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1. clacke

   So at a quick glance it looks like Red Hat's #btrfs replacement #stratis is XFS integrated with a ZFS/btrfs-like volume manager.
   
   https://stratis-storage.github.io

   Saturday, 03-Feb-18 07:42:26 UTC von social.heldscal.la
   • clacke hattiecat , bob , h , cstanhope , samis

     @cstanhope @h @gemlog @samis @bob @hattiecat
     
     And it looks like #xfs gained experimental reflink + dedup a year ago. Nice!
     
     http://strugglers.net/~andy/blog/2017/01/10/xfs-reflinks-and-deduplication/

     Wednesday, 07-Feb-18 11:51:37 UTC
   • clacke hattiecat , bob , h , cstanhope , samis

     @hattiecat @bob @samis @h @gemlog @cstanhope An interesting analysis of the value of dedup on ZFS. When is it worth the cost in RAM? https://pthree.org/2013/12/18/zfs-administration-appendix-d-the-true-cost-of-deduplication/ /by the p…

     Wednesday, 07-Feb-18 12:00:59 UTC
   • clacke

     A deeper dive into the technical details of ZFS dedup. It's not as simple as "one MB of disk, one KB of RAM", even though that is possibly a decent heuristic for some data: > According to the ZFS dedup FAQ, each entry in the dedup table…

     Thursday, 08-Feb-18 06:50:02 UTC
   • clacke

     I did experiment more, and it seems the deduplication works as advertised. It's just that this particular machine's guix+nix is less redundant than I expected, apparently. :-)

     Friday, 09-Feb-18 18:44:29 UTC