You can use the following Erlang snippet in `riak attach`:
N=3,
{ok,Ring} = riak_core_ring_manager:get_my_ring(),
DocIdx = riak_core_util:chash_key({<<"my_bucket">>, <<"my_key">>}),
<<I:160/integer>> = DocIdx,
Preflist = riak_core_ring:preflist(DocIdx, Ring),
{Targets, Fallbacks} = lists:split(N, Preflist),
Targets.
Verify that `N` matches your clusters N-val. Change `my_bucket` and `my_key` as
appropriate. If all of your nodes are up and healthy, this will give you the
primaries in the `Targets` variable and the fallback partitions in order of
preference in `Fallbacks`.
Regards,
Charlie Voiselle
Basho Client Services
> On Jan 12, 2015, at 4:28 PM, Jay Doane <[email protected]> wrote:
>
> Can anyone suggest how to determine the nodes on which a particular
> bucket/key are hosted in a cluster?
>
> Thanks,
> Jay
>
>
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