Date: Thu, 29 Dec 2016 15:51:10 -0500 From: Stari Karp <starikarp@yandex.com> To: Polytropon <freebsd@edvax.de> Cc: John Levine <johnl@iecc.com>, freebsd-questions@freebsd.org Subject: Re: swap partition Message-ID: <1483044670.96510.7.camel@yandex.com> In-Reply-To: <20161229210502.c5c2704f.freebsd@edvax.de> References: <20161229162919.34694.qmail@ary.lan> <1483032642.96075.3.camel@yandex.com> <20161229210502.c5c2704f.freebsd@edvax.de>
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On Thu, 2016-12-29 at 21:05 +0100, Polytropon wrote: > On Thu, 29 Dec 2016 12:30:42 -0500, Stari Karp wrote: > > > > On Thu, 2016-12-29 at 16:29 +0000, John Levine wrote: > > > > > > In article <1483012420.95172.9.camel@yandex.com> you write: > > > > > > > > > > > > I like to increase swap partition ... > > > Why? Most BSD systems hardly use swap space at all. There's > > > plenty > > > of paging but that's mostly from the files that back the memory. > > > > > > R's, > > > John > > I am using Synth and I have 8 GB memory and swap partition was made > > defaut 3.6 GB and when I built LibreOFFice and Firefox for example > > together than going swap to 100% > > (swap_pager: out of swap space > > kernel: swap_pager_getswapspace(5): failed) > > and because that I think to increase swap partition. > That's really "impressive"... > > I had to open 70+ tabs with "Flash" content running in order > to get Opera start using swap - on a PC with 2 GB RAM, plus > 2 GB swap partition. I made a terminal capture for this > spectacular event: > > 1 [|||| 7.9%] Tasks: 73, 0 thr; 1 running > 2 [| 2.6%] Load average: 0.38 0.70 > 0.42 > Mem[|||||||||||||||||||1601/1990MB] Uptime: 00:52:33 > Swp[||||| 275/2047MB] > > Over time, swap did increase a little bit, but hardly any > CPU load - mostly I/O load. > > Mem[|||||||||||||||||||1597/1990MB] > Swp[|||||| 404/2047MB] > > The system kept being basically responsive, but the browser > was no fun to interact with until the "Flash" processes > were forcedly killed. :-) > I did a test at this time still running when I writing email with Evolution: I open Firefox and star on youtube watching 16 different movies, than star listening on VLC Gregory Isaac and on Mplayer run W. Wenders Paris-Texas. On GIMP I edit one photo and open was Blender, Stellarium, play between working on GIMP game Rocks'n Diamonds and copy /home and /var on external firewire HD. Swap was not touched, 0% and memory was used 1.9 GB. I monitored with System Monitor on GNOME 3.
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