Hi,
The number of entities should have effectively no impact on query
performance; the number of results returned by a query will of course
impact performance (fetching more takes longer). I'm not sure what
you're asking about index size, but the number of indexes you have
will negatively impact your write performance. Indexes generally
increase the performance of queries.
The thing to be aware of when using SearchableModel is that it uses
a ListProperty to index the search terms. There are some caveats
around ListProperty and indexes, these are discussed in the docs.
http://code.google.com/appengine/docs/python/datastore/queries.html#Big_Entities_and_Exploding_Indexes
You can also find some discussion of how the datastore works in the
articles. These can be quite useful in improving your understanding.
http://code.google.com/appengine/articles/datastore/overview.html
Robert
On Tue, May 24, 2011 at 17:24, yamadaag <[email protected]> wrote:
> Hello!
>
> I'm creating a web-app on Google App Engine/Python now.
> I use searchableModel to search entities from datastore, and I'm
> wondering how does the number of entities or size of indexes would
> affect searching speed.
> Does anyone know about it, or knows where I can see the pages/
> documents about it?
>
> E.Yamada
>
> --
> You received this message because you are subscribed to the Google Groups
> "Google App Engine" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected].
> For more options, visit this group at
> http://groups.google.com/group/google-appengine?hl=en.
>
>
--
You received this message because you are subscribed to the Google Groups
"Google App Engine" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/google-appengine?hl=en.
