ulysses-you commented on a change in pull request #28778:
URL: https://github.com/apache/spark/pull/28778#discussion_r437973536
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File path: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
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@@ -180,6 +180,15 @@ class SparkSession private(
*/
@transient lazy val conf: RuntimeConfig = new
RuntimeConfig(sessionState.conf)
+ /**
+ * Same as `spark.default.parallelism`, can be isolated across sessions.
+ *
+ * @since 3.1.0
+ */
+ def defaultParallelism: Int = {
+
sessionState.conf.defaultParallelism.getOrElse(sparkContext.defaultParallelism)
Review comment:
As I said above. If add this config, I will move the exists
`defaultParallelism` which in sql module follow up. e.g.
[FilePartition.maxSplitBytes()](https://github.com/apache/spark/blob/82ff29be7afa2ff6350310ab9bdf6b474398fdc1/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FilePartition.scala#L91)
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