On Friday 26 May 2017 10:36:40 Kent Fredric wrote: > On Wed, 24 May 2017 15:45:45 +0300 > > Andrew Savchenko <[email protected]> wrote: > > - smaller CPU overhead: not every i/o is being compressed, e.g. if > > there is sill enough RAM available it is used without compression > > overhead as usual, but if memory is not enough, swapped out pages > > are being compressed instead of swapping out to disk; > > I found the opposite problem somehow. CPU started becomming frequently > pegged in zswap for no obvious reason, while the underlying IO that zswap > was doing was only measurable in kb/s , far, far, far below the noise > thresholds and by no means a strain on even my crappy spinning rust based > swap. > > And to add to that, zswap introduced general protection faults and kernel > panics. > > So nah, I'm glad I turned that off, it was a huge mistake.
Did you also have zbud enabled at the time? -- Regards, Mick
signature.asc
Description: This is a digitally signed message part.
