"bstansberry(a)jboss.com" wrote : In terms of entity caching, this should be workable since lockParentForChildInsertRemove=false for this use case. This comment was re: your suggestion of not actually copying the child map but only loading specific children as they are accessed. Seems like it should work for cases where phantom reads are acceptable. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4060545#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...