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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