From c339c9dc305959ce1fd7ff3c76aa5ad621103747 Mon Sep 17 00:00:00 2001 From: Shane Freeder Date: Sun, 9 Jun 2019 03:53:22 +0100 Subject: [PATCH] incremental chunk saving diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index 071e5e7f72..4867615215 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -487,4 +487,19 @@ public class PaperWorldConfig { keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16); log( "Keep Spawn Loaded Range: " + (keepLoadedRange/16)); } + + public int autoSavePeriod = -1; + private void autoSavePeriod() { + autoSavePeriod = getInt("auto-save-interval", -1); + if (autoSavePeriod > 0) { + log("Auto Save Interval: " +autoSavePeriod + " (" + (autoSavePeriod / 20) + "s)"); + } else if (autoSavePeriod < 0) { + autoSavePeriod = net.minecraft.server.MinecraftServer.getServer().autosavePeriod; + } + } + + public int maxAutoSaveChunksPerTick = 24; + private void maxAutoSaveChunksPerTick() { + maxAutoSaveChunksPerTick = getInt("max-auto-save-chunks-per-tick", 24); + } } diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java index 7bcdbe713d..4b77934c39 100644 --- a/src/main/java/net/minecraft/server/Chunk.java +++ b/src/main/java/net/minecraft/server/Chunk.java @@ -42,7 +42,7 @@ public class Chunk implements IChunkAccess { private TickList o; private TickList p; private boolean q; - private long lastSaved; + public long lastSaved; // Paper private volatile boolean s; private long inhabitedTime; @Nullable diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java index e6d08756f7..6713b7667a 100644 --- a/src/main/java/net/minecraft/server/ChunkProviderServer.java +++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java @@ -515,6 +515,15 @@ public class ChunkProviderServer extends IChunkProvider { } // Paper - Timings } + // Paper start - duplicate save, but call incremental + public void saveIncrementally() { + this.tickDistanceManager(); + try (co.aikar.timings.Timing timed = world.timings.chunkSaveData.startTiming()) { // Paper - Timings + this.playerChunkMap.saveIncrementally(); + } // Paper - Timings + } + // Paper end + @Override public void close() throws IOException { // CraftBukkit start diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java index 0ee1d8e486..7ecf781263 100644 --- a/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java @@ -168,6 +168,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant processQueue = new java.util.concurrent.ConcurrentLinkedQueue(); public int autosavePeriod; + public boolean serverAutoSave = false; // Paper public File bukkitDataPackFolder; public CommandDispatcher vanillaCommandDispatcher; private boolean forceTicks; @@ -1113,14 +1114,28 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit - MinecraftServer.LOGGER.debug("Autosave started"); + //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 this.methodProfiler.enter("save"); + if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // Paper this.playerList.savePlayers(); - this.saveChunks(true, false, false); + }// Paper + // Paper start + for (WorldServer world : getWorlds()) { + if (world.paperConfig.autoSavePeriod > 0) { + try { + world.saveIncrementally(serverAutoSave); + } catch (ExceptionWorldConflict exceptionWorldConflict) { + MinecraftServer.LOGGER.warn(exceptionWorldConflict.getMessage()); + } + } + } + // Paper end + this.methodProfiler.exit(); - MinecraftServer.LOGGER.debug("Autosave finished"); - } + //MinecraftServer.LOGGER.debug("Autosave finished"); // Paper + //} // Paper this.methodProfiler.enter("snooper"); if (((DedicatedServer) this).getDedicatedServerProperties().snooperEnabled && !this.snooper.d() && this.ticks > 100) { // Spigot diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java index a640cb3845..3d255b1964 100644 --- a/src/main/java/net/minecraft/server/PlayerChunk.java +++ b/src/main/java/net/minecraft/server/PlayerChunk.java @@ -40,6 +40,9 @@ public class PlayerChunk { private final PlayerChunkMap chunkMap; // Paper + long lastAutoSaveTime; // Paper - incremental autosave + long inactiveTimeStart; // Paper - incremental autosave + public PlayerChunk(ChunkCoordIntPair chunkcoordintpair, int i, LightEngine lightengine, PlayerChunk.c playerchunk_c, PlayerChunk.d playerchunk_d) { this.statusFutures = new AtomicReferenceArray(PlayerChunk.CHUNK_STATUSES.size()); this.fullChunkFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE; @@ -385,7 +388,19 @@ public class PlayerChunk { boolean flag2 = playerchunk_state.isAtLeast(PlayerChunk.State.BORDER); boolean flag3 = playerchunk_state1.isAtLeast(PlayerChunk.State.BORDER); + boolean prevHasBeenLoaded = this.hasBeenLoaded; // Paper this.hasBeenLoaded |= flag3; + // Paper start - incremental autosave + if (this.hasBeenLoaded & !prevHasBeenLoaded) { + long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime; + if (timeSinceAutoSave < 0) { + // safest bet is to assume autosave is needed here + timeSinceAutoSave = this.chunkMap.world.paperConfig.autoSavePeriod; + } + this.lastAutoSaveTime = this.chunkMap.world.getTime() - timeSinceAutoSave; + this.chunkMap.autoSaveQueue.add(this); + } + // Paper end if (!flag2 && flag3) { // Paper start - cache ticking ready status int expectCreateCount = ++this.fullChunkCreateCount; @@ -505,8 +520,32 @@ public class PlayerChunk { } public void m() { + boolean prev = this.hasBeenLoaded; // Paper + this.hasBeenLoaded = getChunkState(this.ticketLevel).isAtLeast(PlayerChunk.State.BORDER); + // Paper start - incremental autosave + if (prev != this.hasBeenLoaded) { + if (this.hasBeenLoaded) { + long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime; + if (timeSinceAutoSave < 0) { + // safest bet is to assume autosave is needed here + timeSinceAutoSave = this.chunkMap.world.paperConfig.autoSavePeriod; + } + this.lastAutoSaveTime = this.chunkMap.world.getTime() - timeSinceAutoSave; + this.chunkMap.autoSaveQueue.add(this); + } else { + this.inactiveTimeStart = this.chunkMap.world.getTime(); + this.chunkMap.autoSaveQueue.remove(this); + } + } + // Paper end + } + + // Paper start - incremental autosave + public boolean setHasBeenLoaded() { this.hasBeenLoaded = getChunkState(this.ticketLevel).isAtLeast(PlayerChunk.State.BORDER); + return this.hasBeenLoaded; } + // Paper end public void a(ProtoChunkExtension protochunkextension) { for (int i = 0; i < this.statusFutures.length(); ++i) { diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java index 6122d19ccf..4682dca9de 100644 --- a/src/main/java/net/minecraft/server/PlayerChunkMap.java +++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java @@ -331,6 +331,64 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d { } + // Paper start - incremental autosave + final it.unimi.dsi.fastutil.objects.ObjectRBTreeSet autoSaveQueue = new it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<>((playerchunk1, playerchunk2) -> { + int timeCompare = Long.compare(playerchunk1.lastAutoSaveTime, playerchunk2.lastAutoSaveTime); + if (timeCompare != 0) { + return timeCompare; + } + + return Long.compare(MCUtil.getCoordinateKey(playerchunk1.location), MCUtil.getCoordinateKey(playerchunk2.location)); + }); + + protected void saveIncrementally() { + int savedThisTick = 0; + // optimized since we search far less chunks to hit ones that need to be saved + List reschedule = new ArrayList<>(this.world.paperConfig.maxAutoSaveChunksPerTick); + long currentTick = this.world.getTime(); + long maxSaveTime = currentTick - this.world.paperConfig.autoSavePeriod; + + for (Iterator iterator = this.autoSaveQueue.iterator(); iterator.hasNext();) { + PlayerChunk playerchunk = iterator.next(); + if (playerchunk.lastAutoSaveTime > maxSaveTime) { + break; + } + + iterator.remove(); + + IChunkAccess ichunkaccess = playerchunk.getChunkSave().getNow(null); + if (ichunkaccess instanceof Chunk) { + boolean shouldSave = ((Chunk)ichunkaccess).lastSaved <= maxSaveTime; + + if (shouldSave && this.saveChunk(ichunkaccess)) { + ++savedThisTick; + + if (!playerchunk.setHasBeenLoaded()) { + // do not fall through to reschedule logic + playerchunk.inactiveTimeStart = currentTick; + if (savedThisTick >= this.world.paperConfig.maxAutoSaveChunksPerTick) { + break; + } + continue; + } + } + } + + reschedule.add(playerchunk); + + if (savedThisTick >= this.world.paperConfig.maxAutoSaveChunksPerTick) { + break; + } + } + + for (int i = 0, len = reschedule.size(); i < len; ++i) { + PlayerChunk playerchunk = reschedule.get(i); + playerchunk.lastAutoSaveTime = this.world.getTime(); + this.autoSaveQueue.add(playerchunk); + } + } + // Paper end + protected void save(boolean flag) { if (flag) { List list = (List) this.visibleChunks.values().stream().filter(PlayerChunk::hasBeenLoaded).peek(PlayerChunk::m).collect(Collectors.toList()); @@ -441,6 +499,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d { this.world.unloadChunk(chunk); } + this.autoSaveQueue.remove(playerchunk); // Paper this.lightEngine.a(ichunkaccess.getPos()); this.lightEngine.queueUpdate(); @@ -622,6 +681,8 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d { playerchunk.a(new ProtoChunkExtension(chunk)); } + chunk.setLastSaved(this.world.getTime() - 1); // Paper - avoid autosaving newly generated/loaded chunks + chunk.a(() -> { return PlayerChunk.getChunkState(playerchunk.getTicketLevel()); }); diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java index 389c9d03a1..62c2275098 100644 --- a/src/main/java/net/minecraft/server/WorldServer.java +++ b/src/main/java/net/minecraft/server/WorldServer.java @@ -814,11 +814,44 @@ public class WorldServer extends World { return this.worldProvider.c(); } + // Paper start - derived from below + public void saveIncrementally(boolean doFull) throws ExceptionWorldConflict { + ChunkProviderServer chunkproviderserver = this.getChunkProvider(); + + if (doFull) { + org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); + } + + try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) { + if (doFull) { + this.saveData(); + } + + timings.worldSaveChunks.startTiming(); // Paper + if (!this.isSavingDisabled()) chunkproviderserver.saveIncrementally(); + timings.worldSaveChunks.stopTiming(); // Paper + + + // CraftBukkit start - moved from MinecraftServer.saveChunks + // PAIL - rename + if (doFull) { + WorldServer worldserver1 = this; + WorldData worlddata = worldserver1.getWorldData(); + + worldserver1.getWorldBorder().save(worlddata); + worlddata.setCustomBossEvents(this.server.getBossBattleCustomData().save()); + worldserver1.getDataManager().saveWorldData(worlddata, this.server.getPlayerList().save()); + // CraftBukkit end + } + } + } + // Paper end + public void save(@Nullable IProgressUpdate iprogressupdate, boolean flag, boolean flag1) throws ExceptionWorldConflict { ChunkProviderServer chunkproviderserver = this.getChunkProvider(); if (!flag1) { - org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit + if (flag) org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) { // Paper if (iprogressupdate != null) { iprogressupdate.a(new ChatMessage("menu.savingLevel", new Object[0])); @@ -845,6 +878,7 @@ public class WorldServer extends World { // CraftBukkit end } + protected void saveData() throws ExceptionWorldConflict { this.m_(); } // Paper - OBFHELPER protected void m_() throws ExceptionWorldConflict { this.checkSession(); this.worldProvider.i(); -- 2.26.2