papermc/Spigot-Server-Patches/0144-Chunk-Save-Stats-Debug-Option.patch
Shane Freeder b9badbf2bc
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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

Bukkit Changes:
79f6ba25 Skip tests on default builds
b85cc32f Further discourage World.regenerateChunk

CraftBukkit Changes:
7560d3b5 Skip tests on default builds
d0a9130d SPIGOT-4563: Fix regenerating chunks saved to disk already

Spigot Changes:
8173d06f Remove need for redundant second clone of repositories
8ede0393 Rebuild patches
2019-01-04 19:19:36 +00:00

93 lines
4.7 KiB
Diff

From fa2b0c5fa02d4b14d6efaed6d377ba7366964ca8 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 4 Nov 2016 02:12:10 -0400
Subject: [PATCH] Chunk Save Stats Debug Option
Adds a command line flag to enable stats on how chunk saves are processing.
Stats on current queue, how many was processed and how many were queued.
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 9b5908a5b..299776728 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -28,6 +28,11 @@ public class ChunkProviderServer implements IChunkProvider {
public final LongSet unloadQueue = new LongOpenHashSet();
public final ChunkGenerator<?> chunkGenerator;
public final IChunkLoader chunkLoader;
+ // Paper start - chunk save stats
+ private long lastQueuedSaves = 0L; // Paper
+ private long lastProcessedSaves = 0L; // Paper
+ private long lastSaveStatPrinted = System.currentTimeMillis();
+ // Paper end
public final Long2ObjectMap<Chunk> chunks = Long2ObjectMaps.synchronize(new ChunkMap(8192));
private Chunk lastChunk;
private final ChunkTaskScheduler chunkScheduler;
@@ -239,6 +244,29 @@ public class ChunkProviderServer implements IChunkProvider {
// Paper start
final ChunkRegionLoader chunkLoader = (ChunkRegionLoader) world.getChunkProvider().chunkLoader;
final int queueSize = chunkLoader.getQueueSize();
+
+ final long now = System.currentTimeMillis();
+ final long timeSince = (now - lastSaveStatPrinted) / 1000;
+ final Integer printRateSecs = Integer.getInteger("printSaveStats");
+ if (printRateSecs != null && timeSince >= printRateSecs) {
+ final String timeStr = "/" + timeSince +"s";
+ final long queuedSaves = chunkLoader.getQueuedSaves();
+ long queuedDiff = queuedSaves - lastQueuedSaves;
+ lastQueuedSaves = queuedSaves;
+
+ final long processedSaves = chunkLoader.getProcessedSaves();
+ long processedDiff = processedSaves - lastProcessedSaves;
+ lastProcessedSaves = processedSaves;
+
+ lastSaveStatPrinted = now;
+ if (processedDiff > 0 || queueSize > 0 || queuedDiff > 0) {
+ System.out.println("[Chunk Save Stats] " + world.worldData.getName() +
+ " - Current: " + queueSize +
+ " - Queued: " + queuedDiff + timeStr +
+ " - Processed: " +processedDiff + timeStr
+ );
+ }
+ }
if (!flag && queueSize > world.paperConfig.queueSizeAutoSaveThreshold){
return false;
}
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index adfb5d056..0fc4d9f52 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -156,7 +156,13 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
}
- public int getQueueSize() { return queue.size(); } // Paper
+ // Paper start
+ private long queuedSaves = 0;
+ private final java.util.concurrent.atomic.AtomicLong processedSaves = new java.util.concurrent.atomic.AtomicLong(0L);
+ public int getQueueSize() { return queue.size(); }
+ public long getQueuedSaves() { return queuedSaves; }
+ public long getProcessedSaves() { return processedSaves.longValue(); }
+ // Paper end
// CraftBukkit start - Add async variant, provide compatibility
@Nullable
@@ -348,6 +354,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
protected void a(ChunkCoordIntPair chunkcoordintpair, Supplier<NBTTagCompound> nbttagcompound) { // Spigot
this.saveMap.put(chunkcoordintpair.asLong(), nbttagcompound); // Paper
queue.add(new QueuedChunk(chunkcoordintpair, nbttagcompound)); // Paper - Chunk queue improvements
+ queuedSaves++; // Paper
FileIOThread.a().a(this);
}
@@ -375,6 +382,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
// Paper end
ChunkCoordIntPair chunkcoordintpair = chunk.coords; // Paper - Chunk queue improvements
Supplier<NBTTagCompound> nbttagcompound = chunk.compoundSupplier; // Spigot // Paper
+ processedSaves.incrementAndGet(); // Paper
if (nbttagcompound == null) {
return true;
--
2.20.1