Date: Fri, 04 Apr 2014 14:40:20 -0400 From: Mike Jakubik <mike.jakubik@intertainservices.com> To: Steven Hartland <killing@multiplay.co.uk>, Johan Broman <johan@bridgenet.se>, stable-list freebsd <freebsd-stable@freebsd.org> Cc: Matthias Gamsjager <mgamsjager@gmail.com> Subject: Re: What's up with the swapping since 10/stable Message-ID: <533EFC94.7070208@intertainservices.com> In-Reply-To: <FC46F9EF2A4B4A5CA912CF1FA0A57C9C@multiplay.co.uk> References: <CA%2BD9QhvDsTwosUxUeL2U05dMt%2BKe6kY5BYCNjJo8e8TsfZTsXg@mail.gmail.com> <A4BE503B-ADA9-4F61-893E-79A5F30728A2@bridgenet.se> <FC46F9EF2A4B4A5CA912CF1FA0A57C9C@multiplay.co.uk>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello, I just wanted to mention that i have also observed this behavior. Since i updated from 9 to 10 my swap usage has increased dramatically, but workload has remained the same. This is my desktop pc at work, about a day or two after a reboot swap will be around 50% in use. FreeBSD 10.0-STABLE #0 r263513 Mem: 789M Active, 3842M Inact, 1003M Wired, 115M Cache, 820M Buf, 2156M Free Swap: 1024M Total, 450M Used, 574M Free, 43% Inuse Thanks. On 04/04/14 04:09, Steven Hartland wrote: > We've noticed that swapping is much more agressive in 10.0 than > in 8.3 and have indeed seen it swap processes out when there is > 10GB+ free memory. > > Regards > Steve > ----- Original Message ----- From: "Johan Broman" <johan@bridgenet.se> > To: "stable-list freebsd" <freebsd-stable@freebsd.org> > Cc: "Matthias Gamsjager" <mgamsjager@gmail.com> > Sent: Thursday, April 03, 2014 8:32 PM > Subject: Re: What's up with the swapping since 10/stable > > > Hi! > > I’m seeing the same thing since upgrading to 10/stable. Things seems > to need swap although there is still available memory. I tend not to > use swap on my virtual instances but I’ve seen error messages like > this since upgrading to 10/stable: > > pid 3028 (mysqld), uid 88, was killed: out of swap space > > Mem: 24M Active, 8012K Inact, 109M Wired, 2176K Cache, 69M Buf, 433M Free > > > Looks like there should be enough memory to start mysql… (the above > instance is a t1.micro FreeBSD AMI running on AWS EC2, created by > Colin Percival) > > Something seems to have changed since FreeBSD 9 in terms of memory > manager / page eviction. > > Anyone else seeing this? Is it now impossible to run FreeBSD without a > swap partition (and or file)? This happens on my server as well which > has 8GB RAM and plenty of free RAM… > > I don’t want to start guessing, but perhaps this happens when there is > some memory fragmentation…? I need to verify if this is the case though. > > Thanks > Johan >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?533EFC94.7070208>