74 lines
3.4 KiB
Diff
74 lines
3.4 KiB
Diff
From 906b1664a3c1d0afafbf48e0f399389943eac0be Mon Sep 17 00:00:00 2001
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From: md_5 <git@md-5.net>
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Date: Sun, 12 Jan 2014 21:07:18 +1100
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Subject: [PATCH] Improve AutoSave Mechanism
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The problem here is that MinecraftServer.save(..), will attempt to sleep whilst all pending chunks are written to disk.
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however due to various and complicated bugs, it will wait for an incorrect amount of chunks, which may cause it to sleep for an overly long amount of time.
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Instead we will mimic the save-all command in its behaviour, which is both safe and performant.
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Also, only save modified chunks, or chunks with entities after 4 auto save passes
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 5208dbc..f8bfc2d 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -942,7 +942,7 @@ public class Chunk {
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if (this.r && this.world.getTime() != this.lastSaved || this.q) {
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return true;
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}
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- } else if (this.r && this.world.getTime() >= this.lastSaved + 600L) {
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+ } else if (this.r && this.world.getTime() >= this.lastSaved + MinecraftServer.getServer().autosavePeriod * 4) { // Spigot - Only save if we've passed 2 auto save intervals without modification
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return true;
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}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index f331f41..d34c4e9 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -657,7 +657,17 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
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SpigotTimings.worldSaveTimer.startTiming(); // Spigot
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this.methodProfiler.a("save");
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this.v.savePlayers();
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- this.saveChunks(true);
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+ // Spigot Start
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+ // We replace this with saving each individual world as this.saveChunks(...) is broken,
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+ // and causes the main thread to sleep for random amounts of time depending on chunk activity
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+ // Also pass flag to only save modified chunks
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+ server.playerCommandState = true;
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+ for (World world : worlds) {
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+ world.getWorld().save(false);
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+ }
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+ server.playerCommandState = false;
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+ // this.saveChunks(true);
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+ // Spigot End
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this.methodProfiler.b();
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SpigotTimings.worldSaveTimer.stopTiming(); // Spigot
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 5d12a5c..a4d396d 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -742,12 +742,17 @@ public class CraftWorld implements World {
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}
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public void save() {
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+ // Spigot start
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+ save(true);
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+ }
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+ public void save(boolean forceSave) {
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+ // Spigot end
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this.server.checkSaveState();
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try {
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boolean oldSave = world.savingDisabled;
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world.savingDisabled = false;
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- world.save(true, null);
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+ world.save(forceSave, null); // Spigot
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world.savingDisabled = oldSave;
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} catch (ExceptionWorldConflict ex) {
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--
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2.1.4
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