Re: Incorrect memory usage?

[Martin Pala]

Hi,

the memory report is OK - monit reports the memory usage used by processes and 
system without the buffer cache, which provides better picture about the real 
memory usage. The buffer cache serves as filesystem cache - it dynamically 
shrinks if memory is needed and grows if there is excess of free memory, so the 
fast main memory is utilized by the system as much as possible. 


Regards,
Martin



On May 30, 2012, at 11:34 PM, Gino Lisignoli wrote:

> Back again :)
> 
> Monit seems to be reporting an incorrect memory usage for me. TOP Reports 
> 668812k Used and 345336k Free. Monit says: Memory Usage: 384348kB.
> Ether monit is reporting my free memory rather than my memory used, or top is 
> wrong (or I'm reading top wrong).
> 
> free -m show:
> 
> address@hidden:~# free -m
>             total       used       free     shared    buffers     cached
> Mem:           992        679        312          0         15        262
> -/+ buffers/cache:        400        591
> Swap:         2047        123       1924
> 
> -- 
> Gino Lisignoli
> System Administrator
> Opus International Consultants Ltd
> address@hidden
> Tel +64 4 471 7209, Mobile +64 21 982 112 Ext 8209
> http://www.opus.co.nz
> Level 9 Majestic Centre, 100 Willis Street, PO Box 12343, Wellington, New 
> Zealand
> 
> 
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