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more improvements to expiring map stuff

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Aikar 2018-09-16 03:21:52 -04:00
parent 80ee619035
commit 9860c9c694
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GPG key ID: 401ADFC9891FAAFE
1 changed files with 12 additions and 3 deletions
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15
Spigot-Server-Patches/0372-Fix-major-memory-leaks-in-ExpiringMap.patch
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@ -1,4 +1,4 @@
From 36d303e9b7046708890efc99f68d8dbab88ce4ac Mon Sep 17 00:00:00 2001
From 392e56c668c62dfb7dcc4b4ba99dbba03c210d33 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 16 Sep 2018 00:00:16 -0400
Subject: [PATCH] Fix major memory leaks in ExpiringMap
@ -11,7 +11,7 @@ not run on every manipulation, and instead to run clean
once per tick per expiring map.
diff --git a/src/main/java/net/minecraft/server/ExpiringMap.java b/src/main/java/net/minecraft/server/ExpiringMap.java
index 4006f5a69c..08d41e8cf0 100644
index 4006f5a69c..d64c143017 100644
--- a/src/main/java/net/minecraft/server/ExpiringMap.java
+++ b/src/main/java/net/minecraft/server/ExpiringMap.java
@@ -6,25 +6,120 @@ import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
@ -150,7 +150,7 @@ index 4006f5a69c..08d41e8cf0 100644
-
+ int ttlSize = this.ttl.size();
+ int thisSize = this.size();
+ if (ttlSize != thisSize) {
+ if (ttlSize < thisSize) {
+ if (!hasLeaked) { // log once
+ hasLeaked = true;
+ MinecraftServer.LOGGER.warn("WARNING: ExpiringMap desync (" + ttlSize + ":" + thisSize + ")- Memory leak risk! We will recover from this, but this means there is still a bug. Please do not open an issue about this. Mention it in Discord (we don't need everyone reporting the same thing)");
@ -170,6 +170,15 @@ index 4006f5a69c..08d41e8cf0 100644
}
protected boolean a(T var1) {
@@ -51,7 +164,7 @@ public class ExpiringMap<T> extends Long2ObjectOpenHashMap<T> {
}
public T get(long i) {
- this.a(i);
+ if (ttl.containsKey(i)) this.setAccess(i); // Paper
return (T)super.get(i);
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 80e8b023cf..70a609efcc 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java