From 5b011605906059b3d7fbd31206ba146c866300ea Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Nov 2016 21:52:22 -0400
Subject: [PATCH] Auto Save Cap


diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 7e53fee..0f529e6 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -253,6 +253,13 @@ public class ChunkProviderServer implements IChunkProvider {
         int i = 0;
 
         // CraftBukkit start
+        // Paper start
+        final ChunkRegionLoader chunkLoader = (ChunkRegionLoader) world.getChunkProviderServer().chunkLoader;
+        final int autoSaveLimit = world.paperConfig.maxAutoSaveChunksPerTick - chunkLoader.getQueueSize();
+        if (autoSaveLimit < 1) {
+            return false;
+        }
+        // Paper end
         Iterator iterator = this.chunks.values().iterator();
         while (iterator.hasNext()) {
             Chunk chunk = (Chunk) iterator.next();
@@ -266,7 +273,7 @@ public class ChunkProviderServer implements IChunkProvider {
                 this.saveChunk(chunk);
                 chunk.f(false);
                 ++i;
-                if (!flag && i >= world.paperConfig.maxAutoSaveChunksPerTick) { // Spigot - // Paper - Incremental Auto Save - cap max per tick
+                if (!flag && i >= autoSaveLimit) { // Spigot - // Paper - Incremental Auto Save - cap max per tick
                     return false;
                 }
             }
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index b672a38..70e71cc 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -33,6 +33,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
     }
 
     // CraftBukkit start
+    public int getQueueSize() { return queue.size(); } // Paper
     public boolean chunkExists(World world, int i, int j) {
         ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
 
-- 
2.10.2