HyukjinKwon commented on a change in pull request #29471:
URL: https://github.com/apache/spark/pull/29471#discussion_r474381971
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File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -443,6 +443,40 @@ package object config {
.booleanConf
.createWithDefault(false)
+ val PARALLEL_PARTITION_DISCOVERY_THRESHOLD =
+ ConfigBuilder("spark.rdd.sources.parallelPartitionDiscovery.threshold")
+ .doc("The maximum number of paths allowed for listing files at driver
side. If the number " +
+ "of detected paths exceeds this value during partition discovery, it
tries to list the " +
+ "files with another Spark distributed job. This configuration is
effective only when " +
+ "using file-based using HadoopFSUtils")
+ .version("1.5.0")
Review comment:
BTW, where are these configurations used?
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