memory slop

Tim Docker twd2 at
Wed Mar 23 18:50:43 CET 2011

On 22/03/11 10:47, Brandon Moore wrote:

> It sounds like the space is allocated but unused pages. Unless you have messed
> with some kernel memory manager settings, unused virtual pages consume no
> physical RAM.
> You could confirm this by using ps to check how much RSS is actually used,
> compared to VSZ allocated (VSZ - RSS shouldn't include any actual data unless
> your system is actively swapping stuff to disk). If it is just unsued pages it's
> not a problem.


I've looked at this, and can confirm that the reported VSZ and RSS are 
almost the same (120MB and 116MB). I think this means that the observed 
memory usage is real.


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