
+ "- If there is one, set the path in sparkHome parameter or ",
+ "environment variable SPARK_HOME.\n",
+ "- If not, you may run install.spark function to do the job. ",
+ "Please make sure the Spark and the Hadoop versions ",
+ "match the versions on the cluster. ",
+ "Currently only Spark 2.0 is supported. ",
--- End diff --
SparkR version should the same as the Spark version. So instead of saying
`only Spark 2.0`, we can say the current `SparkR package is compatible with
Spark x.x.x`.
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