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Date:      Sat, 17 Feb 2018 22:57:25 +0000
From:      tech-lists <tech-lists@zyxst.net>
To:        freebsd-arm@freebsd.org
Subject:   Re: Pi3 out of swap at < 50%
Message-ID:  <9bf0ca6e-1916-3f4d-71fe-0515fe6a717f@zyxst.net>
In-Reply-To: <1518885801.91697.2.camel@freebsd.org>
References:  <20180217162732.GA93736@www.zefox.net> <1518885801.91697.2.camel@freebsd.org>

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On 17/02/2018 16:43, Ian Lepore wrote:
> I suspect your swap devices are too slow to keep up with instantaneous
> demands.  An sdcard can easily have read and write latencies as big as
> 30 seconds; they make pretty poor swap devices (have gstat running in
> another window during the build to see what I mean, look at the ms/r
> and ms/w columns).  USB flash drives may not be much better.

I have a portable 1TB HD plugged into one of the USB ports with 2GB
configured as swap.. and things like /tmp and /var/tmp are mounted on
the ufs filesystem on the HD in order to reduce I/O on the sd card.
Seems to work.

Also have GPU memory set to 32 iirc as it's running headless.
-- 
J.



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