[GitHub] [spark] HyukjinKwon commented on a change in pull request #29818: [SPARK-32953][PYTHON] Add Arrow self_destruct support to toPandas

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

HyukjinKwon commented on a change in pull request #29818:
URL: https://github.com/apache/spark/pull/29818#discussion_r507050339



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1843,6 +1843,16 @@ object SQLConf {
       .version("3.0.0")
       .fallbackConf(ARROW_EXECUTION_ENABLED)
 
+  val ARROW_PYSPARK_SELF_DESTRUCT_ENABLED =
+    buildConf("spark.sql.execution.arrow.pyspark.selfDestruct.enabled")
+      .doc("When true, make use of Apache Arrow's self-destruct option " +
+        "for columnar data transfers in PySpark. " +
+        "This reduces memory usage at the cost of some CPU time. " +
+        "This optimization applies to: pyspark.sql.DataFrame.toPandas")
+      .version("3.0.0")

Review comment:
       Let's change it to 3.1.0.




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