Are you still having this issue? I'm curious to learn if this has cleared up
because here's a random guess. When entities are deleted they are just
marked as deleted and then later garbage collected, so perhaps the datastore
viewer has a very low timeout set and it is starting with the beginning
My problem:
1. I execute a massive delete over a large number of entities (30 million),
using a mapreduce-based job similar to Ikai's one (*)
2. Then both the datastore viewer and the datastore statistics in the
dashboard become unavailable: I get this famous the server encountered an
error