[DOC] mention 'option http-server-close' effect in Tq section

(cherry picked from commit 988d65706ca5dc20e4a517d9bbc47d797945a611)

diff --git a/doc/configuration.txt b/doc/configuration.txt
index aaeefd0faa7f9482fdf8ff10a036defbeb40cfcf..e9309cfe9eba03bb2a7f9b994e7f297301e16c7b 100644 (file)
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -7403,7 +7403,9 @@ Most common cases :
     spent accepting these connections will inevitably slightly delay processing
     of other connections, and it can happen that request times in the order of
     a few tens of milliseconds are measured after a few thousands of new
-    connections have been accepted at once.
+    connections have been accepted at once. Setting "option http-server-close"
+    may display larger request times since "Tq" also measures the time spent
+    waiting for additional requests.
 
   - If "Tc" is close to 3000, a packet has probably been lost between the
     server and the proxy during the server connection phase. This value should