>On Mon, Dec 14, 2009 at 09:30:29PM +0300, Andrey Kuzmin wrote: >> ZFS deduplication is block-level, so to deduplicate one needs data >> broken into blocks to be written. With compression enabled, you don't >> have these until data is compressed. Looks like cycles waste indeed, >> but ... > >ZFS compression is also block-level. Both are done on ZFS blocks. ZFS >compression is not streamwise.
And if you enable "verify" and you checksum the uncompressed data, you will need to uncompress before you can verify. Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss