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Improve spawn loading and debug output for waiting on a chunk (#2595)

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Spawn loading has been changed to use getChunkAt calls to manually
load chunks since watchdog can watch these calls and so we guard
against plugins/players changing the radius of a spawn while it's
loading

Debug output has been improved to note the status of the currently
waiting chunk
This commit is contained in:
Spottedleaf
2019-09-29 18:23:09 -07:00
parent fe0c5d9dc6
commit b0601574e0
3 changed files with 55 additions and 23 deletions
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31
Spigot-Server-Patches/Asynchronous-chunk-IO-and-loading.patch
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@@ -1901,7 +1901,7 @@ index 0000000000..1dfa8abfd8
+}
diff --git a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
new file mode 100644
index 0000000000..1d69715e26
index 0000000000..59d73bfad7
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
@@ -0,0 +0,0 @@
@@ -1992,12 +1992,24 @@ index 0000000000..1d69715e26
+ PaperFileIOThread.LOGGER.log(Level.ERROR, "Chunk wait task info below: ");
+
+ for (final ChunkInfo chunkInfo : WAITING_CHUNKS) {
+ final ChunkLoadTask loadTask = chunkInfo.world.asyncChunkTaskManager.chunkLoadTasks.get(IOUtil.getCoordinateKey(chunkInfo.chunkX, chunkInfo.chunkZ));
+ final ChunkSaveTask saveTask = chunkInfo.world.asyncChunkTaskManager.chunkSaveTasks.get(IOUtil.getCoordinateKey(chunkInfo.chunkX, chunkInfo.chunkZ));
+ final long key = IOUtil.getCoordinateKey(chunkInfo.chunkX, chunkInfo.chunkZ);
+ final ChunkLoadTask loadTask = chunkInfo.world.asyncChunkTaskManager.chunkLoadTasks.get(key);
+ final ChunkSaveTask saveTask = chunkInfo.world.asyncChunkTaskManager.chunkSaveTasks.get(key);
+
+ PaperFileIOThread.LOGGER.log(Level.ERROR, chunkInfo.chunkX + "," + chunkInfo.chunkZ + " in '" + chunkInfo.world.getWorld().getName() + ":");
+ PaperFileIOThread.LOGGER.log(Level.ERROR, "Load Task - " + (loadTask == null ? "none" : loadTask.toString()));
+ PaperFileIOThread.LOGGER.log(Level.ERROR, "Save Task - " + (saveTask == null ? "none" : saveTask.toString()));
+ // log current status of chunk to indicate whether we're waiting on generation or loading
+ net.minecraft.server.PlayerChunk chunkHolder = chunkInfo.world.getChunkProvider().playerChunkMap.getVisibleChunk(key);
+
+ if (chunkHolder == null) {
+ PaperFileIOThread.LOGGER.log(Level.ERROR, "Chunk Holder - null");
+ } else {
+ IChunkAccess chunk = chunkHolder.getAvailableChunkNow();
+ PaperFileIOThread.LOGGER.log(Level.ERROR, "Chunk Holder - non-null");
+ PaperFileIOThread.LOGGER.log(Level.ERROR, "Chunk Status - " + ((chunk == null) ? "null chunk" : chunk.getChunkStatus().toString()));
+ }
+
+ }
+ }
+ }
@@ -2897,7 +2909,7 @@ index 23d1935dd5..14f8b61042 100644
+ }
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index ccf359dff1..a256f043ad 100644
index 5238a1a7ca..0b00581382 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -0,0 +0,0 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -2947,7 +2959,7 @@ index af934ef8bc..34d0ab0d5e 100644
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 fd0d2b6e67..9daf64bad4 100644
index fd0d2b6e67..31d106f951 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -0,0 +0,0 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -2977,6 +2989,15 @@ index fd0d2b6e67..9daf64bad4 100644
this.setViewDistance(i);
}
@@ -0,0 +0,0 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
@Nullable
- protected PlayerChunk getVisibleChunk(long i) {
+ public PlayerChunk getVisibleChunk(long i) { // Paper - protected -> public
return (PlayerChunk) this.visibleChunks.get(i);
}
@@ -0,0 +0,0 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@Override
public void close() throws IOException {