[erlang-patches] Non-overlapping Application Distribution Node Sets

Henrik Nord <>
Mon Feb 17 10:00:06 CET 2014


Ping!



On 2013-06-19 16:01, Siri Hansen wrote:
> Hi Vance,
>
> we have decided that we would like to take in this functionality if 
> the bug I mentioned in my last mail is corrected and some more 
> extensive tests are added. We also need an update of the 
> documentation, of course.
>
> Thanks for your contribution!
> /siri
>
>
> 2013/6/14 Vance Shipley < <mailto:>>
>
>     On Thu, Jun 13, 2013 at 02:46:38PM +0530, Vance Shipley wrote:
>     }  The use case is simply that we run the same application on each
>     node in
>     }  a distributed Erlang cluster and want to designate a standby
>     node for
>     }  each as depicted below:
>
>     Siri,
>
>     For further clarification I should add that the node pairs need to
>     know about each other because they use distributed mnesia.  The node
>     pairs which may run an instance of an application each maintain a copy
>     of the mnesia tables which they need to run.  If serverA fails node2
>     will take over it's app1 instance and continue operation with the
>     current
>     tables.  The problem comes in with the fact that the active nodes all
>     use mnesia distribution and pg2 betwen them (e.g. node & node4) as
>     well.
>
>     --
>             -Vance
>
>
>
>
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> 
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-- 
/Henrik Nord Erlang/OTP

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