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Paper/patches/unapplied/server/0354-Increase-Light-Queue-Size.patch
2022-06-07 18:52:56 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 8 Apr 2020 21:24:05 -0400
Subject: [PATCH] Increase Light Queue Size
Wiz mentioned that large WorldEdit operations cause light to run on
main thread. The queue was small, set to 5.. this bumps it to 20
but makes it configurable per-world.
The main risk of increasing this higher is during shutdown, some
queued light updates may be lost because mojang did not flush the
light engine on shutdown...
The queue size only puts a cap on max loss, doesn't solve that problem.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 4e90cc3970c77d8a488ac8bbcbaacf78b147f8b2..60d76eb048186d2f1bc0f1ed02741f8a2fd763b0 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -544,5 +544,10 @@ public class PaperWorldConfig {
hoppersIgnoreOccludingBlocks = getBoolean("hopper.ignore-occluding-blocks", hoppersIgnoreOccludingBlocks);
log("Hopper Ignore Container Entities inside Occluding Blocks: " + (hoppersIgnoreOccludingBlocks ? "enabled" : "disabled"));
}
+
+ public int lightQueueSize = 20;
+ private void lightQueueSize() {
+ lightQueueSize = getInt("light-queue-size", lightQueueSize);
+ }
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index d2580936b6e8a2e8b23331cc3f563bab3434486e..632743678f8c65e078080fda7c8eeee9a2d5753c 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -809,7 +809,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.executeModerately();
// CraftBukkit end
if (worldserver.getWorld().getKeepSpawnInMemory()) worldloadlistener.stop(); // Paper
- chunkproviderserver.getLightEngine().setTaskPerBatch(5);
+ chunkproviderserver.getLightEngine().setTaskPerBatch(worldserver.paperConfig.lightQueueSize); // Paper - increase light queue size
// CraftBukkit start
// this.updateMobSpawningFlags();
worldserver.setSpawnSettings(this.isSpawningMonsters(), this.isSpawningAnimals());