82 lines
3.2 KiB
Diff
82 lines
3.2 KiB
Diff
From d0dba984a2e9a3fecae37744ba0a15c0d96aeb9f Mon Sep 17 00:00:00 2001
|
|
From: Antony Riley <antony@cyberiantiger.org>
|
|
Date: Tue, 29 Mar 2016 08:22:55 +0300
|
|
Subject: [PATCH] Sanitise RegionFileCache and make configurable.
|
|
|
|
RegionFileCache prior to this patch would close every single open region
|
|
file upon reaching a size of 256.
|
|
This patch modifies that behaviour so it closes the the least recently
|
|
used RegionFile.
|
|
The implementation uses a LinkedHashMap as an LRU cache (modified from HashMap).
|
|
The maximum size of the RegionFileCache is also made configurable.
|
|
|
|
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
|
|
index 5a9e032..cd25fb8 100644
|
|
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
|
|
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
|
|
@@ -185,4 +185,9 @@ public class PaperConfig {
|
|
public static void healthDeath() {
|
|
setHealthBeforeDeathEvent = getBoolean("settings.set-health-before-death-event", false);
|
|
}
|
|
+
|
|
+ public static int regionFileCacheSize = 256;
|
|
+ private static void regionFileCacheSize() {
|
|
+ regionFileCacheSize = getInt("settings.region-file-cache-size", 256);
|
|
+ }
|
|
}
|
|
diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
|
|
index 5eb01c3..9744e72 100644
|
|
--- a/src/main/java/net/minecraft/server/RegionFileCache.java
|
|
+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
|
|
@@ -8,10 +8,12 @@ import java.io.File;
|
|
import java.io.IOException;
|
|
import java.util.Iterator;
|
|
import java.util.Map;
|
|
+import com.destroystokyo.paper.PaperConfig; // Paper
|
|
+import java.util.LinkedHashMap; // Paper
|
|
|
|
public class RegionFileCache {
|
|
|
|
- public static final Map<File, RegionFile> a = Maps.newHashMap(); // Spigot - private -> public
|
|
+ public static final Map<File, RegionFile> a = new LinkedHashMap(PaperConfig.regionFileCacheSize, 0.75f, true); // Spigot - private -> public, Paper - HashMap -> LinkedHashMap
|
|
|
|
// Paper start
|
|
public static synchronized RegionFile a(File file, int i, int j) {
|
|
@@ -32,8 +34,8 @@ public class RegionFileCache {
|
|
file1.mkdirs();
|
|
}
|
|
|
|
- if (RegionFileCache.a.size() >= 256) {
|
|
- a();
|
|
+ if (RegionFileCache.a.size() >= PaperConfig.regionFileCacheSize) { // Paper
|
|
+ trimCache(); // Paper
|
|
}
|
|
|
|
RegionFile regionfile1 = new RegionFile(file2);
|
|
@@ -43,6 +45,22 @@ public class RegionFileCache {
|
|
}
|
|
}
|
|
|
|
+ // Paper Start
|
|
+ private static synchronized void trimCache() {
|
|
+ Iterator<Map.Entry<File, RegionFile>> itr = RegionFileCache.a.entrySet().iterator();
|
|
+ int count = RegionFileCache.a.size() - PaperConfig.regionFileCacheSize;
|
|
+ while (count-- >= 0 && itr.hasNext()) {
|
|
+ try {
|
|
+ itr.next().getValue().c();
|
|
+ } catch (IOException ioexception) {
|
|
+ ioexception.printStackTrace();
|
|
+ ServerInternalException.reportInternalException(ioexception);
|
|
+ }
|
|
+ itr.remove();
|
|
+ }
|
|
+ }
|
|
+ // Paper End
|
|
+
|
|
public static synchronized void a() {
|
|
Iterator iterator = RegionFileCache.a.values().iterator();
|
|
|
|
--
|
|
2.8.0
|
|
|