mabshoff wrote:
> 
> 
> On Jan 13, 10:52 am, Jason Grout <jason-s...@creativetrax.com> wrote:
>> ma...@mendelu.cz wrote:
> 
> <SNIP>
> 
>> I noticed that for my Sage server, each open worksheet took about 140MB
>> of RAM.  When I ran out of memory, the server froze and lots of errors
>> happened.  To me, it sounds like you probably ran out of memory if you
>> had 15 worksheets open simultaneously (which I would calculate would
>> need about 15*140=2100 MB of RAM).
> 
> This is not how this works, i.e. a lot of the memory Sage uses is
> shared mappings between libraries, so the first notebook process is
> much, much more expensive than subsequent ones. top and the default
> interface it uses on Linux is dumb regarding shared mappings, i.e.
> every notebook process is reported to use every library that is
> dlopened by Sage.
> 

Okay, I was using top to calculate this.  What is a better way to 
calculate the actual memory being used?  I'd like to have an accurate 
idea of the memory requirements of a big Sage server.

Thanks,

Jason


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