RE: memory usage

in linux, file system also maintains its cache, which gives us a feeling
that whole memory getting filled up. infact when some other program requests
for memory, the memory occupied by filesystem is automatically freed up and
given to that process. 
 
top - 12:39:21 up 3 days, 20:23, 23 users,  load average: 0.78, 1.04, 1.00
Tasks: 266 total,   5 running, 261 sleeping,   0 stopped,   0 zombie
Cpu(s): 75.5%us,  5.6%sy,  0.0%ni, 16.6%id,  2.3%wa,  0.0%hi,  0.0%si,
0.0%st
Mem:   1035676k total,   995916k used,    39760k free,    85536k buffers
Swap:  2096472k total,      144k used,  2096328k free,   416648k cached

there are some kernel parameters which control the amt of memory that always
needs to be kept free. can't get that param name from top of my head. you
can google for it
 
vasu

-----Original Message-----
From: ora-apps-dba-bounce@xxxxxxxxxxxxx
[mailto:ora-apps-dba-bounce@xxxxxxxxxxxxx] On Behalf Of Kenan Öztürk
Sent: Friday, May 18, 2007 7:39 PM
To: ora-apps-dba@xxxxxxxxxxxxx
Subject: memory usage


Hi all,

on RedHat A.S 3.0/4.0 I observer that free memory amount is really low. I
know that if it is swapping then there's a problem otherwise it is normal.
bu where this ram going?

After rebooting system and starting ebs services, i observe that ram usage
is increasing and only 10-50 mb free memory  remains!

 Regards,
Kenan




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