Luajit benchmark as a module

local _M = {}

local cjson = require "cjson"
local mysql = require "resty.mysql"
local math = require "math"

local encode = cjson.encode
local random = math.random
local insert = table.insert

local mysqlconn = {
    host = "DBHOSTNAME",
    port = 3306,
    database = "hello_world",
    user = "benchmarkdbuser",
    password = "benchmarkdbpass"
}


local function json_handler(ngx)
    ngx.header.content_type = 'application/json'
    local resp = {message = "Hello, World!"}
    ngx.print(encode(resp))
end

local function db_handler(ngx)
    ngx.header.content_type = 'application/json'
    local db, err = mysql:new()
    local ok, err = db:connect(mysqlconn)
    local num_queries = tonumber(ngx.req.arg_queries) or 1
    local worlds = {}
    for i=1, num_queries do
        local wid = random(1, 10000)
        insert(worlds, db:query('SELECT * FROM World WHERE id = '..wid)[1])
    end
    ngx.print( encode(worlds) )
    local ok, err = db:set_keepalive(0, 256)
end

local handlers = {
    ["/json"] = json_handler,
    ["/db"] = db_handler
}

function _M.handler(ngx)
    local func = handlers[ngx.var.uri]
    return func and func(ngx) or ngx.exit(404)
end

return _M

nginxconfig

worker_processes  2;
pid        /tmp/nginx.pid;
error_log /dev/null crit;
#error_log /tmp/test.log error;
events {
    worker_connections  16384;
}

http {
    access_log off;
    lua_package_path "CWD/openresty/?.lua;;";
    server {
        listen       8080;
        location / {
            content_by_lua 'require("app").handler(ngx)';
        }
    }
}

nice job