Add a warning to documentation of MonitoredSession.

PiperOrigin-RevId: 157728225

1 files changed, 8 insertions, 1 deletions

diff --git a/tensorflow/python/training/monitored_session.py b/tensorflow/python/training/monitored_session.py
index b8554abb4f..ff77470a82 100644
--- a/tensorflow/python/training/monitored_session.py
+++ b/tensorflow/python/training/monitored_session.py
@@ -279,7 +279,8 @@ def MonitoredTrainingSession(master='',  # pylint: disable=invalid-name
   For a chief, this utility sets proper session initializer/restorer. It also
   creates hooks related to checkpoint and summary saving. For workers, this
   utility sets proper session creator which waits for the chief to
-  initialize/restore.
+  initialize/restore. Please check `tf.train.MonitoredSession` for more
+  information.
 
 
   Args:
@@ -633,6 +634,12 @@ class MonitoredSession(_MonitoredSession):
 
   See `MonitoredTrainingSession` for an example usage based on chief or worker.
 
+  Note: This is not a `tf.Session`. For example, it cannot do following:
+
+  * it cannot be set as default session.
+  * it cannot be sent to saver.save.
+  * it cannot be sent to tf.train.start_queue_runners.
+
   Args:
     session_creator: A factory object to create session. Typically a
       `ChiefSessionCreator` which is the default one.