Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 11:00:06 +01:00
78 Zeilen
4.7 KiB
Diff
78 Zeilen
4.7 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 396f368a7e21a7c7b1630b4e20cdbc452c4b0f84..54562fa04d14a937451ea7aa9d80194f2c31b471 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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@@ -92,6 +92,22 @@ public class Util {
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private static final ExecutorService BACKGROUND_EXECUTOR = makeExecutor("Main");
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private static final ExecutorService IO_POOL = makeIoExecutor("IO-Worker-", false);
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private static final ExecutorService DOWNLOAD_POOL = makeIoExecutor("Download-", true);
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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 DateTimeFormatter FILENAME_DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss", Locale.ROOT);
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public static final int LINEAR_LOOKUP_THRESHOLD = 8;
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private static final Set<String> ALLOWED_UNTRUSTED_LINK_PROTOCOLS = Set.of("http", "https");
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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 aeb0c7ce9b6f93dadd407dbdefba053568f2e2fe..416b26c2ab62b29d640169166980e398d5824b14 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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@@ -169,7 +169,7 @@ public class GameProfileCache {
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} else {
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CompletableFuture<Optional<GameProfile>> completablefuture1 = 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 - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
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this.requests.remove(username);
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}, this.executor);
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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 f720c5ef71edd65de76bcac9632173184576ea9e..c278caa030ceccec8e2721068848a34be513de88 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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@@ -105,7 +105,7 @@ public class SkullBlockEntity extends BlockEntity {
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ProfileResult profileResult = apiServices.sessionService().fetchProfile(uuid, true);
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return Optional.ofNullable(profileResult).map(ProfileResult::profile);
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}
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- }, Util.backgroundExecutor());
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+ }, Util.PROFILE_EXECUTOR); // Paper - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
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}
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public static void clear() {
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diff --git a/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java b/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java
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index 94cae8f3c13d0afcbe97478fba34ff4f12f8c7ee..c49db689827b20ad211f06b9bad7062c8ef82c68 100644
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--- a/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java
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+++ b/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java
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@@ -136,7 +136,7 @@ public final class CraftPlayerProfile implements PlayerProfile {
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@Override
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public CompletableFuture<PlayerProfile> update() {
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- return CompletableFuture.supplyAsync(this::getUpdatedProfile, Util.backgroundExecutor());
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+ return CompletableFuture.supplyAsync(this::getUpdatedProfile, Util.PROFILE_EXECUTOR); // Paper - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
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}
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private CraftPlayerProfile getUpdatedProfile() {
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