Swapoff checks that automatically -- but I usually do it when I notice that I am using a ton of swap, but not all my ram. It may just be an illusion, but it seems that when I have a browser that is starting to act up and slow, this fixes it. On Mon, Sep 18, 2017 at 4:17 PM, Justin Krejci <jus at krytosvirus.com> wrote: > Do you check to make sure your existing swap usage and RAM usage combined > does not equal a number higher than the amount of total RAM you have on the > system? I am guessing flushing swap into RAM when there is not enough RAM > available is a bad thing to do. > > Just curious, why do you clear your swap space like that periodically? If > your swap is being used too much, perhaps you either need more RAM or else > should maybe turn down your vm.swappiness in sysctl. > > On 2017-09-18 04:07 PM, Jeff Chapin wrote: > > I periodically check swap usage, and run: > > sudo swapoff -a; sudo swapon -a; > > This will force anything in swap (on disk) back into RAM. > > Jeff > > On Mon, Sep 18, 2017 at 4:05 PM, Steve Trapp <stevetrapp at comcast.net> > wrote: > >> Aha. I tried 'man swap' but didn't think of 'swapon'. My google search >> was not >> very productive, so I am thankful of your information! -Steve >> >> On Mon, Sep 18, 2017 at 07:16:16PM +0000, Iznogoud wrote: >> > > >> > > For GNU/Linux, how do you turn swap off and how do you turn in back >> on again? >> > > >> > >> > Here is the top of the manual page: >> > >> > >> > NAME >> > swapon, swapoff - enable/disable devices and files for paging >> and swap- >> > ping >> > >> > SYNOPSIS >> > /sbin/swapon [-h -V] >> > /sbin/swapon -a [-v] [-e] >> > /sbin/swapon [-v] [-p priority] specialfile ... >> > /sbin/swapon [-s] >> > /sbin/swapoff [-h -V] >> > /sbin/swapoff -a >> > /sbin/swapoff specialfile ... >> > >> > _______________________________________________ >> > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota >> > tclug-list at mn-linux.org >> > http://mailman.mn-linux.org/mailman/listinfo/tclug-list >> -- >> Name: Steve Trapp >> Location: Just east of the Missippi River >> Email-address: stevetrapp<AT>comcast<DOT>net >> Homepage: comcast DROPPED ALL HOMEPAGES--Where do I put my PGP public key >> now? >> _______________________________________________ >> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota >> tclug-list at mn-linux.org >> http://mailman.mn-linux.org/mailman/listinfo/tclug-list >> > > > > -- > Jeff Chapin > President, CedarLug, retired > President, UNIPC, "I'll get around to it" > President, UNI Scuba Club > Senator, NISG, retired > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > > -- Jeff Chapin President, CedarLug, retired President, UNIPC, "I'll get around to it" President, UNI Scuba Club Senator, NISG, retired -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20170918/87018155/attachment.html>