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Temporarily remove synchronization from UserCache optimizations

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In regards to GH-301
This commit is contained in:
Zach Brown 2016-05-22 21:07:40 -05:00
parent be3daf857b
commit aaf6c3f329
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GPG key ID: CC9DA35FC5450B76
1 changed files with 4 additions and 31 deletions
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35
Spigot-Server-Patches/0156-Optimize-UserCache-Thread-Safe.patch
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@ -1,4 +1,4 @@
From 594c3b6dba4fae26e7b1da595b77b23bc3cbacf8 Mon Sep 17 00:00:00 2001
From a16fb3ba3001e1a330a3b2aeae75a89870d69d33 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 16 May 2016 20:47:41 -0400
Subject: [PATCH] Optimize UserCache / Thread Safe
@ -23,18 +23,9 @@ index ec9f037..7e7ec23 100644
// Spigot end
}
diff --git a/src/main/java/net/minecraft/server/UserCache.java b/src/main/java/net/minecraft/server/UserCache.java
index 5cc2731..f4bc9db 100644
index 5cc2731..4fde2de 100644
--- a/src/main/java/net/minecraft/server/UserCache.java
+++ b/src/main/java/net/minecraft/server/UserCache.java
@@ -108,7 +108,7 @@ public class UserCache {
this.a(gameprofile, (Date) null);
}
- private void a(GameProfile gameprofile, Date date) {
+ private synchronized void a(GameProfile gameprofile, Date date) { // Paper - synchronize
UUID uuid = gameprofile.getId();
if (date == null) {
@@ -122,8 +122,9 @@ public class UserCache {
String s = gameprofile.getName().toLowerCase(Locale.ROOT);
UserCache.UserCacheEntry usercache_usercacheentry = new UserCache.UserCacheEntry(gameprofile, date, null);
@ -46,24 +37,6 @@ index 5cc2731..f4bc9db 100644
this.d.remove(usercache_usercacheentry1.a().getName().toLowerCase(Locale.ROOT));
this.f.remove(gameprofile);
@@ -136,7 +137,7 @@ public class UserCache {
}
@Nullable
- public GameProfile getProfile(String s) {
+ public synchronized GameProfile getProfile(String s) { // Paper - synchronize
String s1 = s.toLowerCase(Locale.ROOT);
UserCache.UserCacheEntry usercache_usercacheentry = (UserCache.UserCacheEntry) this.d.get(s1);
@@ -165,7 +166,7 @@ public class UserCache {
return usercache_usercacheentry == null ? null : usercache_usercacheentry.a();
}
- public String[] a() {
+ public synchronized String[] a() { // Paper - synchronize
ArrayList arraylist = Lists.newArrayList(this.d.keySet());
return (String[]) arraylist.toArray(new String[arraylist.size()]);
@@ -227,8 +228,15 @@ public class UserCache {
}
@ -75,7 +48,7 @@ index 5cc2731..f4bc9db 100644
+ public void c(boolean asyncSave) {
+ // Paper end
String s = this.b.toJson(this.a(org.spigotmc.SpigotConfig.userCacheCap));
+ Runnable save = () -> { synchronized (this.h) { // Paper - ensure only 1 file is writing at same time by syncing to the FD
+ Runnable save = () -> { // Paper - ensure only 1 file is writing at same time by syncing to the FD // ¯\_(ツ)_/¯
+
BufferedWriter bufferedwriter = null;
@ -85,7 +58,7 @@ index 5cc2731..f4bc9db 100644
IOUtils.closeQuietly(bufferedwriter);
}
+ // Paper start
+ }};
+ };
+ if (asyncSave) {
+ MCUtil.scheduleAsyncTask(save);
+ } else {