[GitHub] [hudi] danny0405 commented on a diff in pull request #7873: [MINOR] Added safety-net check to catch any potential issue to deduce parallelism from the incoming `Dataset` appropriately

["danny0405 (via GitHub)" <gi...@apache.org>]

danny0405 commented on code in PR #7873:
URL: https://github.com/apache/hudi/pull/7873#discussion_r1098169437


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hudi-client/hudi-spark-client/src/main/scala/org/apache/hudi/HoodieDatasetBulkInsertHelper.scala:
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@@ -203,6 +203,17 @@ object HoodieDatasetBulkInsertHelper
       .values
   }
 
+  override protected def deduceShuffleParallelism(input: DataFrame, configuredParallelism: Int): Int = {
+    val deduceParallelism = super.deduceShuffleParallelism(input, configuredParallelism)
+    // NOTE: In case parallelism deduction failed to accurately deduce parallelism level of the
+    //       incoming dataset we fallback to default parallelism level set for this Spark session
+    if (deduceParallelism > 0) {
+      deduceParallelism
+    } else {
+      input.sparkSession.sparkContext.defaultParallelism

Review Comment:
   Curious, only bulk_insert has this issue like deduced parallelism is 0 or nefative?



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