GNU bug report logs - #21093
Web server: response bodies systematically loaded in memory

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From: Andy Wingo <wingo <at> pobox.com>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: guile-devel <at> gnu.org, 21093 <at> debbugs.gnu.org
Subject: bug#21093: Web server: response bodies systematically loaded in memory
Date: Fri, 24 Jun 2016 10:15:40 +0200

On Mon 20 Jul 2015 00:10, ludo <at> gnu.org (Ludovic Courtès) writes:

> The ‘sanitize-response’ procedure systematically loads the whole
> response body in memory, which causes obvious scalability issues (this
> is in 2.0.11.)
>
> In particular, when a request handler returns a port-taking procedure as
> its second return value, ‘sanitize-request’ will just call that
> procedure passing it a string output port.
>
> This procedure should instead be called from the server implementation’s
> ‘write’ hook, but that would necessitate an API change.
>
> Thoughts?

How would you set the Content-Length?  Just leave it off and set
Connection: close ?  Set it in the headers perhaps?  Then you have to
verify later, which I dunno how nice that is.  Maybe it is OK.

I would be happy to review patches :)  Cc guile-devel.

Andy

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