2dd8623548
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes: 7033f180 Hoist out synchronisation from ChunkRegionLoader Spigot Changes: 500ff5d4 Rebuild patches Additional Paper changes: Fixed Versioned World Folders to not synchronize on ChunkRegionLoader Optimized Save Queue even more to use a Long2ObjectOpenHashmap for save map Add World#getXIfLoaded to IWorldReader to expose it to more places
94 lines
4.7 KiB
Diff
94 lines
4.7 KiB
Diff
From 71c127a8ceda8537198adecb9db62402cb66b25d Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Fri, 4 Nov 2016 02:12:10 -0400
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Subject: [PATCH] Chunk Save Stats Debug Option
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Adds a command line flag to enable stats on how chunk saves are processing.
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Stats on current queue, how many was processed and how many were queued.
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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 8acbd7bbff..edb4f2bb65 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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@@ -30,6 +30,11 @@ public class ChunkProviderServer implements IChunkProvider {
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public final LongSet unloadQueue = new LongOpenHashSet();
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public final ChunkGenerator<?> chunkGenerator;
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private final IChunkLoader chunkLoader;
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+ // Paper start - chunk save stats
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+ private long lastQueuedSaves = 0L; // Paper
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+ private long lastProcessedSaves = 0L; // Paper
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+ private long lastSaveStatPrinted = System.currentTimeMillis();
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+ // Paper end
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public final Long2ObjectMap<Chunk> chunks = Long2ObjectMaps.synchronize(new ChunkMap(8192));
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private Chunk lastChunk;
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private final ChunkTaskScheduler chunkScheduler;
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@@ -237,6 +242,29 @@ public class ChunkProviderServer implements IChunkProvider {
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// Paper start
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final ChunkRegionLoader chunkLoader = (ChunkRegionLoader) world.getChunkProviderServer().chunkLoader;
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final int queueSize = chunkLoader.getQueueSize();
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+
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+ final long now = System.currentTimeMillis();
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+ final long timeSince = (now - lastSaveStatPrinted) / 1000;
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+ final Integer printRateSecs = Integer.getInteger("printSaveStats");
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+ if (printRateSecs != null && timeSince >= printRateSecs) {
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+ final String timeStr = "/" + timeSince +"s";
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+ final long queuedSaves = chunkLoader.getQueuedSaves();
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+ long queuedDiff = queuedSaves - lastQueuedSaves;
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+ lastQueuedSaves = queuedSaves;
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+
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+ final long processedSaves = chunkLoader.getProcessedSaves();
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+ long processedDiff = processedSaves - lastProcessedSaves;
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+ lastProcessedSaves = processedSaves;
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+
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+ lastSaveStatPrinted = now;
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+ if (processedDiff > 0 || queueSize > 0 || queuedDiff > 0) {
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+ System.out.println("[Chunk Save Stats] " + world.worldData.getName() +
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+ " - Current: " + queueSize +
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+ " - Queued: " + queuedDiff + timeStr +
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+ " - Processed: " +processedDiff + timeStr
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+ );
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+ }
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+ }
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if (queueSize > world.paperConfig.queueSizeAutoSaveThreshold){
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return false;
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}
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index fc8f7574cf..94ed728c0e 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -148,7 +148,13 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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}
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- public int getQueueSize() { return queue.size(); } // Paper
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+ // Paper start
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+ private long queuedSaves = 0;
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+ private final java.util.concurrent.atomic.AtomicLong processedSaves = new java.util.concurrent.atomic.AtomicLong(0L);
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+ public int getQueueSize() { return queue.size(); }
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+ public long getQueuedSaves() { return queuedSaves; }
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+ public long getProcessedSaves() { return processedSaves.longValue(); }
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+ // Paper end
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// CraftBukkit start - Add async variant, provide compatibility
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@Nullable
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@@ -340,6 +346,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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protected void a(ChunkCoordIntPair chunkcoordintpair, Supplier<NBTTagCompound> nbttagcompound) { // Spigot
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this.saveMap.put(chunkcoordintpair.asLong(), nbttagcompound); // Paper
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queue.add(new QueuedChunk(chunkcoordintpair, nbttagcompound)); // Paper - Chunk queue improvements
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+ queuedSaves++; // Paper
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FileIOThread.a().a(this);
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}
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@@ -367,6 +374,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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// Paper end
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ChunkCoordIntPair chunkcoordintpair = chunk.coords; // Paper - Chunk queue improvements
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Supplier<NBTTagCompound> nbttagcompound = chunk.compoundSupplier; // Spigot // Paper
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+ processedSaves.incrementAndGet(); // Paper
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if (nbttagcompound == null) {
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return true;
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--
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2.18.0
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