Pi3 out of swap at < 50%

tech-lists tech-lists at zyxst.net
Sat Feb 17 22:57:34 UTC 2018


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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