[erlang-questions] gen_leader status

[Mark Allen]

OK, thanks for the info - I know Joe Blomstedt has been working on leader
elections in the context of the paxos implementation on top of Riak.
Maybe that code could eventually be sifted out into its own library. Until
then we will have to use something else. Maybe a distributed lock - has
anyone used Ulf's locks library in production?

Thanks.

Mark


On 5/19/14 5:44 PM, "Geoff Cant" <nem@REDACTED> wrote:

>I re-implemented the Async Bully algorithm a couple of years ago - the
>code is here: https://github.com/ngmoco/gl_async_bully
>
>It's probably only useful as a reference - it had one production
>deployment, but contains shortcomings such as not being able to modify
>the set of candidate nodes while online.
>
>I am personally dubious of the correctness of all the Erlang leader
>election libraries I'm aware of, for either code quality issues or lack
>of quickcheck tests - having tried to implement this I now understand how
>hard it is to get right. My own implementation lacks tests and I include
>it in the list of implementations I'm dubious of :)
>
>Even the academic literature on distributed leader election seems pretty
>light, or leaves important operational concerns (such as modifying the
>candidate node set) unspecified; when you add these operations to the
>protocol, you're no-longer running the algorithm that was proved correct
>in the paper.
>
>Cheers,
>--
>Geoff Cant
>
>On 2014-05-16, at 14:48 , Mark Allen <mallen@REDACTED> wrote:
>
>> Is https://github.com/chenyu468/gen_leader_revival the "best" repo for a
>> leader election behavior?
>> 
>> Is there a better (more up-to-date) fork of this or some other
>> implementation that we should consider instead?
>> 
>> Thanks.
>> 
>> Mark
>> 
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