diff --git a/MergerLogic/Extensions/ServiceCollectionExtensions.cs b/MergerLogic/Extensions/ServiceCollectionExtensions.cs
index e3eeda97..b5748a8c 100644
--- a/MergerLogic/Extensions/ServiceCollectionExtensions.cs
+++ b/MergerLogic/Extensions/ServiceCollectionExtensions.cs
@@ -26,6 +26,8 @@ public static class ServiceCollectionExtensions
     {
         public static IServiceCollection RegisterMergerLogicType(this IServiceCollection collection, bool includeServiceProvider = true)
         {
+            ConfigureImageMagick();
+
             if (includeServiceProvider)
             {
                 collection = collection.RegisterServiceProvider();
@@ -48,6 +50,15 @@ public static IServiceCollection RegisterImageProcessors(this IServiceCollection
                 .AddSingleton<ITileScaler, TileScaler>();
         }
 
+        // Process-global ImageMagick tuning. Applied once at composition root, kept out of the DI
+        // registration methods so runtime side effects aren't hidden behind a "register services" call.
+        private static void ConfigureImageMagick()
+        {
+            // Tiles are already processed in parallel at the app level, so keep ImageMagick single-threaded
+            // per operation to avoid thread oversubscription.
+            ImageMagick.ResourceLimits.Thread = 1;
+        }
+
         public static IServiceCollection RegisterMergerUtils(this IServiceCollection collection)
         {
             return collection
diff --git a/MergerService/MergerService.csproj b/MergerService/MergerService.csproj
index f495bdcd..c0131939 100644
--- a/MergerService/MergerService.csproj
+++ b/MergerService/MergerService.csproj
@@ -5,6 +5,9 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
     <RunWorkingDirectory>$(MSBuildProjectDirectory)</RunWorkingDirectory>
+    <!-- Throughput-oriented GC for the long-running, allocation-heavy merge service. -->
+    <ServerGarbageCollection>true</ServerGarbageCollection>
+    <ConcurrentGarbageCollection>true</ConcurrentGarbageCollection>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />