Hello, In the Message; Subject : Re: btrfs deduplication and rsync [actual tests] Message-ID : <8b87a846-b877-4796-92f5-53c76b52ecb8@dodin.org> Date & Time: Sun, 5 Nov 2023 09:24:15 +0100 [JDD] == "jdd@dodin.org" <jdd@dodin.org> has written: JDD> Le 03/11/2023 à 09:52, jdd@dodin.org a écrit : JDD> > btrfs deduplication and rsync to other file system... JDD> > JDD> I did some tests on compression/deduplication on my data, after JDD> copying it to an other disk. JDD> The results are not that good JDD> on a 683Gb file content with mostly text (but obviously not only JDD> and probably not the main part), I got only 50g gain by JDD> compression :-( It is important to note that the effectiveness of compression and deduplication techniques depends on the type of data being compressed or deduplicated. Text files are already compressed and may not benefit much from further compression. Regards. --- ┏━━┓彡 野宮 賢 mail-to: nomiya @ lake.dti.ne.jp ┃＼／彡 ┗━━┛ "Companies have come to view generative AI as a kind of monster that must be fed at all costs—even if it isn’t always clear what exactly that data is needed for or what those future AI systems might end up doing." -- Generative AI Is Making Companies Even More Thirsty for Your Data --