From d4773e831ccf1ca9c157e312028086ed6a12ec75 Mon Sep 17 00:00:00 2001
From: James Newton-King <james@newtonking.com>
Date: Thu, 12 Apr 2018 18:23:00 +1200
Subject: [PATCH] Set default transport and application buffer sizes (#1964)

---
 .../HttpConnectionOptions.cs                              | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Microsoft.AspNetCore.Http.Connections/HttpConnectionOptions.cs b/src/Microsoft.AspNetCore.Http.Connections/HttpConnectionOptions.cs
index a651e7a0ea..62a88cd6ca 100644
--- a/src/Microsoft.AspNetCore.Http.Connections/HttpConnectionOptions.cs
+++ b/src/Microsoft.AspNetCore.Http.Connections/HttpConnectionOptions.cs
@@ -9,14 +9,18 @@ namespace Microsoft.AspNetCore.Http.Connections
 {
     public class HttpConnectionOptions
     {
+        // Selected because this is the default value of PipeWriter.PauseWriterThreshold.
+        // There maybe the opportunity for performance gains by tuning this default.
+        private const int DefaultPipeBufferSize = 32768;
+
         public HttpConnectionOptions()
         {
             AuthorizationData = new List<IAuthorizeData>();
             Transports = HttpTransports.All;
             WebSockets = new WebSocketOptions();
             LongPolling = new LongPollingOptions();
-            TransportMaxBufferSize = 0;
-            ApplicationMaxBufferSize = 0;
+            TransportMaxBufferSize = DefaultPipeBufferSize;
+            ApplicationMaxBufferSize = DefaultPipeBufferSize;
         }
 
         public IList<IAuthorizeData> AuthorizationData { get; }