add dogstatsd_tags example

docs/source/settings.rst

@@ -443,7 +443,7 @@ Address is a string of the form:
 **Default:** ``''``
 
 A comma-delimited list of datadog statsd (dogstatsd) tags to append to
-statsd metrics.
+statsd metrics. e.g. 'tag1:value1,tag2:value2'
 
 .. versionadded:: 20
 
@@ -698,7 +698,7 @@ Server Hooks
 ``on_starting``
 ~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -714,7 +714,7 @@ The callable needs to accept a single instance variable for the Arbiter.
 ``on_reload``
 ~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -730,7 +730,7 @@ The callable needs to accept a single instance variable for the Arbiter.
 ``when_ready``
 ~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -746,7 +746,7 @@ The callable needs to accept a single instance variable for the Arbiter.
 ``pre_fork``
 ~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -763,7 +763,7 @@ new Worker.
 ``post_fork``
 ~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -780,7 +780,7 @@ new Worker.
 ``post_worker_init``
 ~~~~~~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -797,7 +797,7 @@ Worker.
 ``worker_int``
 ~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -814,7 +814,7 @@ Worker.
 ``worker_abort``
 ~~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -833,7 +833,7 @@ Worker.
 ``pre_exec``
 ~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -849,7 +849,7 @@ The callable needs to accept a single instance variable for the Arbiter.
 ``pre_request``
 ~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -866,7 +866,7 @@ the Request.
 ``post_request``
 ~~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -883,7 +883,7 @@ the Request.
 ``child_exit``
 ~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -902,7 +902,7 @@ the just-exited Worker.
 ``worker_exit``
 ~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -919,7 +919,7 @@ the just-exited Worker.
 ``nworkers_changed``
 ~~~~~~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -939,7 +939,7 @@ be ``None``.
 ``on_exit``
 ~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -955,7 +955,7 @@ The callable needs to accept a single instance variable for the Arbiter.
 ``ssl_context``
 ~~~~~~~~~~~~~~~
 
-**Default:** 
+**Default:**
 
 .. code-block:: python
 
@@ -1792,4 +1792,3 @@ set this to a higher value.
 .. note::
    ``sync`` worker does not support persistent connections and will
    ignore this option.
-