On Thu, Nov 30, 2023 at 06:44:24PM +0000, Shakeel Butt wrote: > [...] > > * Swapout should be limited to manage SSD write endurance. In near-OOM > > Is this about swapout to SSD only? Correct > > situations we are fine with lots of swap-out to avoid OOMs. As these are > > typically rare events, they have relatively little impact on write endurance. > > However, proactive reclaim runs continuously and so its impact on SSD write > > endurance is more significant. Therefore it is desireable to control swap-out > > for proactive reclaim separately from reactive reclaim > > This is understandable but swapout to zswap should be fine, right? > (Sorry I am not following the discussion on zswap patches from Nhat. Is > the answer there?) You're correct here as well - we're not concerned about swapout to zswap as that does not impact SSD write endurance. This is not related to Nhat's patches.
