Aren't only specific kernels affected? If we can detect the kernel version, the feature can be force disabled with the problematic kernels
pon., 11 gru 2023, 20:45 użytkownik Jon Haddad <j...@jonhaddad.com> napisał: > Hey folks, > > Just wanted to raise awareness about a I/O issue that seems to be > affecting some Linux Kernal releases that were listed as STABLE, causing > corruption when using the ext4 filesystem with direct I/O. I don't have > time to get a great understanding of the full scope of the issue, what > versions are affected, etc, I just want to get this in front of the > project. I am disappointed that this might negatively affect our ability > to leverage direct I/O for both the commitlog (recently merged) and > SSTables (potentially a future use case), since users won't be able to > discern between a bug we ship and one that we hit as a result of our > filesystem choices. > > I think it might be worth putting a note in our docs and in the config to > warn the user to ensure they're not affected, and we may even want to > consider hiding this feature if the blast radius is significant enough that > users would be affected. > > https://lwn.net/Articles/954285/ > > Jon >
