Sudden grow of memory in "Laundry" state

[Rozhuk Ivan]

On Wed, 24 Oct 2018 10:19:20 -0700
Robert <robert.ayrapetyan at gmail.com> wrote:

> So the issue is still happening. Please check attached screenshot.
> The green area is "inactive + cached + free".
> 
> At some point massive amount of "Free" memory is moving to Swap and 
> Laundry. Then slowly returns back to inactive.
> 
> My concern is that I've tried all kind of monitoring for mem 
> allocations, including dtrace-ing of all mmap calls.
> 
> It shows no any allocations of such a huge size, so I believe this is 
> something related to the kernel's mem management.
> 

+1
Mem: 845M Active, 19G Inact, 4322M Laundry, 6996M Wired, 1569M Buf, 617M Free
Swap: 112G Total, 19M Used, 112G Free

Looks very ugly from user side.