Brett Slakin on the App Engine team gave a great talk about a problem similar to what you are describing at last year's Google I/O and how to solve it. You may want to check this video out:
http://code.google.com/events/io/2009/sessions/BuildingScalableComplexApps.html <http://code.google.com/events/io/2009/sessions/BuildingScalableComplexApps.html>How are your models current set up? On Fri, Jan 15, 2010 at 1:10 AM, Lucian Baciu <[email protected]> wrote: > I have a root User entity and a child Note entity. Each User can have > many Note entities. The Note entity has four indices. > > I've noticed that as the number of Note entities for a User increases > so does the request time/latency and CPU used on Note insert > operations. When the number on Note entities for a user is about 1000, > an insert Note request takes about 10 seconds in request time and > about 40 seconds of CPU, which is very high and as it continues to > increase it makes my app unusable. > > Is there something I can do to optimize this, or is this an app engine > issue? > > Thanks, > Lucian > > -- > 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%[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 Engine--
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