[google-appengine] Re: Datastore contention errors after switching from DB to NDB Cloud

2020-03-03 Thread 'Pierre-Yves (Google Cloud Support)' via Google App Engine
Hello Remko, Just to clear any confusion, the product I was referring to was “Firestore in Datastore mode”. Although the names are similar, “Firestore” and “Firebase” are different in that “Firebase” is a development platform and “Firestore” is the new-generation of NoSQL Cloud Database. In

[google-appengine] Re: Datastore contention errors after switching from DB to NDB Cloud

2020-03-02 Thread Remko Tronçon
Hi Pierre-Yves, Thanks for your comments. I'm aware of what causes contention errors, and how to resolve them. However, I'm just surprised that moving from the DB (*not* NDB) library to the Cloud NDB library suddenly causes contention errors. (and it's significant; e.g. a model that never used

[google-appengine] Re: Datastore contention errors after switching from DB to NDB Cloud

2020-03-02 Thread 'Pierre-Yves (Google Cloud Support)' via Google App Engine
Hello Remko, Contention errors are usually observed when updating entities too rapidly, or when high read or write rates to lexicographically close documents. Since you recently changed the library to Cloud NDB, you may review this migration guide [1] which outlines key differences. One of

[google-appengine] Re: Datastore contention on bulkloader upload.

2010-09-28 Thread Nicky
I am getting the same error and I have unique entities as well. Does anyone have any ideas? -- 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-appeng...@googlegroups.com. To unsubscribe from this

[google-appengine] Re: Datastore contention

2009-12-11 Thread Nickolas Daskalou
On Dec 11, 7:37 pm, Jeff Schnitzer j...@infohazard.org wrote: An entity group is a group of objects, not classes. Ah, this makes more sense. Thanks Jeff! Nick -- You received this message because you are subscribed to the Google Groups Google App Engine group. To post to this group, send