Nginx POST handler module caching response

[Mapper Uno]

Hi,

I have written a small nginx module that processes POST request and
sends back in response the same data that is received in POST request. I
am testing this with curl utility and closely monitoring nginx log which
is set to debug level.

(My module's server is listening on port 9000)

# curl --data "This is nginx helper forum" http://localhost:9000
This is nginx helper forum

# curl --data "Ruby forum" http://localhost:9000
This is ng

# curl --data "ngx" http://localhost:9000
Thi

However, if I reload the nginx config (nginx -s reload), I see the
correct string

# curl --data "Ruby forum" http://localhost:9000
Ruby forum

When I look at the nginx log file, I can see the correct incoming data
string every time in my handler. I also do ngx_pcalloc for my output
buffer string.

However, why is the cached/stale buffer string returned by nginx in
response. I tried to look up relevant config directive but failed to
correlate to this behaviour.

Any guidance would be highly appreciated.

Thanks

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