ueshin commented on a change in pull request #23447: [SPARK-26462][CORE] Use
ConfigEntry for hardcoded configs for execution categories
URL: https://github.com/apache/spark/pull/23447#discussion_r246302189
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File path: core/src/main/scala/org/apache/spark/api/r/RRunner.scala
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@@ -124,7 +125,8 @@ private[spark] class RRunner[U](
partitionIndex: Int): Unit = {
val env = SparkEnv.get
val taskContext = TaskContext.get()
- val bufferSize = System.getProperty("spark.buffer.size", "65536").toInt
+ val bufferSize = System.getProperty(BUFFER_SIZE.key,
+ BUFFER_SIZE.defaultValue.get.toString).toInt
Review comment:
`BUFFER_SIZE.defaultValueString` should work?
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