95 lines
4.4 KiB
Diff
95 lines
4.4 KiB
Diff
From deb93a88dc54ae8e37230bcdd14ba69d941ff82e 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 2b87329f4..73554a518 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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@@ -28,6 +28,11 @@ public class ChunkProviderServer implements IChunkProvider {
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public final Set<Long> unloadQueue = Sets.newHashSet();
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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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// Paper start
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protected Chunk lastChunkByPos = null;
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public Long2ObjectOpenHashMap<Chunk> chunks = new Long2ObjectOpenHashMap<Chunk>(8192) {
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@@ -257,6 +262,30 @@ 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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+
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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 77943821e..14f88e91d 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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@@ -39,7 +39,13 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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this.e = dataconvertermanager;
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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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@@ -163,6 +169,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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synchronized (lock) { // Paper - Chunk queue improvements
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this.b.put(chunkcoordintpair, nbttagcompound);
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}
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+ queuedSaves++; // Paper
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queue.add(new QueuedChunk(chunkcoordintpair, nbttagcompound)); // Paper - Chunk queue improvements
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FileIOThread.a().a(this);
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@@ -187,6 +194,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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return false;
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} else {
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ChunkCoordIntPair chunkcoordintpair = chunk.coords; // Paper - Chunk queue improvements
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+ processedSaves.incrementAndGet(); // Paper
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boolean flag;
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--
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2.16.1
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