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Old 03-03-2005, 08:48 PM   #1
audibel
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Registered: Oct 2004
Distribution: Debian Sarge
Posts: 177

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buffer/cache variable for free command...


I'm using cynapses for karamba, and would like to change the Memory Load section to display the actual RAM being used for running applications, so what I want to know is the variable used for buffer/cache used, and buffer/cache free. And if anyone could point me in the direction of a repository for similar information I would be very grateful.

ie %mu = memory used

Last edited by audibel; 03-03-2005 at 08:52 PM.
 
Old 03-04-2005, 04:32 PM   #2
foo_bar_foo
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Registered: Jun 2004
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free.c a program in the procps package
(i think that's what you mean)
it's very simple
 
Old 03-04-2005, 06:49 PM   #3
audibel
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Registered: Oct 2004
Distribution: Debian Sarge
Posts: 177

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I apologize, don't know why I thought it was from the free program, but it's not... Got my question answered from karamba at sourceforge, but you still taught me something new, and I'm trying to learn some C... so thanks.
 
Old 12-14-2007, 02:54 PM   #4
buckeyedog
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Registered: Oct 2007
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Linux Memory Questions

Thanks in advance, I have a Redhat Linux server that is showing 6GB of RAM being used out of 8GB. This server is running Oracle and my dba's have shutdown oracle. I do not see any oracle services running, but in my free command and top command it tells me Memory is being used.

I am assuming somewhere this memory is being cached(hence the cached field) how do I find out what process has caused this? Or is this a setting I have to change?

[root@hqoradev05 oracle]# free
total used free shared buffers cached
8165732 6995032 1170700 0 411608 5980664
-/+ buffers/cache: 602760 7562972
Swap: 16386292 0 16386292


[root@hqoradev05 oracle]# cat /proc/meminfo
MemTotal: 8165732 kB
MemFree: 1170636 kB
Buffers: 411608 kB
Cached: 5980664 kB
SwapCached: 0 kB
Active: 3149616 kB
Inactive: 3342372 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 8165732 kB
LowFree: 1170636 kB
SwapTotal: 16386292 kB
SwapFree: 16386292 kB
Dirty: 60 kB
Writeback: 0 kB
Mapped: 116684 kB
Slab: 466448 kB
CommitLimit: 20469156 kB
Committed_AS: 1236900 kB
PageTables: 2728 kB
VmallocTotal: 536870911 kB
VmallocUsed: 272692 kB
VmallocChunk: 536598107 kB
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 2048 kB
 
  


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