That's good - for Me a "feature" which kills the performance is well... not a feature, but rather a misconception in the design process.pylkko wrote:We know that a "next gen" CoW filesystem will always get a performance hit (we pay for the new features in performance), that in itself is not interesting.
And apparently I'm not alone in my judgement - search for "btrfs disable CoW" - You'll find many useful articles on how "fantastic" the BTRFS is in terms of performance with CoW enabled.
example:
https://unix.stackexchange.com/question ... emu-images
That's bullshit. The chances that he would get a CRC error instead of read error are practically zero - and obviously, it's impossible to investigate and confirm what have happened for "some guy" on "some forum" ...pylkko wrote:Some guy in the Phoronix comments points out how checksumming helped him notice a data corruption in his music collection, which he recovered immediately. He adds that on Ext4 it would have just lain there hidden for years until he would have noticed. That's a real thing
Numbers do not lie - people do, sometimes unintentionally...