mirror of
https://github.com/PaperMC/Paper.git
synced 2024-11-23 11:06:29 +01:00
897dd2c840
This commit doesn't do much on its own, but adds a new Java Cleaner API that lets us hook into Garbage Collector events to reclaim pooled objects and return them to the pool. Adds framework for Network Packets to know when a packet has finished dispatching to get an idea when a packet is done sending to players. Rewrites PooledObjects impl to properly respect max pool size and remove almost all risk of contention. Bumps the Paper Async Task Queue to use 2 threads, and properly shuts it down on shutdown.
321 lines
15 KiB
Diff
321 lines
15 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sun, 9 Jun 2019 03:53:22 +0100
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Subject: [PATCH] incremental chunk saving
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 071e5e7f729d6c3ffb70506e7ef32eebee1e9118..48676152152faf7a7b9524ac37d8b4a8c32c4e2c 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -487,4 +487,19 @@ public class PaperWorldConfig {
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keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16);
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log( "Keep Spawn Loaded Range: " + (keepLoadedRange/16));
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}
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+
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+ public int autoSavePeriod = -1;
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+ private void autoSavePeriod() {
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+ autoSavePeriod = getInt("auto-save-interval", -1);
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+ if (autoSavePeriod > 0) {
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+ log("Auto Save Interval: " +autoSavePeriod + " (" + (autoSavePeriod / 20) + "s)");
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+ } else if (autoSavePeriod < 0) {
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+ autoSavePeriod = net.minecraft.server.MinecraftServer.getServer().autosavePeriod;
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+ }
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+ }
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+
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+ public int maxAutoSaveChunksPerTick = 24;
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+ private void maxAutoSaveChunksPerTick() {
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+ maxAutoSaveChunksPerTick = getInt("max-auto-save-chunks-per-tick", 24);
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+ }
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}
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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 165cb994e84bbcbdeb5ec14b561433257fd0df28..af0d6aff4de78e81fd3feb16719efdccc05ccb90 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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@@ -42,7 +42,7 @@ public class Chunk implements IChunkAccess {
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private TickList<Block> o;
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private TickList<FluidType> p;
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private boolean q;
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- private long lastSaved;
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+ public long lastSaved; // Paper
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private volatile boolean s;
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private long inhabitedTime;
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@Nullable
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index e6d08756f76360b29b29f18305e5ec84d09f2d54..6713b7667ae4fe3f1f555a71321832b4a9492162 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -515,6 +515,15 @@ public class ChunkProviderServer extends IChunkProvider {
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} // Paper - Timings
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}
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+ // Paper start - duplicate save, but call incremental
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+ public void saveIncrementally() {
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+ this.tickDistanceManager();
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+ try (co.aikar.timings.Timing timed = world.timings.chunkSaveData.startTiming()) { // Paper - Timings
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+ this.playerChunkMap.saveIncrementally();
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+ } // Paper - Timings
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+ }
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+ // Paper end
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+
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@Override
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public void close() throws IOException {
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// CraftBukkit start
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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 8b499c815c77bf5b356d4216ba6cbf2a329c9aca..cfed5f51431ec5aecb538a321327bfb6e8a0bd88 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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@@ -168,6 +168,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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public static int currentTick = 0; // Paper - Further improve tick loop
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public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
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public int autosavePeriod;
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+ public boolean serverAutoSave = false; // Paper
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public File bukkitDataPackFolder;
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public CommandDispatcher vanillaCommandDispatcher;
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private boolean forceTicks;
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@@ -1116,14 +1117,28 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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this.serverPing.b().a(agameprofile);
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}
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- if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit
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- MinecraftServer.LOGGER.debug("Autosave started");
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+ //if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit // Paper - move down
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+ //MinecraftServer.LOGGER.debug("Autosave started"); // Paper
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+ serverAutoSave = (autosavePeriod > 0 && this.ticks % autosavePeriod == 0); // Paper
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this.methodProfiler.enter("save");
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+ if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // Paper
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this.playerList.savePlayers();
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- this.saveChunks(true, false, false);
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+ }// Paper
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+ // Paper start
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+ for (WorldServer world : getWorlds()) {
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+ if (world.paperConfig.autoSavePeriod > 0) {
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+ try {
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+ world.saveIncrementally(serverAutoSave);
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+ } catch (ExceptionWorldConflict exceptionWorldConflict) {
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+ MinecraftServer.LOGGER.warn(exceptionWorldConflict.getMessage());
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+ }
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+ }
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+ }
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+ // Paper end
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+
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this.methodProfiler.exit();
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- MinecraftServer.LOGGER.debug("Autosave finished");
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- }
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+ //MinecraftServer.LOGGER.debug("Autosave finished"); // Paper
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+ //} // Paper
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this.methodProfiler.enter("snooper");
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if (((DedicatedServer) this).getDedicatedServerProperties().snooperEnabled && !this.snooper.d() && this.ticks > 100) { // Spigot
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diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
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index a640cb3845a853780b8cc2dbfc6e9be3728817e7..3d255b19647fb37f53a420c907bc634181580c18 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunk.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
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@@ -40,6 +40,9 @@ public class PlayerChunk {
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private final PlayerChunkMap chunkMap; // Paper
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+ long lastAutoSaveTime; // Paper - incremental autosave
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+ long inactiveTimeStart; // Paper - incremental autosave
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+
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public PlayerChunk(ChunkCoordIntPair chunkcoordintpair, int i, LightEngine lightengine, PlayerChunk.c playerchunk_c, PlayerChunk.d playerchunk_d) {
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this.statusFutures = new AtomicReferenceArray(PlayerChunk.CHUNK_STATUSES.size());
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this.fullChunkFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
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@@ -385,7 +388,19 @@ public class PlayerChunk {
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boolean flag2 = playerchunk_state.isAtLeast(PlayerChunk.State.BORDER);
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boolean flag3 = playerchunk_state1.isAtLeast(PlayerChunk.State.BORDER);
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+ boolean prevHasBeenLoaded = this.hasBeenLoaded; // Paper
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this.hasBeenLoaded |= flag3;
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+ // Paper start - incremental autosave
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+ if (this.hasBeenLoaded & !prevHasBeenLoaded) {
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+ long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime;
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+ if (timeSinceAutoSave < 0) {
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+ // safest bet is to assume autosave is needed here
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+ timeSinceAutoSave = this.chunkMap.world.paperConfig.autoSavePeriod;
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+ }
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+ this.lastAutoSaveTime = this.chunkMap.world.getTime() - timeSinceAutoSave;
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+ this.chunkMap.autoSaveQueue.add(this);
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+ }
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+ // Paper end
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if (!flag2 && flag3) {
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// Paper start - cache ticking ready status
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int expectCreateCount = ++this.fullChunkCreateCount;
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@@ -505,8 +520,32 @@ public class PlayerChunk {
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}
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public void m() {
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+ boolean prev = this.hasBeenLoaded; // Paper
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+ this.hasBeenLoaded = getChunkState(this.ticketLevel).isAtLeast(PlayerChunk.State.BORDER);
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+ // Paper start - incremental autosave
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+ if (prev != this.hasBeenLoaded) {
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+ if (this.hasBeenLoaded) {
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+ long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime;
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+ if (timeSinceAutoSave < 0) {
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+ // safest bet is to assume autosave is needed here
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+ timeSinceAutoSave = this.chunkMap.world.paperConfig.autoSavePeriod;
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+ }
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+ this.lastAutoSaveTime = this.chunkMap.world.getTime() - timeSinceAutoSave;
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+ this.chunkMap.autoSaveQueue.add(this);
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+ } else {
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+ this.inactiveTimeStart = this.chunkMap.world.getTime();
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+ this.chunkMap.autoSaveQueue.remove(this);
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+ }
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+ }
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+ // Paper end
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+ }
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+
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+ // Paper start - incremental autosave
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+ public boolean setHasBeenLoaded() {
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this.hasBeenLoaded = getChunkState(this.ticketLevel).isAtLeast(PlayerChunk.State.BORDER);
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+ return this.hasBeenLoaded;
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}
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+ // Paper end
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public void a(ProtoChunkExtension protochunkextension) {
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for (int i = 0; i < this.statusFutures.length(); ++i) {
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index 34f470779fa5d1cf9638431253024481236c073b..4f5b516144829a7ae11f21a56789ac7a1f256250 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -332,6 +332,64 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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}
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+ // Paper start - incremental autosave
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+ final it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<PlayerChunk> autoSaveQueue = new it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<>((playerchunk1, playerchunk2) -> {
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+ int timeCompare = Long.compare(playerchunk1.lastAutoSaveTime, playerchunk2.lastAutoSaveTime);
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+ if (timeCompare != 0) {
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+ return timeCompare;
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+ }
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+
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+ return Long.compare(MCUtil.getCoordinateKey(playerchunk1.location), MCUtil.getCoordinateKey(playerchunk2.location));
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+ });
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+
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+ protected void saveIncrementally() {
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+ int savedThisTick = 0;
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+ // optimized since we search far less chunks to hit ones that need to be saved
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+ List<PlayerChunk> reschedule = new ArrayList<>(this.world.paperConfig.maxAutoSaveChunksPerTick);
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+ long currentTick = this.world.getTime();
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+ long maxSaveTime = currentTick - this.world.paperConfig.autoSavePeriod;
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+
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+ for (Iterator<PlayerChunk> iterator = this.autoSaveQueue.iterator(); iterator.hasNext();) {
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+ PlayerChunk playerchunk = iterator.next();
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+ if (playerchunk.lastAutoSaveTime > maxSaveTime) {
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+ break;
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+ }
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+
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+ iterator.remove();
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+
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+ IChunkAccess ichunkaccess = playerchunk.getChunkSave().getNow(null);
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+ if (ichunkaccess instanceof Chunk) {
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+ boolean shouldSave = ((Chunk)ichunkaccess).lastSaved <= maxSaveTime;
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+
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+ if (shouldSave && this.saveChunk(ichunkaccess)) {
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+ ++savedThisTick;
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+
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+ if (!playerchunk.setHasBeenLoaded()) {
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+ // do not fall through to reschedule logic
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+ playerchunk.inactiveTimeStart = currentTick;
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+ if (savedThisTick >= this.world.paperConfig.maxAutoSaveChunksPerTick) {
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+ break;
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+ }
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+ continue;
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+ }
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+ }
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+ }
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+
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+ reschedule.add(playerchunk);
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+
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+ if (savedThisTick >= this.world.paperConfig.maxAutoSaveChunksPerTick) {
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+ break;
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+ }
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+ }
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+
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+ for (int i = 0, len = reschedule.size(); i < len; ++i) {
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+ PlayerChunk playerchunk = reschedule.get(i);
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+ playerchunk.lastAutoSaveTime = this.world.getTime();
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+ this.autoSaveQueue.add(playerchunk);
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+ }
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+ }
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+ // Paper end
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+
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protected void save(boolean flag) {
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if (flag) {
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List<PlayerChunk> list = (List) this.visibleChunks.values().stream().filter(PlayerChunk::hasBeenLoaded).peek(PlayerChunk::m).collect(Collectors.toList());
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@@ -442,6 +500,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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this.world.unloadChunk(chunk);
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}
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+ this.autoSaveQueue.remove(playerchunk); // Paper
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this.lightEngine.a(ichunkaccess.getPos());
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this.lightEngine.queueUpdate();
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@@ -623,6 +682,8 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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playerchunk.a(new ProtoChunkExtension(chunk));
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}
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+ chunk.setLastSaved(this.world.getTime() - 1); // Paper - avoid autosaving newly generated/loaded chunks
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+
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chunk.a(() -> {
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return PlayerChunk.getChunkState(playerchunk.getTicketLevel());
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});
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index ca0a23be27ee8174204867d463eb89a10931ff84..a0484d8062ecfb817cfd5b996915dc8f9a4eb2bd 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -817,11 +817,44 @@ public class WorldServer extends World {
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return this.worldProvider.c();
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}
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+ // Paper start - derived from below
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+ public void saveIncrementally(boolean doFull) throws ExceptionWorldConflict {
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+ ChunkProviderServer chunkproviderserver = this.getChunkProvider();
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+
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+ if (doFull) {
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+ org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld()));
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+ }
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+
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+ try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) {
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+ if (doFull) {
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+ this.saveData();
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+ }
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+
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+ timings.worldSaveChunks.startTiming(); // Paper
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+ if (!this.isSavingDisabled()) chunkproviderserver.saveIncrementally();
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+ timings.worldSaveChunks.stopTiming(); // Paper
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+
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+
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+ // CraftBukkit start - moved from MinecraftServer.saveChunks
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+ // PAIL - rename
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+ if (doFull) {
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+ WorldServer worldserver1 = this;
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+ WorldData worlddata = worldserver1.getWorldData();
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+
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+ worldserver1.getWorldBorder().save(worlddata);
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+ worlddata.setCustomBossEvents(this.server.getBossBattleCustomData().save());
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+ worldserver1.getDataManager().saveWorldData(worlddata, this.server.getPlayerList().save());
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+ // CraftBukkit end
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+ }
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+ }
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+ }
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+ // Paper end
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+
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public void save(@Nullable IProgressUpdate iprogressupdate, boolean flag, boolean flag1) throws ExceptionWorldConflict {
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ChunkProviderServer chunkproviderserver = this.getChunkProvider();
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if (!flag1) {
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- org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
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+ if (flag) org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
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try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) { // Paper
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if (iprogressupdate != null) {
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iprogressupdate.a(new ChatMessage("menu.savingLevel", new Object[0]));
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@@ -848,6 +881,7 @@ public class WorldServer extends World {
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// CraftBukkit end
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}
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+ protected void saveData() throws ExceptionWorldConflict { this.m_(); } // Paper - OBFHELPER
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protected void m_() throws ExceptionWorldConflict {
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this.checkSession();
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this.worldProvider.i();
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