--- a/net/minecraft/server/level/ChunkMap.java
+++ b/net/minecraft/server/level/ChunkMap.java
@@ -129,7 +_,7 @@
     public final AtomicInteger tickingGenerated = new AtomicInteger();  // Paper - public
     private final String storageName;
     private final PlayerMap playerMap = new PlayerMap();
-    public final Int2ObjectMap<ChunkMap.TrackedEntity> entityMap = new Int2ObjectOpenHashMap<>();
+    public final Int2ObjectMap<ChunkMap.TrackedEntity> entityMap = new it.unimi.dsi.fastutil.ints.Int2ObjectLinkedOpenHashMap<>(); // DivineMC - vmp: use linked map for entity trackers for faster iteration
     private final Long2ByteMap chunkTypeCache = new Long2ByteOpenHashMap();
     // Paper - rewrite chunk system
     public int serverViewDistance;