64ed429884
This is a pretty tiny update with very little changed. Recommended to update from 1.16.2 ASAP as 1.16.2 is now no longer supported. Plugins should mostly remain working as the NMS revision did not change.
92 Zeilen
4.2 KiB
Diff
92 Zeilen
4.2 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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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 f9608bf0eb4e3dfc573fe626e7da9fccf69dc783..e08f913403c3cf3e6efec6c6409f046600c9eb7f 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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@@ -175,6 +175,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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S s0 = function.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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diff --git a/src/main/java/net/minecraft/server/ServerWorkerThread.java b/src/main/java/net/minecraft/server/ServerWorkerThread.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..703f45da2954272a7b92e2b11087c80a11f0370d
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--- /dev/null
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+++ b/src/main/java/net/minecraft/server/ServerWorkerThread.java
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@@ -0,0 +1,26 @@
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+package net.minecraft.server;
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+
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+import java.util.concurrent.CompletionException;
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+import java.util.concurrent.atomic.AtomicInteger;
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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) {
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+ super(target, "Server-Worker-" + threadId.getAndIncrement());
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+ setPriority(Thread.NORM_PRIORITY-1); // Deprioritize over main
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+ this.setDaemon(true);
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+ this.setUncaughtExceptionHandler((thread, throwable) -> {
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+ thread.setDaemon(true);
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+ if (throwable instanceof CompletionException) {
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+ throwable = throwable.getCause();
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+ }
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+
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+ if (throwable instanceof ReportedException) {
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+ DispenserRegistry.a(((ReportedException) throwable).a().e());
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+ System.exit(-1);
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+ }
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+
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+ MinecraftServer.LOGGER.error(String.format("Caught exception in thread %s", thread), throwable);
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+ });
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/SystemUtils.java b/src/main/java/net/minecraft/server/SystemUtils.java
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index cc14e4b4609fa7013df666181c0e02a53970c123..391eca025b69ea96f16403459c7908378cf48eff 100644
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--- a/src/main/java/net/minecraft/server/SystemUtils.java
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+++ b/src/main/java/net/minecraft/server/SystemUtils.java
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@@ -80,14 +80,17 @@ public class SystemUtils {
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}
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private static ExecutorService a(String s) {
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- int i = MathHelper.clamp(Runtime.getRuntime().availableProcessors() - 1, 1, 7);
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- Object object;
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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 object;
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if (i <= 0) {
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object = MoreExecutors.newDirectExecutorService();
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} else {
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- object = new ForkJoinPool(i, (forkjoinpool) -> {
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- ForkJoinWorkerThread forkjoinworkerthread = new ForkJoinWorkerThread(forkjoinpool) {
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+ object = new java.util.concurrent.ThreadPoolExecutor(i, i,0L, TimeUnit.MILLISECONDS, new java.util.concurrent.LinkedBlockingQueue<Runnable>(), ServerWorkerThread::new);
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+ }
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+ /*
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protected void onTermination(Throwable throwable) {
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if (throwable != null) {
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SystemUtils.LOGGER.warn("{} died", this.getName(), throwable);
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@@ -103,6 +106,7 @@ public class SystemUtils {
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return forkjoinworkerthread;
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}, SystemUtils::a, true);
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}
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+ }*/ // Paper end
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return (ExecutorService) object;
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}
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