We do not have an example dedicate for LSWS load balancer configuration, it should be easy to configure with our web console with online help.
you can search for examples using LiteSpeed with mongrel cluster.
The connection is default to persistent and configurable.
LSWS will try other back-end nodes whenever possible if one node fail. The request will take longer time to process, if all nodes are bad, 503 will be returned.