another patch

patches/server/Make-targetSize-more-aggressive-in-the-chunk-unload-.patch

@@ -0,0 +1,37 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Brokkonaut <hannos17@gmx.de>
+Date: Tue, 7 Feb 2017 16:55:35 -0600
+Subject: [PATCH] Make targetSize more aggressive in the chunk unload queue
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
++++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
+@@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+         this.playerMap = new PlayerMap();
+         this.entityMap = new Int2ObjectOpenHashMap();
+         this.chunkTypeCache = new Long2ByteOpenHashMap();
+-        this.unloadQueue = Queues.newConcurrentLinkedQueue();
++        this.unloadQueue = new com.destroystokyo.paper.utils.CachedSizeConcurrentLinkedQueue<>(); // Paper - need constant-time size()
+         this.structureManager = structureManager;
+         Path path = session.getDimensionPath(world.dimension());
+ 
+@@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+         // Spigot start
+         org.spigotmc.SlackActivityAccountant activityAccountant = this.level.getServer().slackActivityAccountant;
+         activityAccountant.startActivity(0.5);
+-        int targetSize = (int) (this.toDrop.size() * ChunkMap.UNLOAD_QUEUE_RESIZE_FACTOR);
++        int targetSize = Math.min(this.toDrop.size() - 100,  (int) (this.toDrop.size() * ChunkMap.UNLOAD_QUEUE_RESIZE_FACTOR)); // Paper - Make more aggressive
+         // Spigot end
+         while (longiterator.hasNext()) { // Spigot
+             long j = longiterator.nextLong();
+@@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+         }
+         activityAccountant.endActivity(); // Spigot
+ 
+-        int k = Math.max(0, this.unloadQueue.size() - 2000);
++        int k = Math.max(0, Math.min(100, this.unloadQueue.size() - (int) (this.unloadQueue.size() * UNLOAD_QUEUE_RESIZE_FACTOR))); // Paper - Target this queue as well
+ 
+         Runnable runnable;
+