From cfd35ec846360b0570ee3eb63143c8a2b9c4db70 Mon Sep 17 00:00:00 2001
From: Brendan Heywood <brendan@catalyst-au.net>
Date: Mon, 30 Jan 2017 15:51:50 +1100
Subject: [PATCH] MDL-57810 lib: Disable nginx buffers when not required

---
 lib/setuplib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/setuplib.php b/lib/setuplib.php
index 9829426c974..14ee7428e41 100644
--- a/lib/setuplib.php
+++ b/lib/setuplib.php
@@ -1381,6 +1381,10 @@ function disable_output_buffering() {
     ini_set('output_handler', '');
 
     error_reporting($olddebug);
+
+    // Disable buffering in nginx.
+    header('X-Accel-Buffering: no');
+
 }
 
 /**