Hi Rafal

quoted text
> vm.swappiness was decreased to 30, to avoid excessive swap usage, but no 
> avail.
> It's application and nfs server/client if it matters. During that 
> "memory sweep" I observed many nfsd processes(kernel threads?) in D state.

I think no related.

nfsd always remain D state.
because if nfsd waiting to new packet, ps (or other tool) display "D".


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