On Tue, 25 Jan 2011 09:42:24 +0100 Jochen Schulz <m...@well-adjusted.de> wrote:
> Celejar: > > > > I'm somewhat confused about this. My system has 2GB of RAM, and I have: > > > > $ uptime > > 20:46:09 up 5 days, 5:30, 9 users, load average: 0.06, 0.09, 0.25 > > > > $ free > > total used free shared buffers cached > > Mem: 2065172 1047312 1017860 0 66064 357512 > > -/+ buffers/cache: 623736 1441436 > > Swap: 1949688 102364 1847324 > > This shows that ~620MB are used for applications and data. About 400MB > is used for buffers/cache (don't ask me what the difference is). > > > $ df | grep tmp > > tmpfs 1032584 16 1032568 1% /lib/init/rw > > tmpfs 1032584 0 1032584 0% /dev/shm > > none 1032584 2440 1030144 1% /tmp > > > > So my /tmp is using 1GB. > > No. Your /tmp might grow up to 1GB, but it only occupies what's really > necessary. This is the main difference between tmpfs and a traditional > RAM disk. Someone posted an interesting link about this topic, IIRC in > this very thread. But IIUC, on a linux system that's been up for a while, with moderate usage, pretty much all available memory should be 'used', as it will be used for disk cache if not needed by applications. So if the tmpfs isn't reserving the full 1GB, shouldn't that memory be 'used' in the output of 'free'? Celejar -- foffl.sourceforge.net - Feeds OFFLine, an offline RSS/Atom aggregator mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20110125151606.90890d78.cele...@gmail.com
