From 66d518cbb0f9e226707ef7d0fbe875e3c7b999a1 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 26 Sep 2016 01:51:30 -0400
Subject: [PATCH] Disable Vanilla Chunk GC

Bukkit has its own system for this.

diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 48d70624c..b17069e41 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -873,6 +873,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
             chunkproviderserver.a(flag);
             timings.worldSaveChunks.stopTiming(); // Paper
             // CraftBukkit - ArrayList -> Collection
+            /* //Paper start - disable vanilla chunk GC
             java.util.Collection<Chunk> list = chunkproviderserver.a();
             Iterator iterator = list.iterator();
 
@@ -882,7 +883,8 @@ public class WorldServer extends World implements IAsyncTaskHandler {
                 if (chunk != null && !this.manager.a(chunk.locX, chunk.locZ)) {
                     chunkproviderserver.unload(chunk);
                 }
-            }
+            }*/
+            // Paper end
             timings.worldSave.stopTiming(); // Paper
         }
     }
-- 
2.20.1