On Thu, Dec 21, 2023 at 12:33:08PM -0800, Bart Van Assche wrote: > On 12/20/23 07:03, Hannes Reinecke wrote: > > I would like to discuss > > > > Large blocks for I/O > > > > Since the presentation last year there has been quite some developments > > and improvements in some areas, but at the same time a lack of progress > > in other areas. > > In this presentation/discussion I would like to highlight the current > > state of affairs, existing pain points, and future directions of development. > > It might be an idea to co-locate it with the MM folks as we do have > > quite some overlap with page-cache improvements and hugepage handling. > > Hi Hannes, > > I'm interested in this topic. But I'm wondering whether the disadvantages of > large blocks will be covered? Some NAND storage vendors are less than > enthusiast about increasing the logical block size beyond 4 KiB because it > increases the size of many writes to the device and hence increases write > amplification. It's LSF/MM. If this session is being run as a presentation rather than discussion, it's being done wrongly. So if you want to talk about the downsides, show up and talk about them.
