From 0000000000000000000000000000000000000000 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 ffe9b1a63d78925e1d77b9e730aef42fed6d58fa..1278d09f70c1e97607ef20d87a178dc252c7f723 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -446,4 +446,19 @@ 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/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java index 0efe7024493f96bb54e7d8c1ea7b233a1b481a04..aab1a055c065d1f1a92461e4442ec2cdd8e0b347 100644 --- a/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java @@ -261,6 +261,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop processQueue = new java.util.concurrent.ConcurrentLinkedQueue(); public int autosavePeriod; + public boolean serverAutoSave = false; // Paper public Commands vanillaCommandDispatcher; private boolean forceTicks; // CraftBukkit end @@ -1256,14 +1257,24 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop 0 && this.tickCount % 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.tickCount % autosavePeriod == 0); // Paper this.profiler.push("save"); + if (autosavePeriod > 0 && this.tickCount % autosavePeriod == 0) { // Paper this.playerList.saveAll(); - this.saveAllChunks(true, false, false); + }// Paper + // Paper start + for (ServerLevel world : getAllLevels()) { + if (world.paperConfig.autoSavePeriod > 0) { + world.saveIncrementally(serverAutoSave); + } + } + // Paper end + this.profiler.pop(); - MinecraftServer.LOGGER.debug("Autosave finished"); - } + //MinecraftServer.LOGGER.debug("Autosave finished"); // Paper + //} // Paper this.profiler.push("snooper"); if (((DedicatedServer) this).getProperties().snooperEnabled && !this.snooper.isStarted() && this.tickCount > 100) { // Spigot diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java index 7010e0a970462d2b2e1b5696a1a49dba9ea60935..491a9e78fdcec8c211499e8f48cceb829f1e5c8b 100644 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java @@ -66,6 +66,9 @@ public class ChunkHolder { private final ChunkMap chunkMap; // Paper + long lastAutoSaveTime; // Paper - incremental autosave + long inactiveTimeStart; // Paper - incremental autosave + public ChunkHolder(ChunkPos pos, int level, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) { this.futures = new AtomicReferenceArray(ChunkHolder.CHUNK_STATUSES.size()); this.fullChunkFuture = ChunkHolder.UNLOADED_LEVEL_CHUNK_FUTURE; @@ -421,7 +424,19 @@ public class ChunkHolder { boolean flag2 = playerchunk_state.isOrAfter(ChunkHolder.FullChunkStatus.BORDER); boolean flag3 = playerchunk_state1.isOrAfter(ChunkHolder.FullChunkStatus.BORDER); + boolean prevHasBeenLoaded = this.wasAccessibleSinceLastSave; // Paper this.wasAccessibleSinceLastSave |= flag3; + // Paper start - incremental autosave + if (this.wasAccessibleSinceLastSave & !prevHasBeenLoaded) { + long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime; + if (timeSinceAutoSave < 0) { + // safest bet is to assume autosave is needed here + timeSinceAutoSave = this.chunkMap.level.paperConfig.autoSavePeriod; + } + this.lastAutoSaveTime = this.chunkMap.level.getGameTime() - timeSinceAutoSave; + this.chunkMap.autoSaveQueue.add(this); + } + // Paper end if (!flag2 && flag3) { // Paper start - cache ticking ready status int expectCreateCount = ++this.fullChunkCreateCount; @@ -541,8 +556,32 @@ public class ChunkHolder { } public void refreshAccessibility() { + boolean prev = this.wasAccessibleSinceLastSave; // Paper + this.wasAccessibleSinceLastSave = getFullChunkStatus(this.ticketLevel).isOrAfter(ChunkHolder.FullChunkStatus.BORDER); + // Paper start - incremental autosave + if (prev != this.wasAccessibleSinceLastSave) { + if (this.wasAccessibleSinceLastSave) { + long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime; + if (timeSinceAutoSave < 0) { + // safest bet is to assume autosave is needed here + timeSinceAutoSave = this.chunkMap.level.paperConfig.autoSavePeriod; + } + this.lastAutoSaveTime = this.chunkMap.level.getGameTime() - timeSinceAutoSave; + this.chunkMap.autoSaveQueue.add(this); + } else { + this.inactiveTimeStart = this.chunkMap.level.getGameTime(); + this.chunkMap.autoSaveQueue.remove(this); + } + } + // Paper end + } + + // Paper start - incremental autosave + public boolean setHasBeenLoaded() { this.wasAccessibleSinceLastSave = getFullChunkStatus(this.ticketLevel).isOrAfter(ChunkHolder.FullChunkStatus.BORDER); + return this.wasAccessibleSinceLastSave; } + // Paper end public void replaceProtoChunk(ImposterProtoChunk protochunkextension) { for (int i = 0; i < this.futures.length(); ++i) { diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java index 0aac29de933c84c34cb24e204e8fcc7010060d8f..cfec04e12dfaeb8852dc129a6a7e68c61dac54b6 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -91,6 +91,7 @@ import net.minecraft.world.level.levelgen.structure.templatesystem.StructureMana import net.minecraft.world.level.storage.DimensionDataStorage; import net.minecraft.world.level.storage.LevelStorageSource; import net.minecraft.world.phys.Vec3; +import it.unimi.dsi.fastutil.objects.ObjectRBTreeSet; // Paper import org.apache.commons.lang3.mutable.MutableBoolean; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; @@ -378,6 +379,64 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider } + // Paper start - incremental autosave + final ObjectRBTreeSet autoSaveQueue = new ObjectRBTreeSet<>((playerchunk1, playerchunk2) -> { + int timeCompare = Long.compare(playerchunk1.lastAutoSaveTime, playerchunk2.lastAutoSaveTime); + if (timeCompare != 0) { + return timeCompare; + } + + return Long.compare(MCUtil.getCoordinateKey(playerchunk1.pos), MCUtil.getCoordinateKey(playerchunk2.pos)); + }); + + protected void saveIncrementally() { + int savedThisTick = 0; + // optimized since we search far less chunks to hit ones that need to be saved + List reschedule = new java.util.ArrayList<>(this.level.paperConfig.maxAutoSaveChunksPerTick); + long currentTick = this.level.getGameTime(); + long maxSaveTime = currentTick - this.level.paperConfig.autoSavePeriod; + + for (Iterator iterator = this.autoSaveQueue.iterator(); iterator.hasNext();) { + ChunkHolder playerchunk = iterator.next(); + if (playerchunk.lastAutoSaveTime > maxSaveTime) { + break; + } + + iterator.remove(); + + ChunkAccess ichunkaccess = playerchunk.getChunkToSave().getNow(null); + if (ichunkaccess instanceof LevelChunk) { + boolean shouldSave = ((LevelChunk)ichunkaccess).lastSaveTime <= maxSaveTime; + + if (shouldSave && this.save(ichunkaccess)) { + ++savedThisTick; + + if (!playerchunk.setHasBeenLoaded()) { + // do not fall through to reschedule logic + playerchunk.inactiveTimeStart = currentTick; + if (savedThisTick >= this.level.paperConfig.maxAutoSaveChunksPerTick) { + break; + } + continue; + } + } + } + + reschedule.add(playerchunk); + + if (savedThisTick >= this.level.paperConfig.maxAutoSaveChunksPerTick) { + break; + } + } + + for (int i = 0, len = reschedule.size(); i < len; ++i) { + ChunkHolder playerchunk = reschedule.get(i); + playerchunk.lastAutoSaveTime = this.level.getGameTime(); + this.autoSaveQueue.add(playerchunk); + } + } + // Paper end + protected void saveAllChunks(boolean flush) { if (flush) { List list = (List) this.visibleChunkMap.values().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).peek(ChunkHolder::refreshAccessibility).collect(Collectors.toList()); @@ -488,6 +547,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider this.level.unload(chunk); } + this.autoSaveQueue.remove(playerchunk); // Paper this.lightEngine.updateChunkStatus(ichunkaccess.getPos()); this.lightEngine.tryScheduleUpdate(); @@ -680,6 +740,8 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider playerchunk.replaceProtoChunk(new ImposterProtoChunk(chunk)); } + chunk.setLastSaveTime(this.level.getGameTime() - 1); // Paper - avoid autosaving newly generated/loaded chunks + chunk.setFullStatus(() -> { return ChunkHolder.getFullChunkStatus(playerchunk.getTicketLevel()); }); diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java index 1e8ac0110badbf2d1c2336168c3e11991667c782..c1aa40c01a80a8870478193b8cd7354b0d71045c 100644 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java @@ -558,6 +558,15 @@ public class ServerChunkCache extends ChunkSource { } // Paper - Timings } + // Paper start - duplicate save, but call incremental + public void saveIncrementally() { + this.runDistanceManagerUpdates(); + try (co.aikar.timings.Timing timed = level.timings.chunkSaveData.startTiming()) { // Paper - Timings + this.chunkMap.saveIncrementally(); + } // Paper - Timings + } + // Paper end + @Override public void close() throws IOException { // CraftBukkit start diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java index b2ddf145ae9f581ec6820deb9cb6a98be87658d7..fd7ee4badb383ffb4347d62c00ea2dfa3d76fd12 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -882,6 +882,38 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl return !this.server.isUnderSpawnProtection(this, pos, player) && this.getWorldBorder().isWithinBounds(pos); } + // Paper start - derived from below + 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 = timings.worldSave.startTiming()) { + if (doFull) { + this.saveData(); + } + + timings.worldSaveChunks.startTiming(); // Paper + if (!this.noSave()) chunkproviderserver.saveIncrementally(); + timings.worldSaveChunks.stopTiming(); // Paper + + + // Copied from save() + // CraftBukkit start - moved from MinecraftServer.saveChunks + if (doFull) { // Paper + ServerLevel worldserver1 = this; + + worldDataServer.setWorldBorder(worldserver1.getWorldBorder().createSettings()); + worldDataServer.setCustomBossEvents(this.server.getCustomBossEvents().save()); + convertable.saveDataTag(this.server.registryHolder, this.worldDataServer, this.server.getPlayerList().getSingleplayerData()); + } + // CraftBukkit end + } + } + // Paper end + public void save(@Nullable ProgressListener progressListener, boolean flush, boolean flag1) { ServerChunkCache chunkproviderserver = this.getChunkSource(); @@ -912,6 +944,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl // CraftBukkit end } + private void saveData() { this.saveLevelData(); } // Paper - OBFHELPER private void saveLevelData() { if (this.dragonFight != null) { this.worldDataServer.setEndDragonFightData(this.dragonFight.saveData()); // CraftBukkit diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java index 55872a17060a35b727a597bc414fecec3ada3515..419b4bf0549d798d52d73fbbd9de59313fc05eb1 100644 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java @@ -80,7 +80,7 @@ public class LevelChunk implements ChunkAccess { private TickList blockTicks; private TickList liquidTicks; private boolean lastSaveHadEntities; - private long lastSaveTime; + public long lastSaveTime; // Paper private volatile boolean unsaved; private long inhabitedTime; @Nullable