> The measured "ms-cpu" in the request logs comes out WAY smaller for > the "ANCESTOR IS" query (roughly 3,000ms-cpu vs. 30,000 ms-cpu for > 1,000 entities, and roughly this same ratio for smaller queries) > > Does anyone have any thoughts on this? Did I mess something up, or is > there something from the documentation, or is it something else > entirely? > >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... --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
