yaooqinn commented on a change in pull request #34794:
URL: https://github.com/apache/spark/pull/34794#discussion_r762676403
##########
File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -2267,4 +2267,13 @@ package object config {
.version("3.3.0")
.intConf
.createWithDefault(5)
+
+ private[spark]val MAX_RDD_NAME_LENGTH =
ConfigBuilder("spark.rdd.nameMaxLength")
+ .internal()
+ .doc("Maximum number of characters for RDD name. For example, some of the
HadoopRDD API will" +
+ "use the path parameter as RDD name which could be extremely long")
+ .version("3.3.0")
+ .intConf
+ .checkValue(_ > 3, "This value must be bigger than 3.")
+ .createWithDefault(256)
Review comment:
yes, I had intended to change the spark auto-generated ones, which might
be too much longer than user's expectation, such as
https://github.com/apache/spark/blob/abecdfe831805fb53fa949558ea7a5ca9042e465/core/src/main/scala/org/apache/spark/SparkContext.scala#L992
https://github.com/apache/spark/blob/abecdfe831805fb53fa949558ea7a5ca9042e465/core/src/main/scala/org/apache/spark/SparkContext.scala#L1044
https://github.com/apache/spark/blob/abecdfe831805fb53fa949558ea7a5ca9042e465/core/src/main/scala/org/apache/spark/SparkContext.scala#L1269
How about that? also cc @srowen
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