add server address to the "stats conns" output

this is helpful when it's required to identify which clients are
connected to which server address when memcached listens on
multiple addresses

1 files changed, 2 insertions, 0 deletions

diff --git a/doc/protocol.txt b/doc/protocol.txt
index b5587a0..962c8dc 100644
--- a/doc/protocol.txt
+++ b/doc/protocol.txt
@@ -1071,6 +1071,8 @@ The following "stat" keywords may be present:
 |                     | sockets this is the listen address. Note that some   |
 |                     | socket types (such as UNIX-domain) don't have        |
 |                     | meaningful remote addresses.                         |
+| listen_addr         | The address of the server. This field is absent      |
+|                     | for listening sockets.                               |
 | state               | The current state of the connection. See below.      |
 | secs_since_last_cmd | The number of seconds since the most recently        |
 |                     | issued command on the connection. This measures      |