As I said, these are two different collections. —wunder

> On Sep 13, 2023, at 12:08 PM, Mikhail Khludnev <m...@apache.org> wrote:
> 
> Hello Walter.
> I think the former has a place - join picks local replica or fail. I don't
> think join query (unless crossCollection) bothers about shard preference.
> 
> On Wed, Sep 13, 2023 at 7:21 PM Walter Underwood <wun...@wunderwood.org>
> wrote:
> 
>> We have a sharded collection that joins with a non-sharded collection. The
>> non-sharded collection has a replica on every node. Does the join
>> automatically choose the local replica or do we need to pass in a shard
>> preference param?
>> 
>> wunder
>> Walter Underwood
>> wun...@wunderwood.org
>> http://observer.wunderwood.org/  (my blog)
>> 
>> 
> 
> -- 
> Sincerely yours
> Mikhail Khludnev

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