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 9e5810eb0085ad956f0bd1cd69fa88909d9d638a..77e90a6b7d29ad989fd961e00a6fd97c7e5ec4fe 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -44,6 +44,21 @@ public class PaperWorldConfig { 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); + } + private boolean getBoolean(String path, boolean def) { config.addDefault("world-settings.default." + path, def); return config.getBoolean("world-settings." + worldName + "." + path, config.getBoolean("world-settings.default." + path)); diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java index d285967a60903a73608a1f9cdc306e63066824ab..a36fa61313baf9ab260b8805860ac4bce24bc3c6 100644 --- a/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java @@ -296,6 +296,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop processQueue = new java.util.concurrent.ConcurrentLinkedQueue(); public int autosavePeriod; + public boolean serverAutoSave = false; // Paper public Commands vanillaCommandDispatcher; public boolean forceTicks; // Paper // CraftBukkit end @@ -1413,14 +1414,23 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop 0 && this.tickCount % this.autosavePeriod == 0) { // CraftBukkit - MinecraftServer.LOGGER.debug("Autosave started"); + // 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 this.profiler.push("save"); + if (this.autosavePeriod > 0 && this.tickCount % this.autosavePeriod == 0) { // Paper - moved from above this.playerList.saveAll(); - this.saveAllChunks(true, false, false); - this.profiler.pop(); - MinecraftServer.LOGGER.debug("Autosave finished"); + // this.saveAllChunks(true, false, false); // Paper - saved incrementally below + } // Paper start + for (ServerLevel level : this.getAllLevels()) { + if (level.paperConfig.autoSavePeriod > 0) { + level.saveIncrementally(this.serverAutoSave); + } } + // Paper end + this.profiler.pop(); + // 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 e6883cad6c604673535deacc19463aeeb060199a..e26b65c3b2594ae45b68bcbd135152130663be7f 100644 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java @@ -111,6 +111,8 @@ public class ChunkHolder { this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key); } // Paper end - optimise isOutsideOfRange + long lastAutoSaveTime; // Paper - incremental autosave + long inactiveTimeStart; // Paper - incremental autosave public ChunkHolder(ChunkPos pos, int level, LevelHeightAccessor world, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) { this.futures = new AtomicReferenceArray(ChunkHolder.CHUNK_STATUSES.size()); @@ -524,7 +526,19 @@ 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) { int expectCreateCount = ++this.fullChunkCreateCount; // Paper this.fullChunkFuture = chunkStorage.prepareAccessibleChunk(this); @@ -645,9 +659,33 @@ public class ChunkHolder { } public void refreshAccessibility() { + boolean prev = this.wasAccessibleSinceLastSave; // Paper this.wasAccessibleSinceLastSave = ChunkHolder.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 chunk) { for (int i = 0; i < this.futures.length(); ++i) { CompletableFuture> completablefuture = (CompletableFuture) this.futures.get(i); diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java index a1529fef41543486d29271b1de62a6246d07d384..f518fc7a39a807bff2e141fd238ab1bfc34ce890 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -97,6 +97,7 @@ 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; @@ -750,6 +751,64 @@ 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) && this.level.entityManager.storeChunkSections(playerchunk.pos.toLong(), entity -> {})) { + ++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) { Long2ObjectLinkedOpenHashMap visibleChunks = this.getVisibleChunks(); // Paper remove clone of visible Chunks unless saving off main thread (watchdog kill) if (flush) { @@ -888,6 +947,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider asyncSaveData, chunk); chunk.setUnsaved(false); + chunk.setLastSaved(this.level.getGameTime()); // Paper - track last saved time } // Paper end @@ -919,6 +979,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider this.level.unload(chunk); } + this.autoSaveQueue.remove(holder); // Paper this.lightEngine.updateChunkStatus(ichunkaccess.getPos()); this.lightEngine.tryScheduleUpdate(); @@ -1272,6 +1333,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider if (!chunk.isUnsaved()) { return false; } else { + chunk.setLastSaved(this.level.getGameTime()); // Paper - track save time chunk.setUnsaved(false); ChunkPos chunkcoordintpair = chunk.getPos(); diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java index d8bf5a86a3eb0ae3fd6308e817a707ae98961479..ec0a9f46b50280324ae0d2eed208c8f332a5d88d 100644 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java @@ -671,6 +671,15 @@ 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 8ebcd5947688a1f0a8216e934ac90da0e5a8540e..8cd2764e5d07975304b52ec5d995f4e7a9b5ff4d 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -1003,6 +1003,37 @@ 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 = this.timings.worldSave.startTiming()) { + if (doFull) { + this.saveLevelData(); + } + + this.timings.worldSaveChunks.startTiming(); // Paper + if (!this.noSave()) chunkproviderserver.saveIncrementally(); + this.timings.worldSaveChunks.stopTiming(); // Paper + + // 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.convertable.saveDataTag(this.server.registryHolder, this.serverLevelData, this.server.getPlayerList().getSingleplayerData()); + } + // CraftBukkit end + } + } + // Paper end + public void save(@Nullable ProgressListener progressListener, boolean flush, boolean flag1) { ServerChunkCache chunkproviderserver = this.getChunkSource(); diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java index 12d11a249c759e99568a76c791cc0d65adfcfe94..8393950a0b38ec7897d7643803d5accdb1f983f3 100644 --- a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java +++ b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java @@ -29,6 +29,7 @@ public interface ChunkAccess extends BlockGetter, FeatureAccess { return GameEventDispatcher.NOOP; } + default void setLastSaved(long ticks) {} // Paper start default boolean generateFlatBedrock() { if (this.getLevel() != null) { 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 7d33ad1ec939de4527d0acb0915f05870c387565..cc02b577453fa251f0f1b508281ddea2513138a1 100644 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java @@ -108,6 +108,13 @@ public class LevelChunk implements ChunkAccess { private final ShortList[] postProcessing; private TickList blockTicks; private TickList liquidTicks; + // Paper start - track last save time + public long lastSaveTime; + @Override + public void setLastSaved(long ticks) { + this.lastSaveTime = ticks; + } + // Paper end private volatile boolean unsaved; private long inhabitedTime; @Nullable