App Engine - Datastore vs Blobstore for user uploaded profile pics? -


Which should I use? What are the professional and cons to use each? Pictures will be below 100 kilobytes. The thumbnail of 3 kilobytes of each image will be retrieved much like the 2 to 5 on the view of each page on average

Considering latency in retrieving images, retrieving images, costs in CPU time, and which other factor would be better?

This question came recently and is a great and detailed one. Blobstore storage is cheap, and since the blogstor can serve images directly through your app, you will also gain efficiency and save CPU costs. In your case, caching is very important, and Bobstore will automatically cache your images. It takes more time to set up, but as the Swissquac said, the images were designed in exactly the same way.

Then the answer is: BlobStore.


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