On Friday, June 17, 2016 at 5:35:06 PM UTC+2, Erik Bray wrote: 
>
> It blocks on reading environ['wsgi.input'] [1], which is a file-like 
> handle to the form post data in the body of the request. This happens 
> regardless of whether Trac tries to read or my own code. The request body 
> just never makes it, like Apache is just dropping the connection before the 
> request body can be read.
>

Sounds like the client is too slow, possibly due to packet loss / 
retransmission (we had that at UW at one point, easy to see in packet 
trace); 

Reading input is blocking. There are some speed limits depending on web 
server setup (e.g. mod_reqtimeout). That would explain why SSL works (data 
likely arrives in bigger chunks).


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