An upstream response is buffered to a temporary file

Maxim Dounin mdounin at
Fri Oct 21 19:44:07 UTC 2011


On Fri, Oct 21, 2011 at 03:36:23PM -0400, iberkner wrote:

> What settings / parameters can be tweaked to increase the amount of
> buffers available as to not go to a temporary file?
> We are seeing many of these:
> 2011/10/21 14:01:24 [warn] 24547#0: *2408454 an upstream response is
> buffered to a temporary file /var/lib/nginx/fastcgi/5/69/0000017695
> while reading upstream, client:, server:,
> request: "GET /edit.html?id=6816841 HTTP/1.1", upstream:
> "fastcgi://", host: "", referrer:
> ""
> I tried messing around with proxy_buffer settings, but not sure if I'm
> on the right track.

This is a warning message which is here to let you know that 
response was buffered to disk.  Depending on your use case you may 
want either to tune fastcgi_buffers/fastcgi_buffer_size, or disable 
disk buffering with "fastcgi_max_temp_file 0", or just ignore this 

Maxim Dounin

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