I\'m trying to upload some records to my local data store using appcfg.py Only a small number of records are actually inserted and I get the following output (with a ton of errors):
bulkoader.yaml: transformers: - kind: ExampleModel connector: csv property_map: - property: __key__ 开发者_如何学Python
How d开发者_如何学编程oes the performance of db.get() compare with that of db.get_by_key_name()?get_by_key_name must compute the keys based on app, model, name and parent, so it should consume a (tiny
I\'ve been working with Google App Engine and I\'m running into some slow performance with some of my data queries. I\'ve read that designing an App Engine datastore is a different mindset from workin
I\'m in the process of spiking a conversion from MySQL to Cassandra for PenWag.com.In Cassandra, I\'m storing Users keyed off of a GUID, but users sign in with their email, not the GUID (obviously).GU
may i know in \'nosql\' there is limitation just like bigtable where we should \'denormalized\' our table/entity ?
I\'m developing an application for Google App Engine which uses BigTable for its datastore. It\'s an application about writing a story collaboratively. It\'s a very simple hobby project that I\'m wor
I would like to do a batch put of entities with pre-defined keys using the l开发者_如何学JAVAow-level api for Java.
I have couple of entities with properties numbering in the range of 40 - 50. All these properties are unindexed. These entities are a part of a larger entitygroup tree structure, and are always retrie
Background:::: I\'m working with google app engine (GAE) for Java.I\'m struggling to design a data model that plays to big table\'s strengths and weaknesses, these are two previous related posts:
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