Date: Thu, 12 Jun 2014 01:26:09 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Matthias Andree" <matthias.andree@gmx.de>, <freebsd-current@freebsd.org> Subject: Re: CURRENT: why is CURRENT swapping so fast? Message-ID: <46D4CB84655148FE9A5F7578E5F4A8FD@multiplay.co.uk> References: <20140612003612.25cc2851.ohartman@zedat.fu-berlin.de> <5398F2A2.2020808@gmx.de>
next in thread | previous in thread | raw e-mail | index | archive | help
----- Original Message ----- From: "Matthias Andree" <matthias.andree@gmx.de> > Am 12.06.2014 00:36, schrieb O. Hartmann: >> >> I use my boxes for daily work and in most cases, the usage of applications is the same. >> Compiling the OS and updating ports while having claws-mail and firefox opened is some >> usual scenario. >> >> I realise since a couple of weeks, if not months now, but always sticky to 11.0-CURRENT, >> that the system is even with 8 GB RAM very quickly out of memory and swapping. As of >> today - updating CURRENT (buildword) and also updating ports. Nothing else except >> firefox. And the box is using 1% swapspace. > > Are you using ZFS, and more to the point, did you recently start using it? > > Do you mean "start swapping out sooner than it used to do"? > > Do you expect that swap remains at 0 unless there is serious memory > pressure? > > One point: Linux rolls dice when it needs memory, with a tunable that > states the chance that either a cached page gets evicted, or an in-use > page gets swapped out. > > Has FreeBSD similar mechanisms these days? Also how recent a current there where some vm changes which apparently helped with this specifically r260567 and r265944. Regards Steve
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?46D4CB84655148FE9A5F7578E5F4A8FD>