1 files changed, 145 insertions, 0 deletions
diff --git a/patches/server/1038-Incremental-chunk-and-player-saving.patch b/patches/server/1038-Incremental-chunk-and-player-saving.patch
new file mode 100644
index 0000000000..a19a5893eb
--- /dev/null
+++ b/patches/server/1038-Incremental-chunk-and-player-saving.patch
@@ -0,0 +1,145 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shane Freeder <[email protected]>
+Date: Sun, 9 Jun 2019 03:53:22 +0100
+Subject: [PATCH] Incremental chunk and player saving
+
+
+diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
+index a2875f7cdfb6b43ed59cff41ab4122a08c4cc57f..45695abbeb0a6d47b31b23ba6c464f17e99d7898 100644
+--- a/src/main/java/net/minecraft/server/MinecraftServer.java
++++ b/src/main/java/net/minecraft/server/MinecraftServer.java
+@@ -993,7 +993,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+ 
+         try {
+             this.isSaving = true;
+-            this.getPlayerList().saveAll();
++            this.getPlayerList().saveAll(); // Paper - Incremental chunk and player saving; diff on change
+             flag3 = this.saveAllChunks(suppressLogs, flush, force);
+         } finally {
+             this.isSaving = false;
+@@ -1597,16 +1597,28 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+         }
+ 
+         --this.ticksUntilAutosave;
+-        // CraftBukkit start
+-        if (this.autosavePeriod > 0 && this.ticksUntilAutosave <= 0) {
+-            this.ticksUntilAutosave = this.autosavePeriod;
+-            // CraftBukkit end
+-            MinecraftServer.LOGGER.debug("Autosave started");
+-            this.profiler.push("save");
+-            this.saveEverything(true, false, false);
+-            this.profiler.pop();
+-            MinecraftServer.LOGGER.debug("Autosave finished");
++        // Paper start - Incremental chunk and player saving
++        int playerSaveInterval = io.papermc.paper.configuration.GlobalConfiguration.get().playerAutoSave.rate;
++        if (playerSaveInterval < 0) {
++            playerSaveInterval = autosavePeriod;
++        }
++        this.profiler.push("save");
++        final boolean fullSave = autosavePeriod > 0 && this.tickCount % autosavePeriod == 0;
++        try {
++            this.isSaving = true;
++            if (playerSaveInterval > 0) {
++                this.playerList.saveAll(playerSaveInterval);
++            }
++            for (ServerLevel level : this.getAllLevels()) {
++                if (level.paperConfig().chunks.autoSaveInterval.value() > 0) {
++                    level.saveIncrementally(fullSave);
++                }
++            }
++        } finally {
++            this.isSaving = false;
+         }
++        this.profiler.pop();
++        // Paper end - Incremental chunk and player saving
+         // Paper start - move executeAll() into full server tick timing
+         try (co.aikar.timings.Timing ignored = MinecraftTimings.processTasksTimer.startTiming()) {
+             this.runAllTasks();
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index e50df5a1f3b89b3d0687d6584bdd977f8b71a3f6..2fe9d9b38c01d04416843fdd48d3e33899b7de63 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -1315,6 +1315,35 @@ public class ServerLevel extends Level implements WorldGenLevel, ca.spottedleaf.
+         return !this.server.isUnderSpawnProtection(this, pos, player) && this.getWorldBorder().isWithinBounds(pos);
+     }
+ 
++    // Paper start - Incremental chunk and player saving
++    public void saveIncrementally(boolean doFull) {
++        ServerChunkCache chunkproviderserver = this.getChunkSource();
++
++        if (doFull) {
++            org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld()));
++        }
++
++        try (co.aikar.timings.Timing ignored = this.timings.worldSave.startTiming()) {
++            if (doFull) {
++                this.saveLevelData(true);
++            }
++
++            // chunk autosave is already called by the ChunkSystem during unload processing (ChunkMap#processUnloads)
++
++            // Copied from save()
++            // CraftBukkit start - moved from MinecraftServer.saveChunks
++            if (doFull) { // Paper
++                ServerLevel worldserver1 = this;
++
++                this.serverLevelData.setWorldBorder(worldserver1.getWorldBorder().createSettings());
++                this.serverLevelData.setCustomBossEvents(this.server.getCustomBossEvents().save(this.registryAccess()));
++                this.convertable.saveDataTag(this.server.registryAccess(), this.serverLevelData, this.server.getPlayerList().getSingleplayerData());
++            }
++            // CraftBukkit end
++        }
++    }
++    // Paper end - Incremental chunk and player saving
++
+     public void save(@Nullable ProgressListener progressListener, boolean flush, boolean savingDisabled) {
+         // Paper start - add close param
+         this.save(progressListener, flush, savingDisabled, false);
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+index dddd4fcdcd08e0221693071894818c7d3bae531b..5980b70e2d7273239245237189b2debcbccfbac3 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -203,6 +203,7 @@ import org.bukkit.inventory.MainHand;
+ public class ServerPlayer extends net.minecraft.world.entity.player.Player implements ca.spottedleaf.moonrise.patches.chunk_system.player.ChunkSystemServerPlayer { // Paper - rewrite chunk system
+ 
+     private static final Logger LOGGER = LogUtils.getLogger();
++    public long lastSave = MinecraftServer.currentTick; // Paper - Incremental chunk and player saving
+     private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_XZ = 32;
+     private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_Y = 10;
+     private static final int FLY_STAT_RECORDING_SPEED = 25;
+diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
+index c38c688417f769a6022dd40d6652b00e14c4df94..43eeb8ce4bc350c2b524ade11ca25d8d4d21bea5 100644
+--- a/src/main/java/net/minecraft/server/players/PlayerList.java
++++ b/src/main/java/net/minecraft/server/players/PlayerList.java
+@@ -569,6 +569,7 @@ public abstract class PlayerList {
+ 
+     protected void save(ServerPlayer player) {
+         if (!player.getBukkitEntity().isPersistent()) return; // CraftBukkit
++        player.lastSave = MinecraftServer.currentTick; // Paper - Incremental chunk and player saving
+         this.playerIo.save(player);
+         ServerStatsCounter serverstatisticmanager = (ServerStatsCounter) player.getStats(); // CraftBukkit
+ 
+@@ -1183,10 +1184,22 @@ public abstract class PlayerList {
+     }
+ 
+     public void saveAll() {
++        // Paper start - Incremental chunk and player saving
++        this.saveAll(-1);
++    }
++
++    public void saveAll(int interval) {
+         io.papermc.paper.util.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 == -1 || now - entityplayer.lastSave >= interval) {
++                this.save(entityplayer);
++                if (interval != -1 && ++numSaved >= io.papermc.paper.configuration.GlobalConfiguration.get().playerAutoSave.maxPerTick()) { break; }
++            }
++            // Paper end - Incremental chunk and player saving
+         }
+         MinecraftTimings.savePlayers.stopTiming(); // Paper
+         return null; }); // Paper - ensure main