Client request body is buffered to a temporary file

Server NGINX
1

I am using nginx as a load balancer I keep seeing the messages below. I
keep
uping the client_body_buffer_size, proxy_buffer_size and proxy_buffers
but
it doesn’t seem to make a difference. What could be happening here?

2012/11/15 09:52:30 [warn] 6559#0: *46179 a client request body is
buffered
to a temporary file /var/cache/nginx/client_temp/0000002573, client:
10.196.3.134, server: loadbalancer.domain.net, request: “POST
/Order/OrderSubmission/OrderSubmission.svc HTTP/1.1”, host:
“loadbalancer.domain.net”

upstream secure {
server node1.domain.net:443 weight=10 max_fails=3
fail_timeout=3s;
server node2.domain.net:443 weight=10 max_fails=3
fail_timeout=3s;
}

server {

    listen 10.192.145.60:443;

    ssl on;

    ssl_certificate /etc/ssl/certs/cert.pem;
    ssl_certificate_key /etc/ssl/certs/cert_priv_key_nopass.pem;


    ssl_protocols  SSLv3 TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers RC4:HIGH:!aNULL:!MD5:!kEDH;
    ssl_prefer_server_ciphers   on;

    server_name loadbalancer.hsz.eastbay.net;


    access_log      /var/log/nginx/lb.access.log main;
    error_log       /var/log/nginx/lb.error.log debug;



    location / {
            index   index.html

            proxy_buffering on
            client_body_buffer_size 10m;
            proxy_buffer_size 64k;
            proxy_buffers 2048 64k;
            proxy_set_header X-Forwarded-Proto https;
            proxy_redirect off;
            proxy_set_header Host $host;
            proxy_set_header  X-Real-IP  $remote_addr;
            proxy_set_header  X-Forwarded-For

$proxy_add_x_forwarded_for;

            proxy_max_temp_file_size 0;
            proxy_pass https://secure;

    } #end location

} #end server

Posted at Nginx Forum:

2

Hello!

On Thu, Nov 15, 2012 at 10:55:51AM -0500, tatroc wrote:

I am using nginx as a load balancer I keep seeing the messages below. I keep
uping the client_body_buffer_size, proxy_buffer_size and proxy_buffers but
it doesn’t seem to make a difference. What could be happening here?

2012/11/15 09:52:30 [warn] 6559#0: *46179 a client request body is buffered
to a temporary file /var/cache/nginx/client_temp/0000002573, client:
10.196.3.134, server: loadbalancer.domain.net, request: “POST
/Order/OrderSubmission/OrderSubmission.svc HTTP/1.1”, host:
“loadbalancer.domain.net”

As long as request body size is greater than
client_body_buffer_size, it will be buffered to disk and the above
message will be shown.

If you think you see the message on requests with body size less
than client_body_buffer_size, you may want to provide more details
as specified here:

[…]

–
Maxim D.