Confused about proxy_buffer_size and proxy_buffers
is at rambler-co.ru
Wed Apr 30 09:15:20 MSD 2008
On Wed, Apr 30, 2008 at 11:15:14AM +1000, Dave Cheney wrote:
> I am trying to tune our nginx frontends (proxying a pack of
> mongrels) to avoid this type of message
> 2008/04/30 11:06:50 [warn] 35585#0: *40967931 an upstream response is
> buffered to a temporary file /opt/local/var/run/nginx/proxy_temp/
> 0/58/0000370580 while reading upstream, client: 18.104.22.168,
> server: www.redbubble.com, request: "GET /people/basiamc/art/732916-4-
> fire-fairy? HTTP/1.0", upstream:
> "http://172.16.0.76:8006/people/basiamc/art/732916-4-fire-fairy ", host:
> "www.redbubble.com", referrer:
> "http://www.redbubble.com/people/basiamc/art/732916-4-fire-fairy "
> A little bit of curling reveals that our minimum page size is
> between 11k and 14k, but can be up to 35k for the common pages. So I have
> proxy_buffer_size 32k
> In the expectation that this buffer will be allocated for all proxy
> requests before the overflow into proxy_buffers.
> For pages that have a large number of comments the sizes can range
> up to 150k but even with a setting like this
> proxy_buffers 128 4k;
> which should yield a maximum buffer of 546k, this request
> [dave at crimson ~]$ curl -I
> HTTP/1.1 200 OK
> Server: nginx
> Date: Wed, 30 Apr 2008 01:13:45 GMT
> Content-Type: text/html; charset=utf-8
> Connection: keep-alive
> Set-Cookie: _session_id=1263f18e47b978d84cab76592cf240c4; path=/
> Cache-Control: private, max-age=0, must-revalidate
> Content-Length: 282541
> Generates a warning.
> Should I continue to increase the buffer size? Should I allocate the
> buffer in larger sizes? Is there an interaction with proxy_buffers and
> gzip or the output buffer settings ?
No, these buffers should be enough.
Are you sure that nginx was successfully reconfigured ?
Is nginx -t OK ?
Could you create debug log of the sinlge connection ?
BTW I think that
proxy_buffers 32 16k;
More information about the nginx