Restore incremental player saving

This patch was dropped in 1.14 . I couldn't find it in removed so I got it from 1.13
Tested with 30-40 players and works fine with default settings.
Closes https://github.com/PaperMC/Paper/issues/4070
This commit is contained in:
MrIvanPlays 2020-08-09 09:04:18 +03:00 committed by Daniel Ennis
parent ede98b6820
commit 2b4ce0b370

View file

@ -0,0 +1,95 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 9 Aug 2020 08:59:25 +0300
Subject: [PATCH] Incremental player saving
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 56e4359ba32339e1bef58061585ff3e12e4215f3..60f03502a7fd622d2de3b2da9fe8014b289f3d31 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -435,4 +435,15 @@ public class PaperConfig {
allowPistonDuplication = getBoolean("settings.unsupported-settings.allow-piston-duplication", config.getBoolean("settings.unsupported-settings.allow-tnt-duplication", false));
set("settings.unsupported-settings.allow-tnt-duplication", null);
}
+
+ public static int playerAutoSaveRate = -1;
+ public static int maxPlayerAutoSavePerTick = 10;
+ private static void playerAutoSaveRate() {
+ playerAutoSaveRate = getInt("settings.player-auto-save-rate", -1);
+ maxPlayerAutoSavePerTick = getInt("settings.max-player-auto-save-per-tick", -1);
+ if (maxPlayerAutoSavePerTick == -1) { // -1 Automatic / "Recommended"
+ // 10 should be safe for everyone unless you mass spamming player auto save
+ maxPlayerAutoSavePerTick = (playerAutoSaveRate == -1 || playerAutoSaveRate > 100) ? 10 : 20;
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index e5a81f831813209d224ffedbc03f6d8243721a25..c72cfd2bdfbe4536f6799fc4dff195c1f66d4c94 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -42,6 +42,7 @@ import org.bukkit.inventory.MainHand;
public class EntityPlayer extends EntityHuman implements ICrafting {
private static final Logger LOGGER = LogManager.getLogger();
+ public long lastSave = MinecraftServer.currentTick; // Paper
public PlayerConnection playerConnection;
public NetworkManager networkManager; // Paper
public final MinecraftServer server;
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 3130c68e7318a41e763575b245ee1b5298c92a16..0defaec8a8a25b1a0172f211d599d07264977cfa 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1228,9 +1228,15 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
//if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit // Paper - move down
//MinecraftServer.LOGGER.debug("Autosave started"); // Paper
serverAutoSave = (autosavePeriod > 0 && this.ticks % autosavePeriod == 0); // Paper
+ // Paper start
+ int playerSaveInterval = com.destroystokyo.paper.PaperConfig.playerAutoSaveRate;
+ if (playerSaveInterval < 0) {
+ playerSaveInterval = autosavePeriod;
+ }
+ // Paper end
this.methodProfiler.enter("save");
- if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // Paper
- this.playerList.savePlayers();
+ if (playerSaveInterval > 0) { // Paper
+ this.playerList.savePlayers(playerSaveInterval); // Paper
}// Paper
// Paper start
for (WorldServer world : getWorlds()) {
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index 9382e8f79e8edec8885c629a36e230fbec50e1fb..38d83bb3183c6b8d7708e27b7427a757e3d26b0f 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -482,6 +482,7 @@ public abstract class PlayerList {
protected void savePlayerFile(EntityPlayer entityplayer) {
if (!entityplayer.getBukkitEntity().isPersistent()) return; // CraftBukkit
if (!entityplayer.didPlayerJoinEvent) return; // Paper - If we never fired PJE, we disconnected during login. Data has not changed, and additionally, our saved vehicle is not loaded! If we save now, we will lose our vehicle (CraftBukkit bug)
+ entityplayer.lastSave = MinecraftServer.currentTick; // Paper
this.playerFileData.save(entityplayer);
ServerStatisticManager serverstatisticmanager = (ServerStatisticManager) entityplayer.getStatisticManager(); // CraftBukkit
@@ -1127,10 +1128,21 @@ public abstract class PlayerList {
}
public void savePlayers() {
+ // Paper start - incremental player saving
+ savePlayers(null);
+ }
+ public void savePlayers(Integer interval) {
MCUtil.ensureMain("Save Players" , () -> { // Paper - Ensure main
MinecraftTimings.savePlayers.startTiming(); // Paper
+ int numSaved = 0;
+ long now = MinecraftServer.currentTick;
for (int i = 0; i < this.players.size(); ++i) {
- this.savePlayerFile((EntityPlayer) this.players.get(i));
+ EntityPlayer entityplayer = this.players.get(i);
+ if (interval == null || now - entityplayer.lastSave >= interval) {
+ this.savePlayerFile(entityplayer);
+ if (interval != null && ++numSaved <= com.destroystokyo.paper.PaperConfig.maxPlayerAutoSavePerTick) { break; }
+ }
+ // Paper end
}
MinecraftTimings.savePlayers.stopTiming(); // Paper
return null; }); // Paper - ensure main