40 lines
2.0 KiB
Diff
40 lines
2.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Antony Riley <antony@cyberiantiger.org>
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Date: Tue, 29 Mar 2016 08:22:55 +0300
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Subject: [PATCH] Sanitise RegionFileCache and make configurable.
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RegionFileCache prior to this patch would close every single open region
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file upon reaching a size of 256.
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This patch modifies that behaviour so it closes the the least recently
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used RegionFile.
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The implementation uses a LinkedHashMap as an LRU cache (modified from HashMap).
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The maximum size of the RegionFileCache is also made configurable.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index 2ef80a4c2d75728dbf293962426994d00c2f0e2f..21f75d3bbaf16e4970b5d11a223ff7eeca66d148 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -219,4 +219,9 @@ public class PaperConfig {
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private static void loadPermsBeforePlugins() {
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loadPermsBeforePlugins = getBoolean("settings.load-permissions-yml-before-plugins", true);
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}
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+
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+ public static int regionFileCacheSize = 256;
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+ private static void regionFileCacheSize() {
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+ regionFileCacheSize = Math.max(getInt("settings.region-file-cache-size", 256), 4);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
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index 26fabb4e5d3945ace851cf6e4474e91611c45b1d..6be04e230fe96c1f2345a00de4f648d9eb712a82 100644
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--- a/src/main/java/net/minecraft/server/RegionFileCache.java
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+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
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@@ -28,7 +28,7 @@ public final class RegionFileCache implements AutoCloseable {
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if (regionfile != null) {
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return regionfile;
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} else {
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- if (this.cache.size() >= 256) {
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+ if (this.cache.size() >= com.destroystokyo.paper.PaperConfig.regionFileCacheSize) { // Paper - configurable
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((RegionFile) this.cache.removeLast()).close();
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}
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