patches/server/0381-Hide-sync-chunk-writes-behind-flag.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 26 Jun 2020 22:35:08 -0700
Subject: [PATCH] Hide sync chunk writes behind flag

Syncing writes on each write call has terrible performance
on harddrives.

-DPaper.enable-sync-chunk-writes=true to enable

diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServerProperties.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServerProperties.java
index 502e5386ec4306de93148266f60810ec52ae5ab2..9d10cdacb3aed2c00dc60aeb6f2cbeb48905e21f 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServerProperties.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServerProperties.java
@@ -145,7 +145,7 @@ public class DedicatedServerProperties extends Settings<DedicatedServerPropertie
         this.maxWorldSize = this.get("max-world-size", (integer) -> {
             return Mth.clamp(integer, 1, 29999984);
         }, 29999984);
-        this.syncChunkWrites = this.get("sync-chunk-writes", true);
+        this.syncChunkWrites = this.get("sync-chunk-writes", true) && Boolean.getBoolean("Paper.enable-sync-chunk-writes"); // Paper - Hide sync chunk writes behind flag
         this.regionFileComression = this.get("region-file-compression", "deflate");
         this.enableJmxMonitoring = this.get("enable-jmx-monitoring", false);
         this.enableStatus = this.get("enable-status", true);