process limits

[der.hans]

Am 04. Sep, 2006 schwätzte David so:

> Does anyone know of an accurate way to get the number of processes that a 
> user is running?  'ps' doesnt seem up to the task.
>
> The reason I ask is because I was woken up at 3am the other day due to one of 
> our oracle servers freaking out.  Apparently, it had hit the soft limit on 
> the  number of processes it was allowed.  ulimit -u shows 2048 (previously). 
> ps -aux | grep oracle only shows about 150 or so, though. Changing the nproc 
> soft limit to 4096 fixed the issue (done in /etc/security/limits.conf).

Could it be that they all died off?

ps should show all the processes.

Walk /proc/$numbers yourself and see if there are any that aren't coming
up in ps.

Does Oracle have a process limit in its config?

ciao,

der.hans
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