Minchan Kim <minchan.kim@gmail.com> writes:

quoted text
> Another possibility is _zone_reclaim_ in NUMA.
> Your working set has many anonymous page.
> 
> The zone_reclaim set priority to ZONE_RECLAIM_PRIORITY.
> It can make reclaim mode to lumpy so it can page out anon pages.
> 
> Could you show me /proc/sys/vm/[zone_reclaim_mode/min_unmapped_ratio] ?

Sure, no problem. On the machine with the /proc/meminfo I showed earlier,
these are

  # cat /proc/sys/vm/zone_reclaim_mode 
  0
  # cat /proc/sys/vm/min_unmapped_ratio 
  1

I haven't changed either of these from the kernel default.

Many thanks,

Chris.
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