[Spread-users] New to spread, some questions

Ryan Caudy rcaudy at gmail.com
Thu Feb 3 21:59:21 EST 2005

You seem to understand this correctly.  The set of spread daemons
(identified by hostname/ip address) must be known when the daemons are
started.  The limit of 128 spread daemons (#define'd as
MAX_PROCS_RING) is fixed at compile-time -- you might be able to make
some changes to this, but I'm not sure if anyone has done so, and
there may be complications that I can't think of off the top of my
head.  As far as I know, there aren't currently plans to change
Spread's functionality in these respects.

One thing to consider is that the 128 limit is a limit of the number
of daemons -- the number of clients is a large multiple of this. 
Also, you can run more than one Spread network on an overlapping set
of machines -- they simply must use different ports, or different
multicast/broadcast addresses.


On Thu, 3 Feb 2005 18:46:54 -0800 (PST), pedro smith <und_pep at yahoo.com> wrote:
> Hi there, 
> I just found Spread and I am very interested in learning more about its
> capabilities. I am considering using something like spread in a financial
> system. However I am worried about two issues. First, it seems that the list
> of machines participating in a spread segment must be know at system boot
> time. Is this right? Would I have to reinitialize every spread daemon in the
> system to add a new machine? Second, do I understand correctly that there is
> a hard limit of 128 machines in a spread network? If so, are there any ways
> around this limit, perhaps by bridging separate networks? 
> Thanks in advance for any help, 
> -pp 
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