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Code Issues Projects Releases Wiki Activity

Fix Spigot bug with chunk unloading

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Spigot inserted their Slack Activity Accountant in the wrong location
resulting in a chunk being removed from the unload queue, inserted into
the unload map, but never calling the function to finish the removal....

This caused the chunk to become stuck in the unload map if ever hit, because
the unload map was meant to be a TEMPORARY location while it was saving.

Fix this by abort iteration AFTER the current chunk is finisehd processing

Also, improve how aggressive we are at unloading chunks, targetting 10% per tick instead.
These saves are asynchronous so there should be less of a hit here.
This commit is contained in:
Aikar 2020-05-25 11:08:11 -04:00
parent b6cf80ee66
commit c9795e9221
No known key found for this signature in database
GPG Key ID: 401ADFC9891FAAFE
1 changed files with 34 additions and 13 deletions
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47
Spigot-Server-Patches/0390-Asynchronous-chunk-IO-and-loading.patch
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@ -3107,7 +3107,7 @@ index 52ea4f05a0c7f29f62f31bb032a5ceb905107e60..0f1576effe10795bcb8ed3b519f4dbaf
completablefuture = (CompletableFuture) this.statusFutures.get(i);
if (completablefuture != null) {
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714eeb236bbfa 100644
index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..71ab7537313bbaf29f13ba3fae45bfb8a501429a 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -63,7 +63,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@ -3164,7 +3164,13 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
PlayerChunkMap.LOGGER.info("ThreadedAnvilChunkStorage ({}): All chunks are saved", this.w.getName());
} else {
this.visibleChunks.values().stream().filter(PlayerChunk::hasBeenLoaded).forEach((playerchunk) -> {
@@ -437,11 +439,15 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -432,16 +434,20 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
- private static final double UNLOAD_QUEUE_RESIZE_FACTOR = 0.96; // Spigot
+ private static final double UNLOAD_QUEUE_RESIZE_FACTOR = 0.90; // Spigot // Paper - unload more
protected void unloadChunks(BooleanSupplier booleansupplier) {
GameProfilerFiller gameprofilerfiller = this.world.getMethodProfiler();
@ -3180,7 +3186,22 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
}
gameprofilerfiller.exit();
@@ -481,6 +487,60 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -462,12 +468,13 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
if (playerchunk != null) {
this.pendingUnload.put(j, playerchunk);
this.updatingChunksModified = true;
+ this.a(j, playerchunk); // Paper - Move up - don't leak chunks
// Spigot start
if (!booleansupplier.getAsBoolean() && this.unloadQueue.size() <= targetSize && activityAccountant.activityTimeIsExhausted()) {
break;
}
// Spigot end
- this.a(j, playerchunk);
+ //this.a(j, playerchunk); // Paper - move up because spigot did a dumb
}
}
activityAccountant.endActivity(); // Spigot
@@ -481,6 +488,60 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
@ -3241,7 +3262,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
private void a(long i, PlayerChunk playerchunk) {
CompletableFuture<IChunkAccess> completablefuture = playerchunk.getChunkSave();
Consumer<IChunkAccess> consumer = (ichunkaccess) -> { // CraftBukkit - decompile error
@@ -494,7 +554,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -494,7 +555,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
((Chunk) ichunkaccess).setLoaded(false);
}
@ -3250,7 +3271,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
if (this.loadedChunks.remove(i) && ichunkaccess instanceof Chunk) {
Chunk chunk = (Chunk) ichunkaccess;
@@ -502,6 +562,13 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -502,6 +563,13 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
this.autoSaveQueue.remove(playerchunk); // Paper
@ -3264,7 +3285,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
this.lightEngine.a(ichunkaccess.getPos());
this.lightEngine.queueUpdate();
this.worldLoadListener.a(ichunkaccess.getPos(), (ChunkStatus) null);
@@ -571,27 +638,32 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -571,27 +639,32 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
}
@ -3313,7 +3334,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
} catch (ReportedException reportedexception) {
Throwable throwable = reportedexception.getCause();
@@ -605,7 +677,32 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -605,7 +678,32 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
return Either.left(new ProtoChunk(chunkcoordintpair, ChunkConverter.a, this.world)); // Paper - Anti-Xray - Add parameter
@ -3347,7 +3368,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
}
private CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> b(PlayerChunk playerchunk, ChunkStatus chunkstatus) {
@@ -823,18 +920,43 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -823,18 +921,43 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
return this.u.get();
}
@ -3399,7 +3420,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
ichunkaccess.setLastSaved(this.world.getTime());
ichunkaccess.setNeedsSaving(false);
@@ -845,28 +967,35 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -845,28 +968,35 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
NBTTagCompound nbttagcompound;
if (chunkstatus.getType() != ChunkStatus.Type.LEVELCHUNK) {
@ -3437,7 +3458,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
}
protected void setViewDistance(int i) {
@@ -970,6 +1099,42 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -970,6 +1100,42 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
}
@ -3480,7 +3501,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
@Nullable
public NBTTagCompound readChunkData(ChunkCoordIntPair chunkcoordintpair) throws IOException { // Paper - private -> public
NBTTagCompound nbttagcompound = this.read(chunkcoordintpair);
@@ -992,33 +1157,55 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -992,33 +1158,55 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
// Paper start - chunk status cache "api"
public ChunkStatus getChunkStatusOnDiskIfCached(ChunkCoordIntPair chunkPos) {
@ -3547,7 +3568,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
}
public IChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
@@ -1027,6 +1214,39 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -1027,6 +1215,39 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
// Paper end
@ -3587,7 +3608,7 @@ index 94b0c54d9d4d77b724087be55ffe6ce464a0bbe7..963ce3eeec6f9eea087054ea48b714ee
boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair) {
// Spigot start
return isOutsideOfRange(chunkcoordintpair, false);
@@ -1374,6 +1594,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -1374,6 +1595,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}