mirror of
https://github.com/PaperMC/Paper.git
synced 2024-11-30 12:11:47 +01:00
77 lines
4.6 KiB
Diff
77 lines
4.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
|
|
Date: Sun, 8 Aug 2021 16:26:46 -0700
|
|
Subject: [PATCH] Do not submit profile lookups to worldgen threads
|
|
|
|
They block. On network I/O.
|
|
|
|
If enough tasks are submitted the server will eventually stall
|
|
out due to a sync load, as the worldgen threads will be
|
|
stalling on profile lookups.
|
|
|
|
diff --git a/src/main/java/net/minecraft/Util.java b/src/main/java/net/minecraft/Util.java
|
|
index 296b433ee309044a902e018f9107b0994f9eada5..5bd8fa10b39a3fb3401a8ebbf1b74b65ea74dfd2 100644
|
|
--- a/src/main/java/net/minecraft/Util.java
|
|
+++ b/src/main/java/net/minecraft/Util.java
|
|
@@ -82,6 +82,22 @@ public class Util {
|
|
private static final String MAX_THREADS_SYSTEM_PROPERTY = "max.bg.threads";
|
|
private static final AtomicInteger WORKER_COUNT = new AtomicInteger(1);
|
|
private static final ExecutorService BACKGROUND_EXECUTOR = makeExecutor("Main");
|
|
+ // Paper start - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
|
|
+ public static final ExecutorService PROFILE_EXECUTOR = Executors.newFixedThreadPool(2, new java.util.concurrent.ThreadFactory() {
|
|
+
|
|
+ private final AtomicInteger count = new AtomicInteger();
|
|
+
|
|
+ @Override
|
|
+ public Thread newThread(Runnable run) {
|
|
+ Thread ret = new Thread(run);
|
|
+ ret.setName("Profile Lookup Executor #" + this.count.getAndIncrement());
|
|
+ ret.setUncaughtExceptionHandler((Thread thread, Throwable throwable) -> {
|
|
+ LOGGER.error("Uncaught exception in thread " + thread.getName(), throwable);
|
|
+ });
|
|
+ return ret;
|
|
+ }
|
|
+ });
|
|
+ // Paper end - don't submit BLOCKING PROFILE LOOKUPS to the world gen thread
|
|
private static final ExecutorService IO_POOL = makeIoExecutor();
|
|
private static final DateTimeFormatter FILENAME_DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss", Locale.ROOT);
|
|
public static final long NANOS_PER_MILLI = 1000000L;
|
|
diff --git a/src/main/java/net/minecraft/server/players/GameProfileCache.java b/src/main/java/net/minecraft/server/players/GameProfileCache.java
|
|
index 82f6404e5c4c5b2c9aea1b1c27ebee1d3c7ee9dc..c70cd016e1978931d115cfca94664897f0158196 100644
|
|
--- a/src/main/java/net/minecraft/server/players/GameProfileCache.java
|
|
+++ b/src/main/java/net/minecraft/server/players/GameProfileCache.java
|
|
@@ -167,7 +167,7 @@ public class GameProfileCache {
|
|
} else {
|
|
CompletableFuture<Optional<GameProfile>> completablefuture1 = CompletableFuture.supplyAsync(() -> {
|
|
return this.get(username);
|
|
- }, Util.backgroundExecutor()).whenCompleteAsync((optional, throwable) -> {
|
|
+ }, Util.PROFILE_EXECUTOR).whenCompleteAsync((optional, throwable) -> { // Paper - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
|
|
this.requests.remove(username);
|
|
}, this.executor);
|
|
|
|
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
|
|
index cf7e64eac9e3eb395a0be0a2a4fa0175a731b6e7..f5162f7171c348ff523b18e577246561d79e1c20 100644
|
|
--- a/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
|
|
+++ b/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
|
|
@@ -222,7 +222,7 @@ public class SkullBlockEntity extends BlockEntity {
|
|
} else {
|
|
return Optional.empty();
|
|
}
|
|
- }, Util.backgroundExecutor());
|
|
+ }, Util.PROFILE_EXECUTOR); // Paper - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
|
|
}
|
|
|
|
private static boolean hasTextures(GameProfile profile) {
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java b/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java
|
|
index 5a21cc441e1c925a7674299073ac374e63b911ec..ac05e268c9f00bca9f8ac19650937eede711810b 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/profile/CraftPlayerProfile.java
|
|
@@ -125,7 +125,7 @@ public final class CraftPlayerProfile implements PlayerProfile {
|
|
|
|
@Override
|
|
public CompletableFuture<PlayerProfile> update() {
|
|
- return CompletableFuture.supplyAsync(this::getUpdatedProfile, Util.backgroundExecutor());
|
|
+ return CompletableFuture.supplyAsync(this::getUpdatedProfile, Util.PROFILE_EXECUTOR); // Paper - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
|
|
}
|
|
|
|
private CraftPlayerProfile getUpdatedProfile() {
|