Re: CURRENT slow and shaky network stability

From: O. Hartmann <ohartman_at_zedat.fu-berlin.de>
Date: Fri, 1 Apr 2016 23:04:26 +0200
Am Fri, 1 Apr 2016 13:37:14 -0700 (PDT)
Don Lewis <truckman_at_FreeBSD.org> schrieb:

> On  1 Apr, O. Hartmann wrote:
> > Am Wed, 30 Mar 2016 00:28:39 -0700 (PDT)
> > Don Lewis <truckman_at_FreeBSD.org> schrieb:  
> 
> >> Do you use tmpfs?  Anything stored in there will get stashed in inactive
> >> memory and/or swap.  
> > [...]
> > 
> > Yes, /var/run  and /tmp are on tmpfs   
> 
> There is probably not enough stashed in /var/run to make a difference,
> but if there is a lot in /tmp, it could bloat the amount of inactive
> memory and cause other things to be pushed to swap.  What does
> 	df /tmp
> say?
> 
> Depending on the workload, you might find that the change committed in
> r280963 helps interactivity.

The problems are still present with r297495 and all systems with CURRENT show symptoms of
not being very responsive under load, even on the consoles/ssh connections on non-X11
systems!

> 
> I still can't explain the ssh connection timeout problems that you are
> seeing.  What does
> 	ps lax
> report as the MWCHAN for the stuck ssh and/or sshd processes?
> 
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Received on Fri Apr 01 2016 - 19:04:04 UTC

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