PaperMC/Spigot-Server-Patches/Use-more-reasonable-thread-count-default-for-bootstr.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 23 Oct 2018 23:14:38 -0400
Subject: [PATCH] Use more reasonable thread count default for bootstrap


diff --git a/src/main/java/net/minecraft/server/SystemUtils.java b/src/main/java/net/minecraft/server/SystemUtils.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/SystemUtils.java
+++ b/src/main/java/net/minecraft/server/SystemUtils.java
@@ -0,0 +0,0 @@ public class SystemUtils {
     }
 
     private static ExecutorService k() {
-        int i = MathHelper.clamp(Runtime.getRuntime().availableProcessors() - 1, 1, 7);
+        int i = Math.min(8, Math.max(Runtime.getRuntime().availableProcessors() - 2, 3)); // Paper - use more reasonable default - 2 is hard minimum to avoid using unlimited threads
+        i = Integer.getInteger("Paper.WorkerThreadCount", i); // Paper - allow overriding
         Object object;
 
         if (i <= 0) {