Paper/patches/server/0499-Incremental-player-saving.patch

104 lines
6.1 KiB
Diff

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 0ff0a71fe5dc53fa5fb81edffabc69790e3bcd1e..d74f0bdabd64976bf8608f2a5d8f2dc6118a35f2 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -462,4 +462,14 @@ public class PaperConfig {
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/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 186193d1d652876e9ad7cdf5223ec2c6f5c65779..5595fc75df984b3d21f78759cb76f5b4018ff550 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -981,7 +981,6 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
if (this.playerList != null) {
MinecraftServer.LOGGER.info("Saving players");
- this.playerList.saveAll();
this.playerList.removeAll(this.isRestarting); // Paper
try { Thread.sleep(100); } catch (InterruptedException ex) {} // CraftBukkit - SPIGOT-625 - give server at least a chance to send packets
}
@@ -1419,9 +1418,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// if (this.autosavePeriod > 0 && this.tickCount % this.autosavePeriod == 0) { // CraftBukkit // Paper - move down
// MinecraftServer.LOGGER.debug("Autosave started"); // Paper
serverAutoSave = (autosavePeriod > 0 && this.tickCount % autosavePeriod == 0); // Paper
+ // Paper start
+ int playerSaveInterval = com.destroystokyo.paper.PaperConfig.playerAutoSaveRate;
+ if (playerSaveInterval < 0) {
+ playerSaveInterval = autosavePeriod;
+ }
+ // Paper end
this.profiler.push("save");
- if (this.autosavePeriod > 0 && this.tickCount % this.autosavePeriod == 0) { // Paper - moved from above
- this.playerList.saveAll();
+ if (playerSaveInterval > 0) { // Paper
+ this.playerList.savePlayers(playerSaveInterval); // Paper
// this.saveAllChunks(true, false, false); // Paper - saved incrementally below
} // Paper start
for (ServerLevel level : this.getAllLevels()) {
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index f1cd338942d709e3d2d8de40241fe6e14bcba062..d4ab5061026eaff96b917427fd278ae06e103c6d 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -175,6 +175,7 @@ public class ServerPlayer extends Player {
public final int getViewDistance() { return this.getLevel().getChunkSource().chunkMap.viewDistance - 1; } // Paper - placeholder
private static final Logger LOGGER = LogManager.getLogger();
+ public long lastSave = MinecraftServer.currentTick; // Paper
private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_XZ = 32;
private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_Y = 10;
public ServerGamePacketListenerImpl connection;
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 476a3a317779fdecbced48caa85f6835c54eb018..9a73364f4d56f3a7cecb27bc8034166b8f5731b9 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -570,6 +570,7 @@ public abstract class PlayerList {
protected void save(ServerPlayer player) {
if (!player.getBukkitEntity().isPersistent()) return; // CraftBukkit
if (!player.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)
+ player.lastSave = MinecraftServer.currentTick; // Paper
this.playerIo.save(player);
ServerStatsCounter serverstatisticmanager = (ServerStatsCounter) player.getStats(); // CraftBukkit
@@ -1208,10 +1209,21 @@ public abstract class PlayerList {
}
public void saveAll() {
- net.minecraft.server.MCUtil.ensureMain("Save Players" , () -> { // Paper - Ensure main
+ // 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.save(this.players.get(i));
+ ServerPlayer entityplayer = this.players.get(i);
+ if (interval == null || now - entityplayer.lastSave >= interval) {
+ this.save(entityplayer);
+ if (interval != null && ++numSaved <= com.destroystokyo.paper.PaperConfig.maxPlayerAutoSavePerTick) { break; }
+ }
+ // Paper end
}
MinecraftTimings.savePlayers.stopTiming(); // Paper
return null; }); // Paper - ensure main