[ale] fork killer

[Geoffrey Myers]

Josh Murrah wrote:

> I had a lot more than 280 proceses, 280 was the system load. cat
> /proc/loadavg to get your current load.  It hangs around somewhere under
> 1, most of the time.  I've seen it as high as 400, but this is definitly
> extreme.

Again, speaking from my experience with SVR4, you could define the maximum number
of processes per id as well as the maximum number of total processes.  They
certainly are different things.

>
>
> Josh Murrah, jmurrah at salug.org, http://www.salug.org/~jmurrah, ICQ 4613433
> ------------------------~~~===<[^]>===~~~----------------------------
> This mail is a natural product.  The slight variations in spelling and
> grammar enhance its individual character and beauty and in no way are to
> be considered flaws or defects.
>
> On Wed, 12 Nov 1997 chrisf at computone.com wrote:
>
> > How can you have a UINX system that is powerful if the process # can only be
> > 280?  Seems like a limitation to me.
> >
> > Chris
> > On 12-Nov-97 Josh Murrah wrote:
> > >
> > >My experience with recent RedHat has been that this program will cause
> > >fork errors, as like you said there is a max. number of proceses.
> > >However, even with this limitation under RedHat, I still managed to drive
> > >the load to 280.
> > >
> > >
> > >Josh Murrah, jmurrah at salug.org, http://www.salug.org/~jmurrah, ICQ 4613433
> > >------------------------~~~===<[^]>===~~~----------------------------
> > >This mail is a natural product.  The slight variations in spelling and
> > >grammar enhance its individual character and beauty and in no way are to
> > >be considered flaws or defects.
> > >
> > >On Wed, 12 Nov 1997, Geoffrey Myers wrote:
> > >
> > >> Christopher Fowler wrote:
> > >>
> > >> > What can keep someone from running this program and taking down linux
> > >> > box
> > >> > ---- cut here ----
> > >> > #include <unistd.h>
> > >> > main()
> > >> > {
> > >> >         int X=0;
> > >> >         do
> > >> >                 fork();
> > >> >         while ( X == 0 )
> > >> >         return 0;
> > >> > }
> > >> > ---------------------
> > >>
> > >> I don't have enough experience with Linux, but I do know that in
> > >> SVR3/SVR4 you could limit the maximum number of processes per user via
> > >> kernel tunables.  Is this possible under Linux?
> > >>
> > >> --
> > >> Until later: Geoffrey           geof at abraxis.com
> > >>
> > >>
> > >>
> > >>
> >
> > ----------------------------------
> > Christopher Fowler
> > Sales Engineering Manager
> > Computone Corporation
> > 1100 Northmeadow Pkwy
> > Roswell, GA 30076
> > ----------------------------------
> >



--
Until later: Geoffrey           geof at abraxis.com