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Compute_Next = fun(Ring1,Ring2) -> | |
Owners1 = riak_core_ring:all_owners(Ring1), | |
Owners2 = riak_core_ring:all_owners(Ring2), | |
Owners3 = lists:zip(Owners1, Owners2), | |
[{Idx, PrevOwner, NewOwner, [], awaiting} | |
|| {{Idx, PrevOwner}, {Idx, NewOwner}} <- Owners3, | |
PrevOwner /= NewOwner] | |
end. | |
N = app_helper:get_env(riak_core,target_n_val,4), | |
{ok,Ring}= riak_core_ring_manager:get_my_ring(), | |
NewRing = riak_core_claim:claim(Ring,{riak_core_claim,wants_claim_v3},{riak_core_claim,choose_claim_v3}), | |
Next = Compute_Next(Ring,NewRing), | |
io:format("Initial Ring:~n~p~n",[riak_core_claim_util:ring_stats(Ring,N)]), | |
io:format("After ~p ownership changes:~n~p~n",[length(Next),riak_core_claim_util:ring_stats(NewRing,N)]). |
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