AngersZhuuuu commented on a change in pull request #33828:
URL: https://github.com/apache/spark/pull/33828#discussion_r731986070



##########
File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -2258,4 +2258,14 @@ package object config {
       .version("3.2.0")
       .stringConf
       .createOptional
+
+  val EXEC_STAGING_DIR =
+    ConfigBuilder("spark.exec.stagingDir")
+      .doc("The staging directory of Spark job. Spark uses it to deal with 
files with " +
+        "absolute output path, or writing data into partitioned directory when 
" +
+        "dynamic partition overwrite mode.")
+      .version("3.3.0")
+      .internal()
+      .stringConf
+      .createWithDefault(".spark-staging")

Review comment:
       > does this default value mean `.spark-staging` folder under the table 
path?
   
   Yea, should be like this, maybe option should be better?




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