Re:Is ZFS a suitable replacement for other Linux filesystems?
by ryao on Friday October 10, 2014 @10:45AM
(#8437951)
Setting zfs_dedup_prefetch=0 has been found to help systems using ZFS data deduplication. There is a patch in ZoL HEAD for the next release that makes zfs_dedup_prefetch=0 by default:
Aside from that, you are right that there has not been much done here. Making data deduplication more performant is a difficult task and so far, no one has proposed improvements beyond trivial changes.
https://github.com/zfsonlinux/zfs/commit/0dfc732416922e1dd59...
Aside from that, you are right that there has not been much done here. Making data deduplication more performant is a difficult task and so far, no one has proposed improvements beyond trivial changes.