Re: [google-appengine] Re: Transaction Failed Exception from a non-transactional .put()

That error is about write limits on entities within the same entity group - it actually doesn’t have anything to do with a transaction. The old datastore documentation has a better explanation of this:  https://cloud.google.com/appengine/docs/python/datastore/structuring_for_strong_consistency

[google-appengine] Re: Transaction Failed Exception from a non-transactional .put()

Salutations Kartik, Contention happens when you are doing to many writes per second. This is a great article on avoiding it. If you give some more details as to what you are doing I might be able to give some more specific

[google-appengine] Re: Transaction Failed Exception from a non-transactional .put()

We are facing the same issue thought we have non-transnational. Any ideas ? Here is the stacktrace: File "/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/db/__init__.py", line 1077, in put return datastore.Put(self._entity, **kwargs) File "/base/data/hom