connection. Quiting the connection or closing down the connection will also
cause the buffered data to be pushed to the remote connection.
+=item MEMCACHED_BEHAVIOR_VERIFY_KEY
+
+Enabling this will cause libmemcached(3) to test all keys to verify that they
+are valid keys.
+
=item MEMCACHED_BEHAVIOR_SORT_HOSTS
Enabling this will cause hosts that are added to be placed in the host list in
sorted order. This will defeat consisten hashing.
+=item MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
+
+In non-blocking mode this changes the value of the timeout during socket
+connection.
+
=back
=head1 RETURN