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I was wondering if anyone knew how long image urls served back from the google app engine blob store remain valid for?
I have been tracking on url that i served an image from the blob store on 1/3/13 and its still there.
I am ask specifically so i can cache the image url instead of attempting to serve it repeatedly. If i did this i would still check if the image is there, but how often would i need to check that
thanks!
They remain valid until either you
a. call delete_serving_url, or
b. delete the underling blob.