[master] 4487206 Write up changes to VSL/varnishlog in "Upgrading to 6.0".

Geoff Simmons geoff at uplex.de
Wed Mar 14 21:21:07 UTC 2018

commit 448720620a7bb211c5630f9ea7c12c803bbe812d
Author: Geoff Simmons <geoff at uplex.de>
Date:   Wed Mar 14 22:20:16 2018 +0100

    Write up changes to VSL/varnishlog in "Upgrading to 6.0".

diff --git a/doc/sphinx/whats-new/upgrading-6.0.rst b/doc/sphinx/whats-new/upgrading-6.0.rst
index 833c158..60af892 100644
--- a/doc/sphinx/whats-new/upgrading-6.0.rst
+++ b/doc/sphinx/whats-new/upgrading-6.0.rst
@@ -678,6 +678,19 @@ Other changes
     with the backend name field -- the second field in
+  * The byte counters logged with ``ReqAcct`` now report the numbers
+    returned from the operating system telling us how many bytes were
+    actually sent in a request and response, rather than what Varnish
+    thought it was going to send. This gives a more accurate account
+    when there are errors, for example when a client hung up early
+    without receiving the entire response. The figures also include
+    any overhead in a request or response body, for example due to
+    chunked encoding.
+  * Debugging logs for the PROXY protocol are turned off by default.
+    They can be turned on with the ``protocol`` flag of the varnishd
+    :ref:`ref_param_debug` parameter (``-p debug=+protocol``).
 * ``varnishncsa(1)``
   * The ``%h`` formatter (remote host) gets its value from

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