shounakmk219 commented on code in PR #10905:
URL: https://github.com/apache/pinot/pull/10905#discussion_r1236968638


##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/startree/v2/builder/MultipleTreesBuilder.java:
##########
@@ -115,13 +117,33 @@ public MultipleTreesBuilder(@Nullable 
List<StarTreeIndexConfig> indexConfigs, bo
     }
   }
 
+  private SeparatedStarTreesMetadata getExistingStarTrees()
+      throws Exception {
+    try {
+      if (_metadataProperties.containsKey(MetadataKey.STAR_TREE_COUNT)) {
+        // Extract existing startrees
+        // clean star-tree related files and configs once all the star-trees 
are separated and extracted
+        SeparatedStarTreesMetadata existingStarTrees = extractStarTrees();
+        StarTreeBuilderUtils.removeStarTrees(_segmentDirectory);

Review Comment:
   Nice catch! made the changes.



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