liziyan-lzy commented on code in PR #12254:
URL: https://github.com/apache/iceberg/pull/12254#discussion_r2034234788


##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/DeleteOrphanFilesSparkAction.java:
##########
@@ -335,7 +344,39 @@ private Dataset<String> listedFileDS() {
     return spark().createDataset(completeMatchingFileRDD.rdd(), 
Encoders.STRING());
   }
 
-  private static void listDirRecursively(
+  private static void listDirRecursivelyWithFileIO(
+      SupportsPrefixOperations io,
+      String dir,
+      Predicate<org.apache.iceberg.io.FileInfo> predicate,
+      PathFilter pathFilter,
+      List<String> matchingFiles) {
+    String listPath = dir;
+    if (!dir.endsWith("/")) {
+      listPath = dir + "/";
+    }
+    Iterable<org.apache.iceberg.io.FileInfo> files = io.listPrefix(listPath);

Review Comment:
   Just to confirm the behavior:
   New listing for empty filters
   Original listing when filters exist
   Does this align with what you're expecting? I agree with this approach - it 
should address this performance regression issue. Thanks.



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