diff --git a/patches/server/Configurable-chat-thread-limit.patch b/patches/server/Configurable-chat-thread-limit.patch new file mode 100644 index 0000000000..74ae2b6a7d --- /dev/null +++ b/patches/server/Configurable-chat-thread-limit.patch @@ -0,0 +1,55 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Shane Freeder +Date: Sun, 18 Sep 2022 06:33:17 +0100 +Subject: [PATCH] Configurable chat thread limit + +By default, spigot shifts chat over to an unbounded thread pool, +on a normal server, this really offers no gains, the creation of a thread +on submitting to the pool on these servers eats more time vs just running it in +the netty pipeline, however, on servers using plugins which do work in here, there +could be some overall benefits to moving this stuff outside of the pipeline. + +In general, this patch does two things: +1) Exposes the core size for the pool, this allows for ensuring that a number of threads +sit around in the pool, mitigating the need for creating new threads; This IS however +caveated, the ThreadPoolExecutor will ONLY create core threads as they're needed, it +just won't allow for us to dip back under the # of core threads, this can potentially +be mitigated by calling prestartCoreThread, however, I'm not sure if there is much justification +for this +2) Exposes a max size for the pool, as stated, by default this is unbounded, for most +servers limiting the size of the pool is going to have 0 effects given how fast chat +is actually processed, this is honestly really just exposed for the misnomers or people +who just wanna ensure that this won't grow over a specific size if chat gets stupidly active + +diff --git a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java +index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 +--- a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java ++++ b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java +@@ -0,0 +0,0 @@ public class GlobalConfiguration extends ConfigurationPart { + public Misc misc; + + public class Misc extends ConfigurationPart { ++ ++ public ChatThreads chatThreads; + public class ChatThreads extends ConfigurationPart.Post { + private int chatExecutorCoreSize = -1; + private int chatExecutorMaxSize = -1; + + @Override + public void postProcess() { +- // TODO: FILL ++ //noinspection ConstantConditions ++ if (net.minecraft.server.MinecraftServer.getServer() == null) return; // In testing env, this will be null here ++ int _chatExecutorMaxSize = (chatExecutorMaxSize <= 0) ? Integer.MAX_VALUE : chatExecutorMaxSize; // This is somewhat dumb, but, this is the default, do we cap this?; ++ int _chatExecutorCoreSize = Math.max(chatExecutorCoreSize, 0); ++ ++ if (_chatExecutorMaxSize < _chatExecutorCoreSize) { ++ _chatExecutorMaxSize = _chatExecutorCoreSize; ++ } ++ ++ java.util.concurrent.ThreadPoolExecutor executor = (java.util.concurrent.ThreadPoolExecutor) net.minecraft.server.MinecraftServer.getServer().chatExecutor; ++ executor.setCorePoolSize(_chatExecutorCoreSize); ++ executor.setMaximumPoolSize(_chatExecutorMaxSize); + } + } + public int maxJoinsPerTick = 3; diff --git a/patches/server/Paper-config-files.patch b/patches/server/Paper-config-files.patch index e39fd88abc..1a1d303bd5 100644 --- a/patches/server/Paper-config-files.patch +++ b/patches/server/Paper-config-files.patch @@ -688,6 +688,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000 + public Misc misc; + + public class Misc extends ConfigurationPart { ++ public class ChatThreads extends ConfigurationPart.Post { ++ private int chatExecutorCoreSize = -1; ++ private int chatExecutorMaxSize = -1; ++ ++ @Override ++ public void postProcess() { ++ // TODO: FILL ++ } ++ } + public int maxJoinsPerTick = 3; + public boolean fixEntityPositionDesync = true; + public boolean loadPermissionsYmlBeforePlugins = true;