Where is the memory

[scuba at centroin.com.br]

Hi,

On Mon, 4 Jul 2005, Hornet wrote:

|In top, if you type in "u" it will prompt you for an account which you
|can monitor the processes and mem. Of course, this will not work for
|apps that are opened under different credentials.

	And does not change the amount of total free memory.
	My problem is that I think something in the system is allocating
memory and not releasing it.
	The same applications used to run on a Freebsd 4.7 BOX with 1GB
RAM, and only in some few cases had to swap out.
	Now, I´m moving to another machine with 2GB RAM, and I´m seeing
where is the extra memory. I expected to have more free memory now.

- Marcelo Souza

|On 7/4/05, scuba at centroin.com.br <scuba at centroin.com.br> wrote:
|> Hi,
|>
|>         How can I track where/who is using the system memory?
|>
|>         I have a 2GB (RAM) system running Freebsd 5.4, basically as a mail
|> gateway.
|>
|>         After a few hours up, TOP shows me about 300MB of free memory. No
|> swap yet.
|>
|>         But the sum of RSS column of "ps axum", gives me about 600MB used.
|>         I know that kernel allocated memory doesn´t show in ps, but I
|> think it´s not using 1.4GB.
|>
|>         The head of top is like this:
|>
|> last pid:  7323;  load averages:  1.49,  1.11,  1.30  up 4+05:57:30  19:01:05
|> 184 processes: 1 running, 183 sleeping
|> CPU states: 16.7% user,  0.0% nice,  3.5% system,  0.6% interrupt, 79.3% idle
|> Mem: 333M Active, 1218M Inact, 157M Wired, 42M Cache, 112M Buf, 256M Free
|> Swap: 8192M Total, 8192M Free
|>
|>         Also, why there is a difference between free memory reported by
|> top and vmstat?
|>
|>         Could it have some memory leak? Is there any report of it in
|> freebsd 5.x?
|>
|> Thank you,
|>
|> - Marcelo
|>
|>
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- Marcelo