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web browser timeout - slow server

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  web browser timeout - slow server Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2024-12-03 19:27 +0000
    Re: web browser timeout - slow server Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-12-03 20:45 +0000

#8522 — web browser timeout - slow server

I've just run full tilt into an unexpected problem.

I have a web server that calculates a number (perhaps 10 - 100 or 
potentially more) of images and delivers a zip file for download.

I'm now finding the browser is timing out and resending the form data. 
It's been causing obscure download errors. The zip file takes maybe a 
minute or more to calculate even for smallish test requests.

I'd not anticipated any such timeout, so feel up the proverbial gumtree. 
A web interface seemed a natural way to go as an extension of an 
existing system, but the image calculation is what it is, and won't 
speed up much.

Does anyone have any thoughts on a way out of this please? Downloading 
the images a few at a time isn't really acceptable!

Thanks.


-- 
Mike Scott
Harlow, England

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#8523

On Tue, 3 Dec 2024 19:27:46 +0000, Mike Scott wrote:

> A web interface seemed a natural way to go as an extension of an
> existing system, but the image calculation is what it is, and won't
> speed up much.

Obviously you need to provide some feedback while putting together the 
complete download in the background. Only when that is ready should you 
actually redirect the browser to the URL to get the complete archive.

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