4 ms·

I think you misunderstood. The SDK [1] is open source (which has a toy implementation of the backend services: data store, queue, etc.) The actual backend servi

I think you misunderstood. The SDK [1] is open source (which has a toy implementation of the backend services: data store, queue, etc.) The actual backend services that Snapchat uses live on Google servers and are not open sourced. And that is the secret sauce I was referring to. [1] https://code.google.com/p/googleappengine/ https://code.google.com/p/googleappengine/

abritishguy 12y ago
Almost all of the SDK source is also used in production app engine. Taking datastore for example, the performance characteristics of different queries is negligible - any optimisations are done at the level for which the code is open source.