e4602b6d48
This patch appears to be no longer relevant, and is seemingly a leading cause of datapack performance being horrific
59 lines
2 KiB
Diff
59 lines
2 KiB
Diff
From e7ee3e6490bc87b238ba0fcb8cd1839abbf4d6a3 Mon Sep 17 00:00:00 2001
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From: Minecrell <minecrell@minecrell.net>
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Date: Tue, 17 Jul 2018 16:42:17 +0200
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Subject: [PATCH] Use asynchronous Log4j 2 loggers
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diff --git a/pom.xml b/pom.xml
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index 6f2fe9c26..55679af92 100644
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--- a/pom.xml
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+++ b/pom.xml
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@@ -74,6 +74,13 @@
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<artifactId>log4j-iostreams</artifactId>
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<version>2.8.1</version>
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</dependency>
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+ <!-- Paper - Async loggers -->
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+ <dependency>
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+ <groupId>com.lmax</groupId>
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+ <artifactId>disruptor</artifactId>
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+ <version>3.4.2</version>
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+ <scope>runtime</scope>
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+ </dependency>
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<dependency>
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<groupId>org.ow2.asm</groupId>
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<artifactId>asm</artifactId>
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diff --git a/src/main/java/com/destroystokyo/paper/log/LogFullPolicy.java b/src/main/java/com/destroystokyo/paper/log/LogFullPolicy.java
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new file mode 100644
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index 000000000..db652a1f7
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/log/LogFullPolicy.java
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@@ -0,0 +1,17 @@
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+package com.destroystokyo.paper.log;
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+
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+import org.apache.logging.log4j.Level;
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+import org.apache.logging.log4j.core.async.AsyncQueueFullPolicy;
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+import org.apache.logging.log4j.core.async.EventRoute;
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+
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+public final class LogFullPolicy implements AsyncQueueFullPolicy {
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+
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+ /*
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+ * Prevents log calls being logged out of order when the log queue is full.
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+ */
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+
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+ @Override
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+ public EventRoute getRoute(final long backgroundThreadId, final Level level) {
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+ return EventRoute.ENQUEUE;
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+ }
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+}
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diff --git a/src/main/resources/log4j2.component.properties b/src/main/resources/log4j2.component.properties
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index 0694b2146..30efeb5fa 100644
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--- a/src/main/resources/log4j2.component.properties
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+++ b/src/main/resources/log4j2.component.properties
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@@ -1 +1,3 @@
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+Log4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector
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+log4j2.AsyncQueueFullPolicy="com.destroystokyo.paper.log.LogFullPolicy"
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log4j.skipJansi=true
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--
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2.25.1
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