Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/16290#discussion_r92531777 --- Diff: R/pkg/R/sparkR.R --- @@ -363,6 +363,13 @@ sparkR.session <- function( ...) { sparkConfigMap <- convertNamedListToEnv(sparkConfig) + + # NOTE(shivaram): Set default warehouse dir to tmpdir to meet CRAN requirements + # See SPARK-18817 for more details + if (!exists("spark.sql.default.warehouse.dir", envir = sparkConfigMap)) { + assign("spark.sql.default.warehouse.dir", tempdir(), envir = sparkConfigMap) --- End diff -- I think we should move this after L383 "overrideEnvs(sparkConfigMap, paramMap)" in case it is passed in named param
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