Absolutely. Our experience with zfs dedupe was that it was ok for some workloads, like remote desktop stuff, but not for most, not worth the overhead. ZFS comp

Absolutely. Our experience with zfs dedupe was that it was ok for some workloads, like remote desktop stuff, but not for most, not worth the overhead. ZFS compression, on the other hand, was well worth the extra CPU time. But fdupes is great for finding files exactly the same, great tool!