All API is limited to 1MB, not only image API. 2009/4/18 Anuraag Agrawal <anura...@gmail.com>
> > When App Engine raised its request size limit from 1MB to 10MB, it > seemed like we would finally be able to use it for an image sharing > website as while reasonably sized digital camera images over 1MB are > very likely, it'd take an extremely professional camera image to break > the 10MB limit, which seemed like an acceptable limit to place on a > user's file uploads since those users are probably knowledgeable > enough to resize the images themselves anyways. API calls were still > limited to 1MB, and as the examples listed on the blog post were > memcache and datastore, it seemed to make sense since App Engine is > probably still designed to place a 1MB limit on its datastore > entries. This seemed like it'd be ok since it should be possible to > use the images API to resize any input images to less than 1MB before > storing them in the datastore, completely acceptable for our task. > However, after trying this and looking into some server errors, it > seems the images API is also limited to 1MB input files (which fits > with the 1MB limit on API calls, the fact just didn't register at > first). At least, that's how I'm interpreting the RequestTooLargeError > (The request to API call images.Transform() was too large) I get when > submitting a 1.5MB file. > > Is the limit on the images API by design/constraint? I imagine image > API calls aren't split across computers in a cluster or anything and > are run in place, with possibly some temp memory that's cleared > immediately, which makes having a limit smaller than the request size > seem a little strange to me. A 1MB limit on image files makes it hard > to support user submitted image uploads in a practical setting. I > know it's possible to split the image over datastore entries just to > store them, but we also need to be able to resize them to generate > thumbnails, etc. > > And if anyone's come up with a workaround splitting the input file > into parts to resize in parts, it'd be nice to hear. While PNG uses > DEFLATE and might not work, JPEG as far as I know cosine transforms > blocks independently so it seems like it could be possible. Though > it'd probably increase the load on the servers more than just having a > >1MB API call limit. > > Thanks. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---