On Tue, Jan 6, 2009 at 11:55 AM, Sébastien Launay <[email protected]> wrote: > Alexandru Popescu ☀ a écrit : >> On Mon, Jan 5, 2009 at 11:19 PM, Sébastien Launay >> <[email protected]> wrote: >> >>> You have to first delete the node and then its versions. >>> For this you need to store the version history before deleting the node. >>> Indeed, if you delete the node you cannot access the version history >>> anymore. >>> >>> Here an example, from JCR-134 test case: >>> >>> Node n = rootNode.addNode("test"); >>> n.addMixin(mixVersionable); >>> rootNode.save(); >>> VersionHistory vh = n.getVersionHistory(); >>> >>> // From here there is the dumy root version >>> // and the base version references this root version >>> >>> // First version which will be the new base version >>> Version v10 = n.checkin(); >>> n.checkout(); >>> >>> // Second version which will be the new base version >>> Version v11 = n.checkin(); >>> n.checkout(); >>> >>> // Remove node >>> n.remove(); >>> rootNode.save(); >>> >>> // Remove the first version >>> vh.removeVersion(v10.getName()); >>> >>> // Remove the second >>> vh.removeVersion(v11.getName()); >>> >>> // vh still exists and it contains the empty >>> // and its immutable dummy root version >>> >> >> Have you been able to decrease the disk space used by the repository >> after this operation has completed? Do you have any statistics by how >> much the disk space usage was reduced? >> >> I must confess that I am extremely interested in a solution in this >> direction and I would appreciate any ideas. >> >> ./alex >> -- >> .w( the_mindstorm )p. >> Alexandru Popescu >> >> > Yes the disk usage has been reduced (shown using "du -sh" on the repository > folder with embedded derby persistence manager). > > But, i do not have real statistics because the issue takes places is in > a production > environment and we do not want to change official jackrabbit jar to possible > unstable jar. > We could retrieve the official repository from our client but it is > quite huge and > contains sensible data... >
So, if I'm getting it right you are saying that the mechanism you've posted works, but there aren't any statistics available for how much space is saved. thanks, ./alex -- .w( the_mindstorm )p. Alexandru Popescu > -- > Sébastien Launay > >
