On Fri 27 Apr 2018 at 12:26:11 (+0000), Eduardo M KALINOWSKI wrote: > On sex, 27 abr 2018, Simon Beirnaert wrote: > >The bottom line for me is that I when I shut down everything I install > >and manage on the system, it's still conuming about half a gig more > >than a system running the exact same base image right after use, without > >the extra memory being accounted for by monitoring tools. > > How are you determining what you call "consumed memory"? > > Keep in mind that the kernel will by default use almost all free > memory (not actually used by processes and libraries) as cache > space, because it makes no sense to leave memory just laying around. > However, once it's really needed, the caches will be dropped. Thus > "free" memory is usually reported as low. Compare with "available" > memory as reported by free.
In which case, this could be a useful recipe: # free -m total used free shared buffers cached Mem: 2016 1251 764 0 301 774 -/+ buffers/cache: 175 1840 Swap: 3861 0 3861 # echo 3 > /proc/sys/vm/drop_caches # free -m total used free shared buffers cached Mem: 2016 119 1896 0 0 24 -/+ buffers/cache: 94 1921 Swap: 3861 0 3861 # Now you can watch it creep up again. Cheers, David.