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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-11-15 04:20:04 +01:00
Paper/Spigot-Server-Patches/0098-Reduce-IO-ops-opening-a-new-region-file.patch
Aikar 5719e128fa
Updated Upstream (Spigot)
This brings in Spigots Oversized Chunks fix so that servers migrating from
Spigot 1.12 to Paper 1.12 can safely transition the save formats.

Spigot Changes:
79a30d7d Allow Saving Large Chunks
2019-02-23 16:31:43 -05:00

54 Zeilen
1.8 KiB
Diff

From 65277bb5c79ac221f24ca1bded6e71b69f559815 Mon Sep 17 00:00:00 2001
From: Antony Riley <antony@cyberiantiger.org>
Date: Tue, 29 Mar 2016 06:56:23 +0300
Subject: [PATCH] Reduce IO ops opening a new region file.
diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
index c3424a35..eac8b22b 100644
--- a/src/main/java/net/minecraft/server/RegionFile.java
+++ b/src/main/java/net/minecraft/server/RegionFile.java
@@ -8,9 +8,12 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
+import java.io.EOFException;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.IntBuffer;
import java.util.List;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.GZIPInputStream;
@@ -72,8 +75,16 @@ public class RegionFile {
int k;
+ // Paper Start
+ ByteBuffer header = ByteBuffer.allocate(8192);
+ while (header.hasRemaining()) {
+ if (this.c.getChannel().read(header) == -1) throw new EOFException();
+ }
+ header.clear();
+ IntBuffer headerAsInts = header.asIntBuffer();
+ // Paper End
for (j = 0; j < 1024; ++j) {
- k = this.c.readInt();
+ k = headerAsInts.get(); // Paper
this.d[j] = k;
// Spigot start
int length = k & 255;
@@ -99,7 +110,7 @@ public class RegionFile {
}
for (j = 0; j < 1024; ++j) {
- k = this.c.readInt();
+ k = headerAsInts.get(); // Paper
this.e[j] = k;
}
} catch (IOException ioexception) {
--
2.20.1