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https://github.com/PaperMC/Paper.git
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4f7a858bd6
c2d29a73 PlayerElytraBoostEvent (BillyGalbreath)
* pull/1248/head:
PlayerElytraBoostEvent
Also merged paper config into parent
82 Zeilen
3.3 KiB
Diff
82 Zeilen
3.3 KiB
Diff
From fd6ccdfc2049340dd24439852e20e25a9dd7c9bb 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 40c5ea474..7d29ad369 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 = getInt("settings.region-file-cache-size", 256);
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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 ff473a263..3b8d01ea1 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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@@ -9,10 +9,12 @@ import java.io.IOException;
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import java.util.Iterator;
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import java.util.Map;
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import javax.annotation.Nullable;
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+import com.destroystokyo.paper.PaperConfig; // Paper
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+import java.util.LinkedHashMap; // Paper
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public class RegionFileCache {
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- public static final Map<File, RegionFile> a = Maps.newHashMap(); // Spigot - private -> public
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+ public static final Map<File, RegionFile> a = new LinkedHashMap(PaperConfig.regionFileCacheSize, 0.75f, true); // Spigot - private -> public, Paper - HashMap -> LinkedHashMap
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public static synchronized RegionFile a(File file, int i, int j) {
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File file1 = new File(file, "region");
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@@ -26,8 +28,8 @@ public class RegionFileCache {
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file1.mkdirs();
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}
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- if (RegionFileCache.a.size() >= 256) {
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- a();
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+ if (RegionFileCache.a.size() >= PaperConfig.regionFileCacheSize) { // Paper
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+ trimCache(); // Paper
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}
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RegionFile regionfile1 = new RegionFile(file2);
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@@ -58,6 +60,22 @@ public class RegionFileCache {
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}
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}
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+ // Paper Start
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+ private static synchronized void trimCache() {
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+ Iterator<Map.Entry<File, RegionFile>> itr = RegionFileCache.a.entrySet().iterator();
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+ int count = RegionFileCache.a.size() - PaperConfig.regionFileCacheSize;
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+ while (count-- >= 0 && itr.hasNext()) {
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+ try {
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+ itr.next().getValue().c();
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+ } catch (IOException ioexception) {
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+ ioexception.printStackTrace();
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+ ServerInternalException.reportInternalException(ioexception);
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+ }
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+ itr.remove();
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+ }
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+ }
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+ // Paper End
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+
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public static synchronized void a() {
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Iterator iterator = RegionFileCache.a.values().iterator();
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--
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2.18.0
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