Quoting Ondergetekende (<email address hidden>):
> We've resolved our issues by disabling KSM on the affected nodes. All of
> the non-affected nodes didn't have KSM enabled (due to a packaging bug
> elsewhere). After disabling KSM, our problems went away gradually in ~3
> days.
>
> This means we're no longer affected by this issue (and given the other
> reports, probably never were).
Quoting Ondergetekende (<email address hidden>):
> We've resolved our issues by disabling KSM on the affected nodes. All of
> the non-affected nodes didn't have KSM enabled (due to a packaging bug
> elsewhere). After disabling KSM, our problems went away gradually in ~3
> days.
>
> This means we're no longer affected by this issue (and given the other
> reports, probably never were).
And which specific kernel are you on?