From a704cf4fe36a950d5957af844c1cb51ab661f917 Mon Sep 17 00:00:00 2001 From: mezz Date: Wed, 9 Aug 2017 17:51:22 -0500 Subject: [PATCH] Fix MC-117075: TE Unload Lag Spike diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index 5e1ab431dc..cdb430ef4f 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -1274,7 +1274,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc this.methodProfiler.exitEnter("blockEntities"); timings.tileEntityTick.startTiming(); // Spigot if (!this.tileEntityListUnload.isEmpty()) { - this.tileEntityListTick.removeAll(this.tileEntityListUnload); + // Paper start - Use alternate implementation with faster contains + java.util.Set toRemove = java.util.Collections.newSetFromMap(new java.util.IdentityHashMap<>()); + toRemove.addAll(tileEntityListUnload); + this.tileEntityListTick.removeAll(toRemove); + // Paper end //this.tileEntityList.removeAll(this.tileEntityListUnload); // Paper - remove unused list this.tileEntityListUnload.clear(); } -- 2.21.0