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Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
93 lines
4.7 KiB
Diff
93 lines
4.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 23 Oct 2018 23:14:38 -0400
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Subject: [PATCH] Improve Server Thread Pool and Thread Priorities
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Use a simple executor since Fork join is a much more complex pool
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type and we are not using its capabilities.
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Set thread priorities so main thread has above normal priority over
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server threads
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Allow usage of a single thread executor by not using ForkJoin so single core CPU's.
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== AT ==
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public net.minecraft.Util onThreadException(Ljava/lang/Thread;Ljava/lang/Throwable;)V
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diff --git a/src/main/java/io/papermc/paper/util/ServerWorkerThread.java b/src/main/java/io/papermc/paper/util/ServerWorkerThread.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..b60f59cf5cc8eb84a6055b7861857dece7f2501b
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/util/ServerWorkerThread.java
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@@ -0,0 +1,14 @@
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+package io.papermc.paper.util;
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+
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+import java.util.concurrent.atomic.AtomicInteger;
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+import net.minecraft.Util;
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+
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+public class ServerWorkerThread extends Thread {
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+ private static final AtomicInteger threadId = new AtomicInteger(1);
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+ public ServerWorkerThread(Runnable target, String poolName, int prioritityModifier) {
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+ super(target, "Worker-" + poolName + "-" + threadId.getAndIncrement());
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+ setPriority(Thread.NORM_PRIORITY+prioritityModifier); // Deprioritize over main
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+ this.setDaemon(true);
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+ this.setUncaughtExceptionHandler(Util::onThreadException);
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/Util.java b/src/main/java/net/minecraft/Util.java
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index 0f05d26248d8c999048a88796df227a6a1e3755f..7354711e194ab58b11b68f447c1fc795fe611a65 100644
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--- a/src/main/java/net/minecraft/Util.java
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+++ b/src/main/java/net/minecraft/Util.java
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@@ -81,7 +81,7 @@ public class Util {
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private static final int DEFAULT_MAX_THREADS = 255;
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private static final String MAX_THREADS_SYSTEM_PROPERTY = "max.bg.threads";
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private static final AtomicInteger WORKER_COUNT = new AtomicInteger(1);
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- private static final ExecutorService BACKGROUND_EXECUTOR = makeExecutor("Main");
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+ private static final ExecutorService BACKGROUND_EXECUTOR = makeExecutor("Main", -1); // Paper - add -1 priority
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// Paper start - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
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public static final ExecutorService PROFILE_EXECUTOR = Executors.newFixedThreadPool(2, new java.util.concurrent.ThreadFactory() {
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@@ -144,14 +144,18 @@ public class Util {
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return FILENAME_DATE_TIME_FORMATTER.format(ZonedDateTime.now());
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}
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- private static ExecutorService makeExecutor(String name) {
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- int i = Mth.clamp(Runtime.getRuntime().availableProcessors() - 1, 1, getMaxThreads());
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+ private static ExecutorService makeExecutor(String s, int priorityModifier) { // Paper - add priority
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+ // Paper start - use simpler thread pool that allows 1 thread
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+ int i = Math.min(8, Math.max(Runtime.getRuntime().availableProcessors() - 2, 1));
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+ i = Integer.getInteger("Paper.WorkerThreadCount", i);
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ExecutorService executorService;
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+
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if (i <= 0) {
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executorService = MoreExecutors.newDirectExecutorService();
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} else {
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- executorService = new ForkJoinPool(i, (forkJoinPool) -> {
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- ForkJoinWorkerThread forkJoinWorkerThread = new ForkJoinWorkerThread(forkJoinPool) {
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+ executorService = new java.util.concurrent.ThreadPoolExecutor(i, i,0L, TimeUnit.MILLISECONDS, new java.util.concurrent.LinkedBlockingQueue<Runnable>(), target -> new io.papermc.paper.util.ServerWorkerThread(target, s, priorityModifier));
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+ }
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+ /*
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@Override
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protected void onTermination(Throwable throwable) {
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if (throwable != null) {
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@@ -167,6 +171,7 @@ public class Util {
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return forkJoinWorkerThread;
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}, Util::onThreadException, true);
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}
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+ }*/ // Paper end
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return executorService;
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}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 9cd0e389deda8d0bc7a551ff9e8b6bcd51184476..ed66f20b38fb6cea0dab020d8ffdde894da86113 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -319,6 +319,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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S s0 = serverFactory.apply(thread); // CraftBukkit - decompile error
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atomicreference.set(s0);
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+ thread.setPriority(Thread.NORM_PRIORITY+2); // Paper - boost priority
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thread.start();
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return s0;
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}
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