Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/15328#discussion_r81646298
--- Diff: R/pkg/R/sparkR.R ---
@@ -394,6 +394,16 @@ sparkR.session <- function(
sparkConfigMap,
enableHiveSupport)
assign(".sparkRsession", sparkSession, envir = .sparkREnv)
+
+ # Set maximum size of serialized data that can be sent as invokeJava
arguments
+ assign(
+ ".maxArgByteSize",
+ callJMethod(
+ callJMethod(sparkSession, "conf"),
+ "get",
+ "spark.r.maxArgByteSize",
+ toString(.Machine$integer.max * 10)),
+ envir = .sparkREnv)
--- End diff --
you probably want this set on both branches and not just the `else`?
in the above case the config could change when there is an existing
sparkSession
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