Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/19589#discussion_r147545247
--- Diff: R/pkg/vignettes/sparkr-vignettes.Rmd ---
@@ -36,6 +36,12 @@ opts_hooks$set(eval = function(options) {
}
options
})
+r_tmp_dir <- tempdir()
+tmp_arg <- paste("-Djava.io.tmpdir=", r_tmp_dir, sep = "")
+sparkSessionConfig <- list(spark.driver.extraJavaOptions = tmp_arg,
+ spark.executor.extraJavaOptions = tmp_arg)
+old_java_opt <- Sys.getenv("_JAVA_OPTIONS")
+new_java_opt <- Sys.setenv("_JAVA_OPTIONS"=paste("-XX:-UsePerfData",
old_java_opt, sep = " "))
--- End diff --
don't need `new_java_opt`?
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