Zero-filled data is not compressed by the set compression algorithm but gets filtered by zero-length encoding, so the zeros never hit lz4 and compressratio does not include them.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1766308 Title: inexplicably large file reported by zfs filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1766308/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
