K 10 svn:author V 3 bcr K 8 svn:date V 27 2013-10-02T21:00:07.198576Z K 7 svn:log V 256 Add a section on deduplication. This needs some more work and warnings about huge memory requirements for the DDT. But the basic instructions are there on how to activate it, along with an example that shows the dedup ratio and a simulation run with zdb. END