Improve throughput of ndb query over large data

Question

I am trying to perform some data processing in a GAE application over data that is stored in the Datastore. The bottleneck point is the throughput in which the query returns ent

Answer 1

The new experimental Data Processing feature (an AppEngine API for MapReduce) might be suitable. It uses automatic sharding to execute multiple parallel worker processes, which may or may not help (like the Approach C in the other linked question).