Re: High kswapd

On Mon, Apr 13, 2020 at 09:46:22AM -0500, Don Seiler wrote:
> ==> /sys/kernel/mm/ksm/run <==
> 0

Was it off to begin with ?
If not, you can set it to "2" to "unshare" pages.

> ==> /sys/kernel/mm/transparent_hugepage/khugepaged/defrag <==
> 1

So I'd suggest trying with this disabled.

I don't know if I ever fully understood the problem, but it sounds like at
least in your case it's related to large shared_buffers, and hugepages, which
cannot be swapped out.

-- 
Justin