[erlang-questions] massive distribution
Kevin A. Smith
Tue Dec 1 15:08:29 CET 2009
Fully connected meshes suck for large numbers of nodes. Erlang provides a number of knobs to control how a cluster is stitched together such as "-connect_all false" and "-hidden". Also, tuning the net tick time (see man 3 net_kernel and man 6 kernel) can be helpful in keeping a large cluster running.
On Dec 1, 2009, at 5:32 AM, Roberto Ostinelli wrote:
>> If you're talking about the built-in Erlang distribution mechanisms --
>> FWIW: in a quick test I did a while ago I had trouble keeping stable
>> connections for more than ~80 connected nodes. I must admit I was a bit
>> surprised as the "Efficiency Guide" seems to imply that the number
>> should be much higher (?).
>> Possibly the number of known (but not connected) nodes can be higher
>> than this.
> thank you peter.
> 80 connected nodes seems a low number if one seriously need to build
> cloud applications.
> i guess that one needs to develop his own mechanisms for
> interconnecting nodes in a way more similar to a custom 'mesh
> networking' [pardon the conceptually wrong extension of this term]?
> would that be more appropriate, to your belief?
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