Memory Utilization on Linux

[Nilesh]

Does some one know how to find out memory utilization
by each running application 

I have tried with ps -eo rss,pcpu,comm,user,pid,time 
but the rss value and top usgae value is different

could some one help me how do i find it out 
 

--- Nilesh <niluforalways at yahoo.com> wrote:

> Thanks for the reply but pmem gives memory
> utilization
> in percentage I want in kb's or mb's
> it is actutal memory utilzation 
> 
> --- chockalingam <chockalingam.shanmugam at gmail.com>
> wrote:
> 
> > try pmem along with the command you used :
> > 
> > #ps -eo rss,pcpu,comm,user,pid,time,*pmem* |sort
> > -rnk1|head -20
> > 
> > --lingam
> > 
> > 
> > On 3/29/07, Nilesh <niluforalways at yahoo.com>
> wrote:
> > >
> > > Hello,
> > >
> > > I would like to know how much physical memory
> > > consumned by each runing applications on Linux
> > > The ps and top are showing different outputs, I
> > could
> > > not find it out , what ammount of actual memory
> > > consumed by each runing process on my system
> > >
> > > The scenario is :
> > >
> > > The physcial memory installed on Linux system is
> > > 1024MB
> > >
> > > Top command output :
> > >
> > > top - 02:11:57 up 18:48,  2 users,  load
> average:
> > > 0.00, 0.00, 0.00
> > > Tasks: 126 total,   1 running, 125 sleeping,   0
> > > stopped,   0 zombie
> > > Cpu(s):  0.0% us,  0.2% sy,  0.0% ni, 99.8% id, 
> > 0.0%
> > > wa,  0.0% hi,  0.0% si
> > > Mem:   1026328k total,   810848k used,   215480k
> > free,
> > >   47032k buffers
> > > Swap:  2040244k total,        0k used,  2040244k
> > free,
> > > 316708k cached
> > >
> > > Free command output :
> > >
> > > Free -mt
> > >                        total       used      
> free
> > > shared    buffers     cached
> > > Mem:                1002        791        210
> > > 0         45        309
> > > -/+ buffers/cache:              436        565
> > > Swap:               1992          0         1992
> > > Total:                 2994        791      
> 2203
> > >
> > > The free command is showing 436MB used and 565MB
> > is
> > > free but the Top command is showing 810MB is
> used
> > and
> > > 215MB is free
> > > why cached is showing 309MB is it swap memory If
> I
> > > calculate it comes to 436+309+45=791 how cache
> is
> > > distributed with each application
> > > is cache and VIRT is same
> > >
> > > could anyone tell me how do I find out exact
> > physical
> > > memory occupied by each applications.
> > >
> > > If go with ps command, is RSS is write value or
> > > Virtual Memory + RSS ( Resident set size) value
> > >
> > > #ps -eo rss,pcpu,comm,user,pid,time |sort
> > -rnk1|head
> > > -20
> > >
> > > 242896  0.1 java           501       5294
> 00:01:28
> > > 27628  0.0 spamd           root      3314
> 00:00:01
> > > 25380  0.0 spamd           root      3093
> 00:00:00
> > > 23624  0.0 spamd           root      3315
> 00:00:00
> > > 22656  0.0 mysqld          mysql     9573
> 00:00:00
> > > 22656  0.0 mysqld          mysql     5415
> 00:00:02
> > > 22656  0.0 mysqld          mysql     5340
> 00:00:00
> > > 22656  0.0 mysqld          mysql     5336
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3322
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3321
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3320
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3319
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3311
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3310
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3309
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3308
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3307
> 00:00:00
> > > 22656  0.0 mysqld          mysql     3233
> 00:00:00
> > > 22656  0.0 mysqld          mysql    22854
> 00:00:00
> > > 22656  0.0 mysqld          mysql    22853
> 00:00:00
> > >
> > > Thanks
> > > Nilesh
> > >
> > >
> > >
> > >
> > >
> > >
> >
>
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> 
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