>This assumes you have low volumes of deduplicated data. As your dedup >ratio grows, so does the performance hit from dedup=verify. At, say, >dedupratio=10.0x, on average, every write results in 10 reads.
I don't follow. If dedupratio == 10, it means that each item is *referenced* 10 times but it is only stored *once*. Only when you have hash collisions then multiple reads would be needed. Only one read is needed except in the case of hash collisions. Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
