aokolnychyi commented on code in PR #6371:
URL: https://github.com/apache/iceberg/pull/6371#discussion_r1042622671
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spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/SparkSQLProperties.java:
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@@ -42,4 +42,9 @@ private SparkSQLProperties() {}
// Controls whether to check the order of fields during writes
public static final String CHECK_ORDERING =
"spark.sql.iceberg.check-ordering";
public static final boolean CHECK_ORDERING_DEFAULT = true;
+
+ // Controls whether to preserve the existing grouping of data while planning
splits
+ public static final String PRESERVE_DATA_GROUPING =
Review Comment:
I am afraid this one will be pretty public. Users will have to explicitly
enable this as we don't know if Spark can benefit from the reported
distribution and skip shuffles.
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