Here's a thought re: nodes being removed locally but still living as tombstones on remote nodes (as a placeholder for the version that last existed). Isn't there enough of an argument that says even the locally removed node should not be removed, but instead just have it's data removed and then marked as invalid? The same argument for the need of the last used version will apply, since the node may be re-added anywhere else in the cluster, potentially with an older version. Agreed that this does become a problem with regards to memory footprint, at least until eviction kicks in ... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4097183#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...