[erlang-questions] large Erlang clusters

Viktor Sovietov <>
Sat Aug 16 22:48:07 CEST 2008


Hi Serge

As far as I know you're only limited with the maximum number of sockets
which are available on your system and with number of atoms which can be
used as node names.
We tested 600 nodes cluster, but I honestly can't recall if there were any
patches to BEAM to increase mentioned parameters.

Sincerely,

--Viktor


Serge Aleynikov-2 wrote:
> 
> Does any one have experience running somewhere between 200 and 400 nodes 
> in production?  I recall that Erlang distributed layer had a limit of 
> 256 nodes.  Is it still the case?
> 
> I suppose that partitioning the cluster in several global_groups should 
> limit the network load and the number of open file descriptors on each 
> node would be reduced.
> 
> Are there any other concerns one should be aware of when working with 
> such large clusters.
> 
> Serge
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