POST Body Truncated

Eric Wong normalperson at
Tue Oct 6 17:22:04 EDT 2009

Chris Wanstrath <chris at> wrote:
> Hello list,
> I'm running into an issue where POST bodies are truncated by the time
> they hit Rails. It occurs with both TCP and UDS (both behind nginx).
> This problem does not happen when I'm running TCP Thin behind nginx.
> I have Unicorn 0.93.1 installed. I've tried tweaking the rcvbuf
> setting but it seems to do nothing.
> Any ideas? Thanks!

This is not good :x

It could be a bug in the relatively new TeeInput class.  How large are
the POST bodies that are getting truncated?  Which version of Rails is
this and which middleware(s), if any, are you running?  I'd like to get
to the bottom of this ASAP, thanks!

Eric Wong

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