Monitoring Proxy Server

Proxy monitoring using HTTP headers

It is used to know the elapsed time between proxy and WAS.

overview

Pinpoint Configuration

pinpoint.config

profiler.proxy.http.header.enable=true

Proxy Configuration

Apache HTTP Server

• http://httpd.apache.org/docs/2.4/en/mod/mod_headers.html

Add HTTP header.

Pinpoint-ProxyApache: t=991424704447256 D=3775428 i=51 b=49

e.g.

httpd.conf

<IfModule mod_jk.c>
...
RequestHeader set Pinpoint-ProxyApache "%t %D %i %b"
...
</IfModule>

%t is required value.

Nginx

• http://nginx.org/en/docs/http/ngx_http_core_module.html
• http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_set_header

Add HTTP header.

Pinpoint-ProxyNginx: t=1504248328.423 D=0.123

e.g.

nginx.conf

...
  server {
        listen       9080;
        server_name  localhost;

        location / {
            ...
            set $pinpoint_proxy_header "t=$msec D=$request_time";
            proxy_set_header Pinpoint-ProxyNginx $pinpoint_proxy_header;
        }
  }
...

or

http {
...

    proxy_set_header Pinpoint-ProxyNginx t=$msec;

...
}

t=$msec is required value.

App

Milliseconds since epoch (13 digits) and app information.

Add HTTP header.

Pinpoint-ProxyApp: t=1594316309407 app=foo-bar

t=epoch is required value.