Originally posted by starshipeleven
View Post
The dedup in ZFS now really isn't so hot. It's mostly useful for maybe similar blocks on a VM cluster or a directory full of hash files, other than that.. mmm.. It loads that entire bitmap into ram right now and it does so forever. Keep in mind that everything ZFS does is based on blocks, not files so dedup works on blocks.. there are some advantages to that (such as VM's) but it isn't what a lot of end users expect. I would caution ppl know exactly what they are doing before using it. I would expect the new version to be maybe a year or two out. (if ZFS encryption implementation timeline is an example.. big project and lot of work and it took about 2 years for us to get that.)
Comment