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I am looking for the restrictions on file upload sizes per browser and environment to try and find my bottleneck. I’ve been told it’s 2 gigs but I don’t know where/what the limiting factor is. Specifically, I’m looking for the max size for each of the below:
Note: We are using native browser upload; no flash, java, or the like
I would imaging the “2 gig limit” mentioned is a result of 32-bit integers (read: most 32-bit programs/servers) used throughout the various infrastructure — it’s only relatively recently that 64-bit file access has made it into consumer operating systems. (In addition to the above end-points, any intermediate proxies as well as file-systems, etc, must also be considered as limiting factors).
I can’t find anywhere in RFC 2616 that actually sets the “upper limit” for things such as Content-Length though.
Edit (my thoughts): If it’s a captive audience, perhaps use an alternative (e.g. Flash/Silverlight/ActiveX/etc) agent for the uploads?