PaperMC/patches/server-unmapped/0239-Use-asynchronous-Log4j-2-loggers.patch
2021-06-11 14:02:28 +02:00

55 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Minecrell <minecrell@minecrell.net>
Date: Tue, 17 Jul 2018 16:42:17 +0200
Subject: [PATCH] Use asynchronous Log4j 2 loggers
diff --git a/pom.xml b/pom.xml
index f5429f2f1979542fd93956d2f436d20d0e3a66b8..4c8a057e790c96b0ab5123549d0566371acacb46 100644
--- a/pom.xml
+++ b/pom.xml
@@ -88,6 +88,13 @@
<artifactId>log4j-iostreams</artifactId>
<scope>compile</scope>
</dependency>
+ <!-- Paper - Async loggers -->
+ <dependency>
+ <groupId>com.lmax</groupId>
+ <artifactId>disruptor</artifactId>
+ <version>3.4.2</version>
+ <scope>runtime</scope>
+ </dependency>
<dependency>
<groupId>org.ow2.asm</groupId>
<artifactId>asm</artifactId>
diff --git a/src/main/java/com/destroystokyo/paper/log/LogFullPolicy.java b/src/main/java/com/destroystokyo/paper/log/LogFullPolicy.java
new file mode 100644
index 0000000000000000000000000000000000000000..db652a1f7abc80bc751fd94925abaec58ab1a563
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/log/LogFullPolicy.java
@@ -0,0 +1,17 @@
+package com.destroystokyo.paper.log;
+
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.core.async.AsyncQueueFullPolicy;
+import org.apache.logging.log4j.core.async.EventRoute;
+
+public final class LogFullPolicy implements AsyncQueueFullPolicy {
+
+ /*
+ * Prevents log calls being logged out of order when the log queue is full.
+ */
+
+ @Override
+ public EventRoute getRoute(final long backgroundThreadId, final Level level) {
+ return EventRoute.ENQUEUE;
+ }
+}
diff --git a/src/main/resources/log4j2.component.properties b/src/main/resources/log4j2.component.properties
index 0694b21465fb9e4164e71862ff24b62241b191f2..30efeb5faf8e7faccf1b252fa0ed6a9fc31c40a7 100644
--- a/src/main/resources/log4j2.component.properties
+++ b/src/main/resources/log4j2.component.properties
@@ -1 +1,3 @@
+Log4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector
+log4j2.AsyncQueueFullPolicy="com.destroystokyo.paper.log.LogFullPolicy"
log4j.skipJansi=true