From ef8cb5f11168183be77b1c121a9171b2ea9fbaab Mon Sep 17 00:00:00 2001
From: Dan Engelbrecht <dan.engelbrecht@epicgames.com>
Date: Fri, 1 Apr 2022 15:20:42 +0200
Subject: Make gc reserve a global resource

---
 zenserver/config.cpp    | 8 ++++++++
 zenserver/config.h      | 1 +
 zenserver/zenserver.cpp | 1 +
 3 files changed, 10 insertions(+)

(limited to 'zenserver')

diff --git a/zenserver/config.cpp b/zenserver/config.cpp
index b7fc18b4e..ac0f863cc 100644
--- a/zenserver/config.cpp
+++ b/zenserver/config.cpp
@@ -428,6 +428,13 @@ ParseCliOptions(int argc, char* argv[], ZenServerOptions& ServerOptions)
 					   "Max duration in seconds before Z$ entries get evicted.",
 					   cxxopts::value<int32_t>(ServerOptions.GcConfig.Cache.MaxDurationSeconds)->default_value("86400"),
 					   "");
+
+	options.add_option("gc",
+					   "",
+					   "disk-reserve-size",
+					   "Size of gc disk reserve in bytes.",
+					   cxxopts::value<uint64_t>(ServerOptions.GcConfig.DiskReserveSize)->default_value("268435456"),
+					   "");
 	try
 	{
 		auto result			  = options.parse(argc, argv);
@@ -699,6 +706,7 @@ ParseConfigFile(const std::filesystem::path& Path, ZenServerOptions& ServerOptio
 		if (sol::optional<sol::table> GcConfig = lua["gc"])
 		{
 			ServerOptions.GcConfig.IntervalSeconds = GcConfig.value().get_or("intervalseconds", 0);
+			ServerOptions.GcConfig.DiskReserveSize = GcConfig.value().get_or("diskreservesize", uint64_t(1u << 28));
 
 			if (sol::optional<sol::table> CacheGcConfig = GcConfig.value()["cache"])
 			{
diff --git a/zenserver/config.h b/zenserver/config.h
index a61a7f89f..9f1b3645c 100644
--- a/zenserver/config.h
+++ b/zenserver/config.h
@@ -91,6 +91,7 @@ struct ZenGcConfig
 	int32_t				   IntervalSeconds	   = 0;
 	bool				   CollectSmallObjects = true;
 	bool				   Enabled			   = true;
+	uint64_t			   DiskReserveSize	   = 1ul << 28;
 };
 
 struct ZenServerOptions
diff --git a/zenserver/zenserver.cpp b/zenserver/zenserver.cpp
index 667bcd317..f81deb167 100644
--- a/zenserver/zenserver.cpp
+++ b/zenserver/zenserver.cpp
@@ -369,6 +369,7 @@ public:
 			.MaxCacheDuration	 = std::chrono::seconds(ServerOptions.GcConfig.Cache.MaxDurationSeconds),
 			.CollectSmallObjects = ServerOptions.GcConfig.CollectSmallObjects,
 			.Enabled			 = ServerOptions.GcConfig.Enabled,
+			.DiskReserveSize	 = ServerOptions.GcConfig.DiskReserveSize,
 		};
 		m_GcScheduler.Initialize(GcConfig);
 
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