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3c0d6aaed9
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: 0c7aedbc SPIGOT-7554, PR-954: Add DecoratedPotInventory CraftBukkit Changes: 53ebb05e3 SPIGOT-7554, PR-1323: Add DecoratedPotInventory 33a2d8773 Ensure that PlayerMoveEvent is always fired where applicable 7df18510f SPIGOT-7555: Don't cast ItemFlags to byte 19aec59ea Use provided case for non-existent OfflinePlayers Spigot Changes: e7ce55a3 Remove obsolete PlayerMoveEvent improvements 3e5e22c0 Remove obsolete lowercasing of non existent OfflinePlayer names
78 lines
4.6 KiB
Diff
78 lines
4.6 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 114f4017c4133042178c57d424f10079163835dd..aa52b271bd556a29f774fde375b713d0d187521b 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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@@ -89,6 +89,22 @@ 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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private static final int LINEAR_LOOKUP_THRESHOLD = 8;
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public static final long NANOS_PER_MILLI = 1000000L;
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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 09de1ca3802e97442bc090db0cc87fd833ad3a9f..9c500642eb2b59bf9aabd6b5d563e5fb15603056 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 - 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);
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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 bffc770105800ba78c6d9bfb56ad9ad425f19910..92b770d10f34596ce52392a0db1ccd825108730b 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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@@ -80,7 +80,7 @@ public class SkullBlockEntity extends BlockEntity {
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} else {
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return Optional.empty();
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}
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- }, Util.backgroundExecutor());
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+ }, Util.PROFILE_EXECUTOR); // Paper - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
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}
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@Override
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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 358af0121ce3d87a9f51da2bae0699034c1560b4..91e913f8652584ffab44c44d10c0e0c47707e261 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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@@ -122,7 +122,7 @@ 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 - not a good idea to use BLOCKING OPERATIONS on the worldgen executor
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}
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private CraftPlayerProfile getUpdatedProfile() {
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