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From c6aae818d76a353a6ad830f8970370d2f0661085 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Nov 2016 21:52:22 -0400
Subject: [PATCH] Prevent Auto Save if Save Queue is full
If the save queue already has 50 (configurable) of chunks pending,
then avoid processing auto save (which would add more)
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 7e847af00..9829b3b64 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -341,6 +341,11 @@ public class PaperWorldConfig {
maxAutoSaveChunksPerTick = getInt("max-auto-save-chunks-per-tick", 24);
}
+ public int queueSizeAutoSaveThreshold = 50;
+ private void queueSizeAutoSaveThreshold() {
+ queueSizeAutoSaveThreshold = getInt("save-queue-limit-for-auto-save", 50);
+ }
+
public boolean removeCorruptTEs = false;
private void removeCorruptTEs() {
removeCorruptTEs = getBoolean("remove-corrupt-tile-entities", false);
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index fbc69b5ba..9b5908a5b 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -236,6 +236,13 @@ public class ChunkProviderServer implements IChunkProvider {
synchronized (this.chunkLoader) {
ObjectIterator objectiterator = this.chunks.values().iterator();
+ // Paper start
+ final ChunkRegionLoader chunkLoader = (ChunkRegionLoader) world.getChunkProvider().chunkLoader;
+ final int queueSize = chunkLoader.getQueueSize();
+ if (!flag && queueSize > world.paperConfig.queueSizeAutoSaveThreshold){
+ return false;
+ }
+ // Paper end
while (objectiterator.hasNext()) {
Chunk chunk = (Chunk) objectiterator.next();
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index a144118f6..adfb5d056 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -156,6 +156,8 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
}
+ public int getQueueSize() { return queue.size(); } // Paper
+
// CraftBukkit start - Add async variant, provide compatibility
@Nullable
public Chunk a(GeneratorAccess generatoraccess, int i, int j, Consumer<Chunk> consumer) throws IOException {
--
2.21.0
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