Sorry about late response... Thank you for your reply and answer for my question. I haven't care about ListProperty performance.. I'll read the articles of the links you've written.
E.Yamada On May 27, 1:32 am, Robert Kluin <robert.kl...@gmail.com> wrote: > 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#B... > > 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 <edo808...@gmail.com> 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 google-appengine@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://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 google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.