amogh-jahagirdar commented on code in PR #15006:
URL: https://github.com/apache/iceberg/pull/15006#discussion_r2677917489


##########
core/src/main/java/org/apache/iceberg/MergingSnapshotProducer.java:
##########
@@ -269,7 +277,6 @@ private void addInternal(DeleteFile file) {
     DeleteFileSet deleteFiles =
         newDeleteFilesBySpec.computeIfAbsent(spec.specId(), ignored -> 
DeleteFileSet.create());
     if (deleteFiles.add(file)) {
-      addedFilesSummary.addedFile(spec, file);
       hasNewDeleteFiles = true;
       if (ContentFileUtil.isDV(file)) {
         newDVRefs.add(file.referencedDataFile());

Review Comment:
   Probably keep a boolean in-case we detect a duplicate. That way we don't 
have to pay the price of grouping by referenced file everytime to detect 
possible duplicates; only if we detect it at the time of adding it, we can do 
the dedupe/merge



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