Fix Light Thread causing world memory leak - Fixes #4045

This commit is contained in:
Aikar 2020-08-06 20:02:20 -04:00
parent 6742309074
commit 6f66fa5714
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@ -1342,16 +1342,24 @@ index 446c401b3139f8c6c0e70d883340f0140d94b752..c14cdb60243e16810ad711d204678d51
if (getCurrentPriority() != priority) {
this.v.a(this.location, this::getCurrentPriority, priority, this::setPriority); // use preferred priority
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index a35b161035dd26e437f5c49fd650802281aa66a1..5c5ee28f2349ea4cdb90bdca947a736483c43b2b 100644
index a35b161035dd26e437f5c49fd650802281aa66a1..03a79ff9929d0df6b5a2da9d86a31c0c67a4b8cf 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -306,7 +306,15 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -275,6 +275,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
// Paper end
+ private final java.util.concurrent.ExecutorService lightThread;
public PlayerChunkMap(WorldServer worldserver, Convertable.ConversionSession convertable_conversionsession, DataFixer datafixer, DefinedStructureManager definedstructuremanager, Executor executor, IAsyncTaskHandler<Runnable> iasynctaskhandler, ILightAccess ilightaccess, ChunkGenerator chunkgenerator, WorldLoadListener worldloadlistener, Supplier<WorldPersistentData> supplier, int i, boolean flag) {
super(new File(convertable_conversionsession.a(worldserver.getDimensionKey()), "region"), datafixer, flag);
//this.visibleChunks = this.updatingChunks.clone(); // Paper - no more cloning
@@ -306,7 +307,15 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
Mailbox<Runnable> mailbox = Mailbox.a("main", iasynctaskhandler::a);
this.worldLoadListener = worldloadlistener;
- ThreadedMailbox<Runnable> lightthreaded; ThreadedMailbox<Runnable> threadedmailbox1 = lightthreaded = ThreadedMailbox.a(executor, "light"); // Paper
+ // Paper start - use light thread
+ ThreadedMailbox<Runnable> lightthreaded; ThreadedMailbox<Runnable> threadedmailbox1 = lightthreaded = ThreadedMailbox.a(java.util.concurrent.Executors.newSingleThreadExecutor(r -> {
+ ThreadedMailbox<Runnable> lightthreaded; ThreadedMailbox<Runnable> threadedmailbox1 = lightthreaded = ThreadedMailbox.a(lightThread = java.util.concurrent.Executors.newSingleThreadExecutor(r -> {
+ Thread thread = new Thread(r);
+ thread.setName(((WorldDataServer)world.getWorldData()).getName() + " - Light");
+ thread.setDaemon(true);
@ -1362,7 +1370,7 @@ index a35b161035dd26e437f5c49fd650802281aa66a1..5c5ee28f2349ea4cdb90bdca947a7364
this.p = new ChunkTaskQueueSorter(ImmutableList.of(threadedmailbox, mailbox, threadedmailbox1), executor, Integer.MAX_VALUE);
this.mailboxWorldGen = this.p.a(threadedmailbox, false);
@@ -652,6 +660,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -652,6 +661,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
// Paper end
}
@ -1370,6 +1378,14 @@ index a35b161035dd26e437f5c49fd650802281aa66a1..5c5ee28f2349ea4cdb90bdca947a7364
protected IntSupplier c(long i) {
return () -> {
PlayerChunk playerchunk = this.getVisibleChunk(i);
@@ -779,6 +789,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@Override
public void close() throws IOException {
try {
+ this.lightThread.shutdown(); // Paper
this.p.close();
this.world.asyncChunkTaskManager.close(true); // Paper - Required since we're closing regionfiles in the next line
this.m.close();
diff --git a/src/main/java/net/minecraft/server/ThreadedMailbox.java b/src/main/java/net/minecraft/server/ThreadedMailbox.java
index 35f4d2d9591e625ab0bbeab7b606761e74965eec..cd30215dc098068ae034117c409cb295ebca58c1 100644
--- a/src/main/java/net/minecraft/server/ThreadedMailbox.java