[GitHub] [spark] gengliangwang commented on a change in pull request #27639: [SPARK-30881][SQL][Doc]Revise the doc of spark.sql.sources.parallelPartitionDiscovery.threshold

[GitBox <gi...@apache.org>]

gengliangwang commented on a change in pull request #27639: [SPARK-30881][SQL][Doc]Revise the doc of spark.sql.sources.parallelPartitionDiscovery.threshold
URL: https://github.com/apache/spark/pull/27639#discussion_r381563401
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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 @@ -878,8 +878,8 @@ object SQLConf {
     buildConf("spark.sql.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 applies to Parquet, ORC, CSV, JSON and " +
-        "LibSVM data sources.")
+        "files with another Spark distributed job. This configuration is effective only when " +
+        "using file-based sources such as Parquet, JSON and ORC.")
 
 Review comment:
   This follows the doc of `spark.sql.files.maxPartitionBytes` and `spark.sql.files.openCostInBytes`

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