shangxinli commented on code in PR #14435:
URL: https://github.com/apache/iceberg/pull/14435#discussion_r2530086868
##########
api/src/main/java/org/apache/iceberg/actions/RewriteDataFiles.java:
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@@ -147,6 +147,30 @@ public interface RewriteDataFiles
*/
String OUTPUT_SPEC_ID = "output-spec-id";
+ /**
+ * Use Parquet row-group level merging during rewrite operations when
applicable.
+ *
+ * <p>When enabled, Parquet files will be merged at the row-group level
using zero-copy operations
Review Comment:
Will update
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