Probably not, but ZFS is actually smart enough to store the uncompressed version if compression doesn't save space. In other words: zfs will try lz4 compression

Probably not, but ZFS is actually smart enough to store the uncompressed version if compression doesn't save space. In other words: zfs will try lz4 compression on those video files, notice that it doesn't gain anything and store it uncompressed. [0] https://klarasystems.com/articles/openzfs1-understanding-transparent-compression/ https://klarasystems.com/articles/openzfs1-understanding-tra...