Date: Sat, 30 Jun 2018 10:00:10 +1000 From: Trev <freebsd-arm@sentry.org> To: freebsd-arm@freebsd.org Subject: Re: RPI3 swap experiments Message-ID: <0f137e06-214a-3e8c-a216-f061ec04ac2c@sentry.org> In-Reply-To: <20180629233937.GC35717@www.zefox.net> References: <20180627054027.GA22144@www.zefox.net> <CC72E766-03CB-476C-8F2B-DAAC266CE63D@yahoo.com> <20180627194217.GA27793@www.zefox.net> <C6303FC5-B412-472C-98E4-9A1E45C38535@yahoo.com> <20180628022457.GA30110@www.zefox.net> <7B9D272D-3EDE-46FA-8A1C-AEE65047167C@yahoo.com> <20180628163328.GA33408@www.zefox.net> <51e208b4-9f14-58f7-1e70-6ef8db2c0bed@sentry.org> <20180629155131.GA35717@www.zefox.net> <c6b8842a-fcc5-8e11-5a03-ba76eb3c5dea@sentry.org> <20180629233937.GC35717@www.zefox.net>
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bob prohaska wrote on 30/06/2018 09:39: >> (I get a similar warning for the RPi2B which has 2GB of swap, but uses >> 1.4G+ peak during a -j4 buildworld and always completes successfully.) > Are you sure the peak swap use is that high? Last time I ran -j4 buildworld > on my 11-stable Pi2 the swapinfo line with the highest usage was > /dev/da0b 2097152 322264 1774888 15% > or 322 MB. > > The two needn't be the same, but I'd expect them to be closer than that. 1.424G to be precise. System was multi-user. I may have had X running too, not absolutely sure. >> I'll reduce it to 2G and see what happens in 5 hours... > In my notes I don't find an RPi3 test case for 2GB swap, only 1, 2.3 and 3. > I _think_ 2 GB is enough, based on a ~1.4 GB peak, but apparently didn't test it. > Apologies for the misinformation! Not a problem. > I'm very curious to see if it makes a difference. You've already > surprised me once......8-) We'll see :)
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