Add CHANGES and release note for GL #2313

diff --git a/CHANGES b/CHANGES
index 0db8e249c9c4ed8704f369683499b9d115d12f02..fad866c7b36cc3f7aef03c9c3d5eb82a8c20db32 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5640.  [func]          Add new configuration option to set the operating system
+                       receive and send buffers. [GL #2313]
+
 5639.  [bug]           Check that the first and last SOA record of an AXFR
                        are consistent. [GL #2528]
 

diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 000395b127075dad3f2fa38c5bc0226cfdb430af..c4da0ed151c3d38dfab502bc1a20ff28e959c9da 100644 (file)
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -24,7 +24,14 @@ Known Issues
 New Features
 ~~~~~~~~~~~~
 
-- None.
+- New configuration options, ``tcp-receive-buffer``, ``tcp-send-buffer``,
+  ``udp-receive-buffer``, and ``udp-send-buffer``, have been added.  These
+  options allows the operator to fine tune the receiving and sending
+  buffers in the operating system.  On busy servers, increasing the value
+  of the receive buffers can prevent the server from dropping the packets
+  during short spikes, and decreasing the value would prevent the server to
+  became clogged up with queries that are too old and have already timeouted
+  on the receiving side. :gl:`#2313`
 
 Removed Features
 ~~~~~~~~~~~~~~~~