Can we use cassandra / couchdb / mongodb with google engine infrastructure?

In any case, we can use the Google App Engine, but not use the Google bigtable?

As for storing my data, I would prefer to use cassandra and be able to connect and disconnect additional database servers.

And tell me, if I wanted to use CouchDb / MongoDb, and is it supported in the GAE infrastructure?

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3 answers

Short answer : None.

Longer answer . It depends on how you want / should use the database systems. You cannot run this system directly on AppEngine. But if low latency is not a precondition (as it would be with rare / periodic data samples), you can configure them on another host with some kind of HTTP API and request your services from appengine using urlfetch .

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Only my two cents:

I don’t think you can do what you want in the Google App Engine directly. If you really need other databases, then Amazon EC2 may be looking for what you are looking for.

Also, take a look at this: Using Quercus® to Launch a PHP WordPress Blog on the Google App Engine

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Yes, you can use the Cassandra database in the Google App Engine, but in your flexible environment . But at the moment, the flexible environment is in beta and is not recommended for use in production.

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