Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/19589#discussion_r147545176
--- Diff: R/pkg/tests/run-all.R ---
@@ -38,6 +38,10 @@ sparkRFilesBefore <- list.files(path = sparkRDir,
all.files = TRUE)
sparkRTestMaster <- "local[1]"
if (identical(Sys.getenv("NOT_CRAN"), "true")) {
sparkRTestMaster <- ""
+} else {
+ # Disable hsperfdata on CRAN
+ old_java_opt <- Sys.getenv("_JAVA_OPTIONS")
+ Sys.setenv("_JAVA_OPTIONS"=paste("-XX:-UsePerfData", old_java_opt, sep="
"))
--- End diff --
also `sep=" "` is the default
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