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Editorial Team
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Asked: 2026-06-17T04:57:00+00:00

I am working on an Application which would need to store small files (images

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I am working on an Application which would need to store small files (images , word doc, ppts and pdfs)

I want to use a cloud service which will enable me to do this without caring about Disk space and other stuffs.

  1. It should have an Java api already built for it or else a simple
    Restful service.
  2. Cost is not a big concern, performance is.

And to be more specific which one would be better: Amazon or Google Cloud storage? Any other better than these are also welcome.

This is not about the best one, I want to understand the pros and cons of these Cloud services.

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1 Answer

  1. Editorial Team

    I can only answer for the google app engine.
    There are 3 possible options:

    • App Engine Datastore (High Replication Datastore) [1]
    • App Engine Blobstore [2]
    • Google Cloud Storage [3]

    The Datastore is fast, but has a size limit of 1mb, and that is to small for your files.

    App Engines Blobstore is maybe what you are searching for. You can save many files and access them in a acceptable time.

    Google Cloud Storage is slower, but has more features. You have to check if you need this features, if not, use Blobstore instead.

    I choosed Cloud Storage, but my program was very slow because of the slow read/write time between GAE and GCS. I had to write a asynchronous save task with a cache to speed up my application (this is only available in GAEs backends).

    [1] https://developers.google.com/appengine/docs/java/datastore/overview

    [2] https://developers.google.com/appengine/docs/java/blobstore/overview

    [3] https://developers.google.com/appengine/docs/java/googlestorage/overview

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