i haven't measured the time it takes for the transformation recently, but 
note that the serving URL does not change, so i only generate it when a new 
blob is uploaded and store the URL on the object in my datastore so that it 
takes 0 time to generate in the future.

On Saturday, April 23, 2016 at 5:35:18 AM UTC-7, David de Kloet wrote:
>
> Hello,
>
> I just noticed that turning a blob key into an image serving URL is very 
> slow, often over 200ms.
> Is this expected or am I doing something wrong?
> I assumed that turning a blob key into a serving URL would be a simple 
> string transformation, but even if it needs to make a request to another 
> service, 200ms seems very slow.
> If it makes any difference, I'm using Go, and I just noticed that the 
> "appengine" libraries have been deprecated by "google.golang.org/appengine", 
> but I haven't updated yet.
>
> Thanks,
> David
>

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