Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/6889#discussion_r32842867
--- Diff: R/pkg/R/sparkR.R ---
@@ -278,3 +278,32 @@ sparkRHive.init <- function(jsc = NULL) {
assign(".sparkRHivesc", hiveCtx, envir = .sparkREnv)
hiveCtx
}
+
+#' Assigns a group ID to all the jobs started by this thread until the
group ID is set to a
+#' different value or cleared.
+#'
+#' @param sc existing spark context
+#' @param groupid the ID to be assigned to job groups
+#' @param description description for the the job group ID
+#' @param interruptOnCancel flag to indicate if the job is interrupted on
job cancellation
--- End diff --
Yeah @davies point is a good one. We can add an example usage here with
something like
```
#' @examples
#'\dontrun{
#' sc <- sparkR.init()
# setJobGroup(sc, "group", "some group", TRUE)
#'}
```
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