diff --git a/patches/server/0021-Tuinity-Change-writes-to-use-NORMAL-priority-rather-.patch b/patches/server/0021-Tuinity-Change-writes-to-use-NORMAL-priority-rather-.patch
new file mode 100644
index 000000000..cc09eb4df
--- /dev/null
+++ b/patches/server/0021-Tuinity-Change-writes-to-use-NORMAL-priority-rather-.patch
@@ -0,0 +1,53 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E3=84=97=E3=84=A0=CB=8B=20=E3=84=91=E3=84=A7=CB=8A?=
+ <tsao-chi@the-lingo.org>
+Date: Sat, 18 Apr 2020 18:08:17 +0800
+Subject: [PATCH] Tuinity Change writes to use NORMAL priority rather than LOW
+
+Should limit build up of I/O tasks, or at least properly
+indicate to server owners that I/O is falling behind
+
+diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
+index f8ad08cccf25ef26759231c3d26b71d33d010eb8..7b7e1b2b45dcfe55c4052dacdcc2ca629ca4521b 100644
+--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
++++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
+@@ -599,7 +599,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
+         }
+ 
+         com.destroystokyo.paper.io.PaperFileIOThread.Holder.INSTANCE.scheduleSave(this.world, chunkPos.x, chunkPos.z,
+-            poiData, null, com.destroystokyo.paper.io.PrioritizedTaskQueue.LOW_PRIORITY);
++            poiData, null, com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY); // Tuinity - use normal priority
+ 
+         if (!chunk.isNeedsSaving()) {
+             return;
+@@ -633,7 +633,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
+             asyncSaveData = ChunkRegionLoader.getAsyncSaveData(this.world, chunk);
+         }
+ 
+-        this.world.asyncChunkTaskManager.scheduleChunkSave(chunkPos.x, chunkPos.z, com.destroystokyo.paper.io.PrioritizedTaskQueue.LOW_PRIORITY,
++        this.world.asyncChunkTaskManager.scheduleChunkSave(chunkPos.x, chunkPos.z, com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY, // Tuinity - use normal priority
+             asyncSaveData, chunk);
+ 
+         chunk.setLastSaved(this.world.getTime());
+@@ -1045,7 +1045,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
+     // Paper start - async chunk io
+     private boolean writeDataAsync(ChunkCoordIntPair chunkPos, NBTTagCompound poiData, NBTTagCompound chunkData, boolean async) {
+         com.destroystokyo.paper.io.PaperFileIOThread.Holder.INSTANCE.scheduleSave(this.world, chunkPos.x, chunkPos.z,
+-            poiData, chunkData, !async ? com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY : com.destroystokyo.paper.io.PrioritizedTaskQueue.LOW_PRIORITY);
++            poiData, chunkData, !async ? com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY : com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY); // Tuinity - use normal priority
+ 
+         if (async) {
+             return true;
+diff --git a/src/main/java/net/minecraft/server/VillagePlace.java b/src/main/java/net/minecraft/server/VillagePlace.java
+index b59ef1a63338aa150d39e8014e12b2275da26d50..f0702969c366be067af61be777e64509d923d081 100644
+--- a/src/main/java/net/minecraft/server/VillagePlace.java
++++ b/src/main/java/net/minecraft/server/VillagePlace.java
+@@ -150,7 +150,7 @@ public class VillagePlace extends RegionFileSection<VillagePlaceSection> {
+                     data = this.getData(chunkcoordintpair);
+                 }
+                 com.destroystokyo.paper.io.PaperFileIOThread.Holder.INSTANCE.scheduleSave(this.world,
+-                    chunkcoordintpair.x, chunkcoordintpair.z, data, null, com.destroystokyo.paper.io.PrioritizedTaskQueue.LOW_PRIORITY);
++                    chunkcoordintpair.x, chunkcoordintpair.z, data, null, com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY); // Tuinity - use normal priority
+             }
+         }
+         // Paper end