Memory usage tracking

[tcak via Digitalmars-d-learn]

On Sunday, 10 May 2015 at 09:44:42 UTC, tcak wrote:
> I am testing my web server right now. I started 5 separate 
> consoles and continuously sending request by using "curl" to it.
>
> It uses shared memory as well, thought from `ipcs -a`, I don't 
> see more than necessary amount of allocation.
>
> At the moment, server received about 1.5M requests, and memory 
> usage has reached to 128MB according to System Monitor of 
> Ubuntu. (top gives a similar value as well). I saw now on `top` 
> command that about 650KB shared memory is used only.
>
> Is there any way to find out what is using that big space in 
> memory? Would `-profile` do that?
>
> Problem is that if I was to be using `-profile` flag, server 
> would slow down, and I wouldn't be able to test it correctly 
> already.

Hmm. Server was compiled in debug mode. Right now, it is 2.2M 
requests, and 174MB memory is in use.