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From: Kervin Pierre <kpierre@fit.edu>
To: Eugenio Mastroviti <eugeniom@gointernet.co.uk>
Cc: ivan <ivan@es.usyd.edu.au>, linux-kernel@vger.kernel.org
Subject: Re: Memory Leaking. Help!
Date: Mon, 15 Apr 2002 11:59:40 -0400	[thread overview]
Message-ID: <3CBAF8EC.6070403@fit.edu> (raw)
In-Reply-To: <Pine.LNX.4.33.0204151017480.20961-100000@dipole.es.usyd.edu.au> <3CBAC6B3.2040002@gointernet.co.uk>

Eugenio Mastroviti wrote:
> much data as it can in memory. The actual memory in use (check with 
> 'free') is total-(buffers+cache)= 2.2-(0.37+1.51)GB=about 320 MB, which 

This is interesting.  What exactly is buffers and cache used for?

I had the same issue with the original poster with a new server.  A 
fresh install with nothing significant running ( no bind nor sendmail, 
etc. ) reported that over 450 out of 512 MB was used, but looking at the 
process usage on top I barelly got 5% memory usuage by process.  If the 
above calculation ( memory use = total - buffers - cache ) is correct 
then the memory use drops to ~100 MB.

I guess what's confusing is that total memory usuage is including 
buffers and cache.  If that memory is available to applications, 
shouldn't it be removed from the "total used" figure?

--Kervin


-- 
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  reply	other threads:[~2002-04-15 16:06 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-14 12:23 Memory Leaking. Help! ivan
2002-04-14 13:15 ` Itai Nahshon
2002-04-14 14:05 ` Alan Cox
2002-04-14 22:51   ` ivan
2002-04-15  0:10     ` Alan Cox
2002-04-15  0:28       ` ivan
2002-04-15  5:18         ` xystrus
2002-04-15  6:10           ` john slee
2002-04-15  9:09         ` Alan Cox
2002-04-15 10:00         ` David Schwartz
2002-04-15 12:25         ` Eugenio Mastroviti
2002-04-15 15:59           ` Kervin Pierre [this message]
2002-04-16  0:36             ` David Schwartz
2002-04-15 11:30     ` Roy Sigurd Karlsbakk
2002-04-15  0:03 ` Tomasz Rola

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