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Paper-Old/patches/server/0782-Do-not-overload-I-O-threads-with-chunk-data-while-fl.patch
Nassim Jahnke 18f0f8d1ca
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
312281ea PR-742: Make World implement Keyed

CraftBukkit Changes:
2ac7fa7a SPIGOT-7014: getLootTable API should not persistently update loot table
7fdd7941 PR-1046: Make World implement Keyed
7bc728a6 PR-1045: Revert changes to persistence required checks

Spigot Changes:
b6d12d17 Rebuild patches
2022-05-09 11:03:07 +02:00

43 Zeilen
2.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 16 Oct 2021 01:36:00 -0700
Subject: [PATCH] Do not overload I/O threads with chunk data while flush
saving
If the chunk count is high, then the memory used by the
chunks adds up and could cause problems. By flushing
every so many chunks, the server will not become
stressed for memory. It will also not increase the total
time to save, as flush saving performs a full flush at
the end anyways.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index a578ff8a88ef944516150303e96f8b49bc797f64..9999f9743184ba929635d625c60836c046ededd4 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -928,6 +928,16 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
// Paper end
protected void saveAllChunks(boolean flush) {
+ // Paper start - do not overload I/O threads with too much work when saving
+ int[] saved = new int[1];
+ int maxAsyncSaves = 50;
+ Runnable onChunkSave = () -> {
+ if (++saved[0] >= maxAsyncSaves) {
+ saved[0] = 0;
+ com.destroystokyo.paper.io.PaperFileIOThread.Holder.INSTANCE.flush();
+ }
+ };
+ // Paper end - do not overload I/O threads with too much work when saving
if (flush) {
List<ChunkHolder> list = (List) this.updatingChunks.getVisibleValuesCopy().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).peek(ChunkHolder::refreshAccessibility).collect(Collectors.toList()); // Paper
MutableBoolean mutableboolean = new MutableBoolean();
@@ -950,6 +960,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}).filter((ichunkaccess) -> {
return ichunkaccess instanceof ImposterProtoChunk || ichunkaccess instanceof LevelChunk;
}).filter(this::save).forEach((ichunkaccess) -> {
+ onChunkSave.run(); // Paper - do not overload I/O threads with too much work when saving
mutableboolean.setTrue();
});
} while (mutableboolean.isTrue());