Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 11:30:06 +01:00
c6ea84c7fa
spigot no longer even fires the event for this case, so, this may actually be a regression, not too sure here, but, as-is this patch is dead
65 Zeilen
4.3 KiB
Diff
65 Zeilen
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sun, 8 Aug 2021 16:26:46 -0700
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Subject: [PATCH] Do not submit profile lookups to worldgen threads
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They block. On network I/O.
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If enough tasks are submitted the server will eventually stall
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out due to a sync load, as the worldgen threads will be
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stalling on profile lookups.
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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 c072819c1ebc772f524649c6c2f8b48d919bf805..bbe69b5b2b1b7ccd3358325c9a65e7e197dfa7f2 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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@@ -71,6 +71,22 @@ public class Util {
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private static final AtomicInteger WORKER_COUNT = new AtomicInteger(1);
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private static final ExecutorService BOOTSTRAP_EXECUTOR = makeExecutor("Bootstrap", -2); // Paper - add -2 priority
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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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+
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+ private final AtomicInteger count = new AtomicInteger();
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+
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+ @Override
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+ public Thread newThread(Runnable run) {
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+ Thread ret = new Thread(run);
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+ ret.setName("Profile Lookup Executor #" + this.count.getAndIncrement());
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+ ret.setUncaughtExceptionHandler((Thread thread, Throwable throwable) -> {
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+ LOGGER.error("Uncaught exception in thread " + thread.getName(), throwable);
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+ });
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+ return ret;
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+ }
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+ });
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+ // Paper end - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
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private static final ExecutorService IO_POOL = makeIoExecutor();
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public static LongSupplier timeSource = System::nanoTime;
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public static final Ticker TICKER = new Ticker() {
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diff --git a/src/main/java/net/minecraft/server/players/GameProfileCache.java b/src/main/java/net/minecraft/server/players/GameProfileCache.java
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index 6349b33939909435120fdef5e506480108cfbfc1..ea739fae40e819fd82bc275c0af5c8269e12d656 100644
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--- a/src/main/java/net/minecraft/server/players/GameProfileCache.java
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+++ b/src/main/java/net/minecraft/server/players/GameProfileCache.java
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@@ -200,7 +200,7 @@ public class GameProfileCache {
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} else {
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this.requests.put(username, CompletableFuture.supplyAsync(() -> {
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return this.get(username);
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- }, Util.backgroundExecutor()).whenCompleteAsync((optional, throwable) -> {
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+ }, Util.PROFILE_EXECUTOR).whenCompleteAsync((optional, throwable) -> { // Paper - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
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this.requests.remove(username);
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}, this.executor).whenCompleteAsync((optional, throwable) -> {
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consumer.accept(optional);
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
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index e3efea8623c7d34915069a6b9b7da9f2b1694c28..118472b83a21a250f398c088c91ac4560c19c749 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
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@@ -148,7 +148,7 @@ public class SkullBlockEntity extends BlockEntity {
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public static void updateGameprofile(@Nullable GameProfile owner, Consumer<GameProfile> callback) {
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if (owner != null && !StringUtil.isNullOrEmpty(owner.getName()) && (!owner.isComplete() || !owner.getProperties().containsKey("textures")) && profileCache != null && sessionService != null) {
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profileCache.getAsync(owner.getName(), (profile) -> {
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- Util.backgroundExecutor().execute(() -> {
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+ Util.PROFILE_EXECUTOR.execute(() -> { // Paper - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
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Util.ifElse(profile, (profilex) -> {
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Property property = Iterables.getFirst(profilex.getProperties().get("textures"), (Property)null);
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if (property == null) {
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