RE: Max cfservd connections

[Mark Burgess]

Alas there is no standard way to find the number of file descriptors.
That is better left to a sysadmin than coding.

M

On Tue, 2005-10-18 at 11:58 -0700, Martin, Jason H wrote:
> Another option is to tie it to the number of file descriptors available
> to your process and cap it to some value slightly below that. If the
> user specified a value above the cap then emit a warning and use the
> lower value.
> 
> -Jason Martin
> 
> > -----Original Message-----
> > From: 
> > help-cfengine-bounces+jason.h.martin=cingular.com@gnu.org 
> > [mailto:help-cfengine-bounces+jason.h.martin=cingular.com@gnu.
> > org] On Behalf Of Martin, Jason H
> > Sent: Tuesday, October 18, 2005 11:52 AM
> > To: Mark Burgess; David Masterson
> > Cc: help-cfengine@gnu.org
> > Subject: RE: Max cfservd connections
> > 
> > 
> > Even with a fully loaded Sun F15K with several GigE 
> > interfaces and some really fast storage?
> > 
> > OK, I wish I had that, but there are all kinds of 
> > possibilities :> At a minimum the cap should be documented, 
> > but preferably removed entirely.
> > 
> > -Jason Martin
> > 
> > > -----Original Message-----
> > > From: Mark Burgess [mailto:Mark.Burgess@iu.hio.no]
> > > Sent: Tuesday, October 18, 2005 11:46 AM
> > > To: David Masterson
> > > Cc: Martin, Jason H; help-cfengine@gnu.org
> > > Subject: RE: Max cfservd connections
> > > 
> > > 
> > > 
> > > Anyone with such a system would be out of their mind to
> > > expect a single machine to cope with such a load,
> > > 
> > > M
> > > 
> > > On Tue, 2005-10-18 at 10:52 -0700, David Masterson wrote:
> > > > A large system with many network connections in an environment
> > > > supporting thousands of machines and (for whatever reason) 
> > > no use of
> > > > SplayTime?
> > > > 
> > > > Also consider the reverse -- a tightly controlled *small*
> > > system that
> > > > a user wants to severely limit the maxprocesses to prevent
> > > runaways,
> > > > so he lowers maxprocesses.
> > > > 
> > > > Mark Burgess wrote:
> > > > > Fair enough - it was meant to be a silly number. I did not
> > > > > anticipate anyone contemplating this. I would be 
> > > interested to know
> > > > > he circumstances in which it is actual to expect 1000 
> > simulaneous
> > > > > connections to a single machine.
> > > > > 
> > > > > M
> > > > > 
> > > > > On Tue, 2005-10-18 at 10:13 -0700, David Masterson wrote:
> > > > >> Arbitrary numbers should be configuration items.  ;-)
> > > > >> 
> > > > >> Mark Burgess wrote:
> > > > >>> This is just an arbitrary number. Most systems will not
> > > want to go
> > > > >>> higher -- but if you do, then change it. M
> > > > >>> 
> > > > >>> On Mon, 2005-10-17 at 16:14 -0700, Martin, Jason H wrote:
> > > > >>>> I'm curious, does anyone know why cfservd is limited to 1000
> > > > >>>> concurrent connections?
> > > > >>>> 
> > > > >>>>> From the latest cfservd.c:
> > > > >>>> if ((CFD_MAXPROCESSES < 1) || (CFD_MAXPROCESSES >
> > > 1000))       {
> > > > >>>>       FatalError("cfservd MaxConnections with silly
> > > value");      
> > > > >>>> }
> > > > >>>> 
> > > > >>>> Thank you,
> > > > >>>> -Jason Martin
> > > > 
> > > 
> > > 
> > 
> > 
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