One more question. How to make massive update? If it takes more then 30 sec engine probably will cancel it. What are possible ways to do it?
Thank you, Andrey On Apr 12, 4:18 pm, "Ikai L (Google)" <[email protected]> wrote: > No, it should be fine UNLESS you want to load all these child objects in a > single request. As a rule of thumb, load as little data as possible. You may > need to denormalize (the datastore isn't relational anyway) for additional > read performance. > > For a better answer, you may want to describe what it is you are trying to > do. > > > > > > On Mon, Apr 12, 2010 at 6:57 AM, ailinykh <[email protected]> wrote: > > Hello, everybody! > > I have objects with owned one to many relationship. Child table is > > supposed to grow, each parent eventually will have thousands or even > > more child objects. > > May it cause any performance issues? Is there any best practice to > > handle this situation? > > > Thank you, > > Andrey > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine for Java" group. > > To post to this group, send email to > > [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<google-appengine-java%2B > > [email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine-java?hl=en. > > -- > Ikai Lan > Developer Programs Engineer, Google App > Enginehttp://googleappengine.blogspot.com|http://twitter.com/app_engine -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" 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-java?hl=en.
