Paper/patches/server/0740-Configurable-chat-thread-limit.patch
Oliver Janka 1cb2bf466f
Add velocity forwarding secret env override (#10127)
Previously, the velocity forwarding secret could only be configured via
the configuration option in the global paper configuration.
This makes configuring/passing such a value rather difficult for
containerized/orchestrated servers as these configuration files are
usually part of the server data volume itself and hence cannot be
sourced from a secret.

This commit enables administrators to define the PAPER_VELOCITY_SECRET
environment variable, which will override any potentially configured
velocity secret.
2024-09-22 20:25:27 +02:00

48 lines
3.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
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 b92bfd89e32becde2e7630c6116c16f8a4f6614a..73e8a524925ed6f2580d3bd01616646fabafda78 100644
--- a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
+++ b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
@@ -303,7 +303,18 @@ public class GlobalConfiguration extends ConfigurationPart {
@PostProcess
private void postProcess() {
- // TODO: fill in separate patch
+ //noinspection ConstantConditions
+ if (net.minecraft.server.MinecraftServer.getServer() == null) return; // In testing env, this will be null here
+ int _chatExecutorMaxSize = (this.chatExecutorMaxSize <= 0) ? Integer.MAX_VALUE : this.chatExecutorMaxSize; // This is somewhat dumb, but, this is the default, do we cap this?;
+ int _chatExecutorCoreSize = Math.max(this.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 = 5;