Find the current size of SO_SNDBUF. A value of 0 means either an error
occured or no hosts were available. It is safe to assume system default
-if this occurs.
+if this occurs. If an error occurs you can checked the last cached errno statement to find the specific error.
=item MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
Find the current size of SO_RCVBUF. A value of 0 means either an error
occured or no hosts were available. It is safe to assume system default
-if this occurs.
+if this occurs. If an error occurs you can checked the last cached errno statement to find the specific error.
=item MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT