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From Nick Vatamaniuc <vatam...@gmail.com>
Subject Re: [DISCUSS] Node types in CouchDB 4.x
Date Wed, 20 Nov 2019 17:09:37 GMT
Makes sense, thanks for explaining, ermouth!

On Wed, Nov 20, 2019 at 10:44 AM ermouth <ermouth@gmail.com> wrote:
>
> > with exact terminology like "index" vs
> > "query" service
>
> ‘Index service’ holds index trees, which may require different sharding
> than docs. Index service is mostly about IO, partitioning pre-calculated
> data records.
>
> ‘Query service’ runs queries, which may involve fetching index, complex
> sub-querying, filtering, grouping, etc. Something like view + _list call in
> CouchDB, often CPU-bound, so sharding is more about load balancing than
> data partitioning.
>
> ermouth
>
>
> вт, 19 нояб. 2019 г. в 22:53, Nick Vatamaniuc <vatamane@gmail.com>:
>
> > > Isn’t it an approach used by Couchbase?
> > https://docs.couchbase.com/server/current/clustersetup/services-mds.html
> >
> > Thanks for the link. From taking a quick look over it, I think it is?
> > Though I am not familiar with exact terminology like "index" vs
> > "query" service in that context.
> >

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