docs: add "Architecture and Load Balancers"

[mstopa-splunk]

No description provided.

[ikheifets-splunk]

Probably we also need tell that we can use port segregation, it will increase performance:

SC4S_LISTEN_DEFAULT_TCP_PORT=514,515,516,517

[ikheifets-splunk]

@mstopa-splunk @rjha-splunk Are we have a plan to create ansible playbook that will bootstrap sc4s instances with LB?
I understanding that some of the settings are optional, but are we have such plans?

[rjha-splunk]

@mstopa-splunk @rjha-splunk Are we have a plan to create ansible playbook that will bootstrap sc4s instances with LB? I understanding that some of the settings are optional, but are we have such plans?

@ikheifets-splunk not yet

[mstopa-splunk]

    match server_ok {
        send "GET /health HTTP/1.0\r\n\r\n";
        expect ~* '"healthy"';
    }

    # Define connections to each of your upstreams.
    # Include `proxy_bind` and `health_check`.
    server {
        listen        514 udp;
        proxy_pass    stream_syslog_514;
        proxy_bind $remote_addr:$remote_port transparent;
        health_check interval=1 match=server_ok port=8080;
    }