On Jan 19, 5:42 pm, Alexander Kojevnikov <[email protected]>
wrote:
> From your second link:
>
> All entities in a group are stored in the same datastore node.
>
> I guess this means that entities from the same group are stored close
> to each other. When your query uses "ANCESTOR IS", the query engine
> can take advantage of this. Just a speculation though...
Yeah, one idea we tossed around at the office was that it knows
*which* node to go to to fetch the entities. It'd be awesome to get
clarification about this though, it looks like a pretty big
performance boost.
Additionally, the ms-cpu advantage is lost if you add an "ORDER BY"
clause to the GQL.
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