aokolnychyi commented on code in PR #11131:
URL: https://github.com/apache/iceberg/pull/11131#discussion_r1774236061


##########
core/src/main/java/org/apache/iceberg/ManifestFilterManager.java:
##########
@@ -81,6 +81,7 @@ public String partition() {
 
   // cache filtered manifests to avoid extra work when commits fail.
   private final Map<ManifestFile, ManifestFile> filteredManifests = 
Maps.newConcurrentMap();
+  private final Set<String> manifestsWithDeletedFiles = 
Sets.newConcurrentHashSet();

Review Comment:
   I took another look at `canContainDeletedFiles`.
   
   ```
   private boolean canContainDeletedFiles(ManifestFile manifest) {
     if (manifestsWithDeletedFiles.contains(manifest.path())) {
       return true;
     }
   
     ...
   }
   ```
   
   I think the branch only covers cases when we know it is there. If the 
manifest location is not in the set, we proceed further with reading the 
manifest.



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