Merge multi-process HAProxy statistics using Lua.
Inspect operating system version.
$ lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 10 (buster) Release: 10 Codename: buster
Install HAProxy.
$ sudo apt install haproxy
Inspect the HAProxy version and Lua support.
$ /sbin/haproxy -vv
HA-Proxy version 1.8.19-1 2019/02/12
Copyright 2000-2019 Willy Tarreau <willy@haproxy.org>
Build options :
TARGET = linux2628
CPU = generic
CC = gcc
CFLAGS = -O2 -g -O2 -fdebug-prefix-map=/build/haproxy-1.8.19=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fno-strict-aliasing -Wdeclaration-after-statement -fwrapv -Wno-format-truncation -Wno-null-dereference -Wno-unused-label
OPTIONS = USE_GETADDRINFO=1 USE_ZLIB=1 USE_REGPARM=1 USE_OPENSSL=1 USE_LUA=1 USE_SYSTEMD=1 USE_PCRE2=1 USE_PCRE2_JIT=1 USE_NS=1
Default settings :
maxconn = 2000, bufsize = 16384, maxrewrite = 1024, maxpollevents = 200
Built with OpenSSL version : OpenSSL 1.1.1a 20 Nov 2018
Running on OpenSSL version : OpenSSL 1.1.1d 10 Sep 2019
OpenSSL library supports TLS extensions : yes
OpenSSL library supports SNI : yes
OpenSSL library supports : TLSv1.0 TLSv1.1 TLSv1.2 TLSv1.3
Built with Lua version : Lua 5.3.3
Built with transparent proxy support using: IP_TRANSPARENT IPV6_TRANSPARENT IP_FREEBIND
Encrypted password support via crypt(3): yes
Built with multi-threading support.
Built with PCRE2 version : 10.32 2018-09-10
PCRE2 library supports JIT : yes
Built with zlib version : 1.2.11
Running on zlib version : 1.2.11
Compression algorithms supported : identity("identity"), deflate("deflate"), raw-deflate("deflate"), gzip("gzip")
Built with network namespace support.
Available polling systems :
epoll : pref=300, test result OK
poll : pref=200, test result OK
select : pref=150, test result OK
Total: 3 (3 usable), will use epoll.
Available filters :
[SPOE] spoe
[COMP] compression
[TRACE] trace
Create <a href="https://www.arpalert.org/haproxy-scripts.html#stats" target="_blank" rel="external noopener noreferrer">/etc/haproxy/stats.lua</a> Lua script. I have updated it, so it works for me.
stats = {}
--
-- Configuration
--
--
stats.conf = {} -- Lists all known haproxy, the index is the friendly
-- name of the instance.
stats.update_interval = 1 -- update interval
--
-- internal shared vars
---
stats.agg = {} -- contains the aggregated data
stats.servers = {} -- List of the last data retrieved by server
stats.lookup = {} -- contains a lookup for used keys.
--[[
HAProxy stats compatibility array. All the metrics are not
used with all the parts (backend, frontend, servers or
listener. This array permit to give a useless element,
and gives an aggregation method.
1 : type 0: frontend
2 : type 1: backend
3 : type 2: server
4 : type 3: listener
5 : type of data:
"string" : string.
"gauge" : integer, value.
"counter" : integer, always monotonic, increase with the time spent.
"time" : integer, time elapsed.
6 : aggregation type:
"first" : keep the first value
"add" : add all values
"cat" : concatenate the values, separated by a "/"
"avg" : perform the average of the values
]]--
stats.values = {
-- 1 2 3 4 5 6
["pxname"] = { "1", "1", "1", "1", "string", "first"},
["svname"] = { "1", "1", "1", "1", "string", "first"},
["qcur"] = { " ", "1", "1", " ", "gauge", "add" },
["qmax"] = { " ", "1", "1", " ", "gauge", "add" },
["scur"] = { "1", "1", "1", "1", "gauge", "add" },
["smax"] = { "1", "1", "1", "1", "gauge", "add" },
["slim"] = { "1", "1", "1", "1", "gauge", "add" },
["stot"] = { "1", "1", "1", "1", "counter", "add" },
["bin"] = { "1", "1", "1", "1", "counter", "add" },
["bout"] = { "1", "1", "1", "1", "counter", "add" },
["dreq"] = { "1", "1", " ", "1", "counter", "add" },
["dresp"] = { "1", "1", "1", "1", "counter", "add" },
["ereq"] = { "1", " ", " ", "1", "counter", "add" },
["econ"] = { " ", "1", "1", " ", "counter", "add" },
["eresp"] = { " ", "1", "1", " ", "counter", "add" },
["wretr"] = { " ", "1", "1", " ", "counter", "add" },
["wredis"] = { " ", "1", "1", " ", "counter", "add" },
["status"] = { "1", "1", "1", "1", "string", "cat" },
["weight"] = { " ", "1", "1", " ", "gauge", "add" }, -- maybe more complex
["act"] = { " ", "1", "1", " ", "gauge", "add" },
["bck"] = { " ", "1", "1", " ", "gauge", "add" },
["chkfail"] = { " ", " ", "1", " ", "counter", "add" },
["chkdown"] = { " ", "1", "1", " ", "counter", "add" },
["lastchg"] = { " ", "1", "1", " ", "time", "avg" },
["downtime"] = { " ", "1", "1", " ", "time", "avg" },
["qlimit"] = { " ", " ", "1", " ", "gauge", "add" },
["pid"] = { "1", "1", "1", "1", "gauge", "cat" },
["iid"] = { "1", "1", "1", "1", "gauge", "cat" },
["sid"] = { " ", " ", "1", "1", "gauge", "cat" },
["throttle"] = { " ", " ", "1", " ", "gauge", "avg" },
["lbtot"] = { " ", "1", "1", " ", "counter", "add" },
["tracked"] = { " ", " ", "1", " ", "counter", "add" },
["type"] = { "1", "1", "1", "1", "gauge", "first"},
["rate"] = { "1", "1", "1", " ", "gauge", "add" },
["rate_lim"] = { "1", " ", " ", " ", "gauge", "add" },
["rate_max"] = { "1", "1", "1", " ", "gauge", "add" },
["check_status"] = { " ", " ", "1", " ", "string", "cat" },
["check_code"] = { " ", " ", "1", " ", "string", "cat" },
["check_duration"]= { " ", " ", "1", " ", "time", "cat" },
["hrsp_1xx"] = { "1", "1", "1", " ", "counter", "add" },
["hrsp_2xx"] = { "1", "1", "1", " ", "counter", "add" },
["hrsp_3xx"] = { "1", "1", "1", " ", "counter", "add" },
["hrsp_4xx"] = { "1", "1", "1", " ", "counter", "add" },
["hrsp_5xx"] = { "1", "1", "1", " ", "counter", "add" },
["hrsp_other"] = { "1", "1", "1", " ", "counter", "add" },
["hanafail"] = { " ", " ", "1", " ", "string", "cat" },
["req_rate"] = { "1", " ", " ", " ", "gauge", "add" },
["req_rate_max"] = { "1", " ", " ", " ", "gauge", "add" },
["req_tot"] = { "1", " ", " ", " ", "counter", "add" },
["cli_abrt"] = { " ", "1", "1", " ", "counter", "add" },
["srv_abrt"] = { " ", "1", "1", " ", "counter", "add" },
["comp_in"] = { "1", "1", " ", " ", "counter", "add" },
["comp_out"] = { "1", "1", " ", " ", "counter", "add" },
["comp_byp"] = { "1", "1", " ", " ", "counter", "add" },
["comp_rsp"] = { "1", "1", " ", " ", "counter", "add" },
["lastsess"] = { " ", "1", "1", " ", "time", "avg" },
["last_chk"] = { " ", " ", "1", " ", "string", "cat" },
["last_agt"] = { " ", " ", "1", " ", "string", "cat" },
["qtime"] = { " ", "1", "1", " ", "gauge", "avg" },
["ctime"] = { " ", "1", "1", " ", "gauge", "avg" },
["rtime"] = { " ", "1", "1", " ", "gauge", "avg" },
["ttime"] = { " ", "1", "1", " ", "gauge", "avg" },
["agg"] = { "1", "1", "1", "1", "string", "cat" },
}
-- csv header order
stats.csv = {
"pxname", "svname", "qcur", "qmax", "scur", "smax",
"slim", "stot", "bin", "bout", "dreq", "dresp",
"ereq", "econ", "eresp", "wretr", "wredis", "status",
"weight", "act", "bck", "chkfail", "chkdown", "lastchg",
"downtime", "qlimit", "pid", "iid", "sid", "throttle",
"lbtot", "tracked", "type", "rate", "rate_lim", "rate_max",
"check_status", "check_code", "check_duration", "hrsp_1xx", "hrsp_2xx", "hrsp_3xx",
"hrsp_4xx", "hrsp_5xx", "hrsp_other", "hanafail", "req_rate", "req_rate_max",
"req_tot", "cli_abrt", "srv_abrt", "comp_in", "comp_out", "comp_byp",
"comp_rsp", "lastsess", "last_chk", "last_agt", "qtime", "ctime",
"rtime", "ttime", "agg"
}
--
-- Code extracted from http://lua-users.org/wiki/BaseSixtyFour
--
-- character table string
local b='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-- encoding
function b64enc(data)
return ((data:gsub('.', function(x)
local r,b='',x:byte()
for i=8,1,-1 do r=r..(b%2^i-b%2^(i-1)>0 and '1' or '0') end
return r;
end)..'0000'):gsub('%d%d%d?%d?%d?%d?', function(x)
if (#x < 6) then return '' end
local c=0
for i=1,6 do c=c+(x:sub(i,i)=='1' and 2^(6-i) or 0) end
return b:sub(c+1,c+1)
end)..({ '', '==', '=' })[#data%3+1])
end
--[[
get_stats(uri, mode)
uri is the location of the required resources. It understand the following
forms:
* http://[user:password@]<ip>[:<port>]/<path>
* socket://<path>
This function returns a hash table with the frontends ans backend
hierarchically sorted. In error case, send an error using the"error"
function and doesn't returns.
]]--
stats.get_stats = function(uri)
local pathpos
local path
local creds = ""
local addr
local msg
local s
local csv = {}
local line = {}
local pos1
local pos2
local typeidx
local typepx
local res
local i
local t
-- uri must start with http:// or socket://
if string.sub(uri, 1, 7) == "http://" then
mode = 1
addr = string.sub(uri, 8)
elseif string.sub(uri, 1, 9) == "socket://" then
mode = 2
addr = string.sub(uri, 10)
else
error("'uri' must starts with 'http://', we found '" ..
tostring(string.sub(uri, 1, 7)) .. "'")
end
--
-- mode 1: sends http request
--
if mode == 1 then
-- separates ip:port from the path
local pathpos = string.find(addr, "/")
if (pathpos == nil) then
path = "/"
else
path = string.sub(addr, pathpos)
end
addr = string.sub(addr, 1, pathpos - 1)
-- extract login / password
local sep = string.find(addr, "@")
if sep ~= nil then
creds = string.sub(addr, 1, sep - 1)
addr = string.sub(addr, sep + 1, -1)
-- build header
creds = "Authorization: Basic " .. b64enc(creds) .. "\r\n"
end
-- send request
s = core.tcp()
s:connect(addr)
s:send("GET " .. path .. " HTTP/1.0\r\nHost: " .. addr .. "\r\n" .. creds .. "\r\n");
-- read response, remove headers
msg = s:receive("*l")
if msg == nil then -- or not string.match(msg,"HTTP/1.1 200 OK") then
s:close()
return nil
end
if not string.match(msg,"HTTP/1.1 200 OK") then
s:close()
return nil
end
while true do
msg = s:receive("*l")
if msg == nil then
s:close()
return nil
end
msg = string.gsub(msg, "\r", "")
msg = string.gsub(msg, "\n", "")
if msg == "" then break end
end
-- if string.len(msg) == 0 then
-- s:close()
-- return nil
-- end
-- read CSV
msg = s:receive("*a")
if msg == nil then
s:close()
return nil
end
-- close connection
s:close()
--
-- mode 2: sens stats request
--
elseif mode == 2 then
-- send request
s = core.tcp()
s:connect("unix@" .. addr)
s:send("show stat -1 15 -1\n");
-- read CSV
msg = s:receive("*a")
if msg == nil then
s:close()
return nil
end
-- close connection
s:close()
end
-- removes \r
msg = string.gsub(msg, "\r", "")
while true do
-- read first value. expects
if string.sub(msg, 1, 1) == '"' then
-- read a simple value terminated by '"', escapes the '""'.
else
-- read a simple value terminated by "," or "\n"
pos1 = string.find(msg, ",")
pos2 = string.find(msg, "\n")
if pos1 == nil then pos1 = string.len(msg) end
if pos2 == nil then pos2 = string.len(msg) end
if pos2 < pos1 then pos1 = pos2 end
table.insert(line, string.sub(msg, 1, pos1 - 1))
-- if the separator is a newline
if string.sub(msg, pos1, pos1) == "\n" then
table.insert(csv, line)
line = {}
end
msg = string.sub(msg, pos1 + 1) -- eat the cell
end
-- break process if the csv message is empty
if msg == "" then break end
end
-- transform value array to object array
local hdr = {}
local obj = {}
for i, t in pairs(csv) do
if type(t[1]) == "string" and t[1] == "# pxname" then
t[1] = "pxname"
hdr = t
-- look for the type idx
for i,v in pairs(hdr) do
if v == "type" then
typeidx = i
break
end
end
else
-- create new array that is a mix between
-- column name and values. Clean the useless
-- values.
local h = {}
if t[typeidx] ~= nil then
typepx = tonumber(t[typeidx]) + 1
for i,v in pairs(t) do
if hdr[i] ~= "" then
if stats.values[hdr[i]] ~= nil then
if stats.values[hdr[i]][typepx] == "1" then
if stats.values[hdr[i]][5] == "gauge" or
stats.values[hdr[i]][5] == "counter" or
stats.values[hdr[i]][5] == "time" then
h[hdr[i]] = tonumber(v)
else
h[hdr[i]] = v
end
end
end
end
end
end
table.insert(obj, h)
end
end
-- define the array object
res = {}
res['frontends'] = {}
res['backends'] = {}
-- process all the frontends
for i, t in pairs(obj) do
if t["type"] == 0 then -- frontend
res['frontends'][t["pxname"]] = t
res['frontends'][t["pxname"]]["listeners"] = {}
elseif t["type"] == 1 then -- backend
res['backends'][t["pxname"]] = t
res['backends'][t["pxname"]]["servers"] = {}
end
end
-- process all the backends
for i, t in pairs(obj) do
if t["type"] == 2 then -- server
res['backends'][t["pxname"]]["servers"][t["svname"]] = t
elseif t["type"] == 3 then -- listener
res['frontends'][t["pxname"]]["listeners"][t["svname"]] = t
end
end
return res
end
stats.merge_agg = function(stats, mode)
local k
local v
local res
local c
--
-- first
--
if mode[6] == "first" then
for k, v in pairs(stats) do
res = stats[k]
break
end
--
-- add
--
elseif mode[6] == "add" then
res = 0
for k, v in pairs(stats) do
res = res + stats[k]
end
--
-- concatenate
--
elseif mode[6] == "cat" then
res = ""
for k, v in pairs(stats) do
if res == "" then
res = tostring(stats[k])
else
res = res .. "/" .. tostring(stats[k])
end
end
--
-- average
--
elseif mode[6] == "avg" then
res = 0
c = 0
for k, v in pairs(stats) do
res = res + stats[k]
c = c + 1
end
if c > 0 then
res = res / c
end
end
return res;
end
stats.merge_stats = function(stats_array)
local res;
local list;
local k
local v
local val
local srv
local frt
local bck
local lis
local stat
-- destination struct
res = {}
res['frontends'] = {}
res['backends'] = {}
-- fill the destination
for srv, stat in pairs(stats_array) do
if stat['frontends'] ~= nil then
for frt, val in pairs(stat['frontends']) do
if res['frontends'][frt] == nil then
res['frontends'][frt] = {}
res['frontends'][frt]['listeners'] = {}
end
if stat['frontends'][frt]['listeners'] ~= nil then
for lis, val in pairs(stat['frontends'][frt]['listeners']) do
if res['frontends'][frt] == nil then
res['frontends'][frt] = {}
end
if res['frontends'][frt]['listeners'] == nil then
res['frontends'][frt]['listeners'] = {}
end
if res['frontends'][frt]['listeners'][lis] == nil then
res['frontends'][frt]['listeners'][lis] = {}
end
end
end
end
end
if stat['backends'] ~= nil then
for frt, val in pairs(stat['backends']) do
if res['backends'][frt] == nil then
res['backends'][frt] = {}
res['backends'][frt]['servers'] = {}
end
if stat['backends'][frt]['servers'] ~= nil then
for srv, val in pairs(stat['backends'][frt]['servers']) do
if res['backends'][frt] == nil then
res['backends'][frt] = {}
end
if res['backends'][frt]['servers'] == nil then
res['backends'][frt]['servers'] = {}
end
if res['backends'][frt]['servers'][srv] == nil then
res['backends'][frt]['servers'][srv] = {}
end
end
end
end
end
end
-- data aggregation
--
-- frontends
--
for frt, val in pairs(res['frontends']) do
for prop, mode in pairs(stats.values) do
if mode[1] == "1" then
-- build list of frontends
list = {}
for k, v in pairs(stats_array) do
if stats_array[k]['frontends'] and
stats_array[k]['frontends'][frt] and
stats_array[k]['frontends'][frt][prop] then
list[k] = stats_array[k]['frontends'][frt][prop]
end
end
-- aggregation values
res['frontends'][frt][prop] = stats.merge_agg(list, mode)
end
end
list = ""
for k, v in pairs(stats_array) do
if stats_array[k]['frontends'][frt] ~= nil then
if list == "" then
list = k
else
list = list .. "/" .. k
end
end
end
res['frontends'][frt]["agg"] = list
--
-- listeners
--
for lis, val in pairs(res['frontends'][frt]['listeners']) do
for prop, mode in pairs(stats.values) do
if mode[4] == "1" then
-- build list of frontends
list = {}
for k, v in pairs(stats_array) do
if v['frontends'][frt] and
v['frontends'][frt]['listeners'] and
v['frontends'][frt]['listeners'][lis] and
v['frontends'][frt]['listeners'][lis][prop] then
list[k] = v['frontends'][frt]['listeners'][lis][prop]
end
end
-- aggregation values
res['frontends'][frt]['listeners'][lis][prop] = stats.merge_agg(list, mode)
end
end
list = ""
for k, v in pairs(stats_array) do
if stats_array[k]['frontends'][frt] and
stats_array[k]['frontends'][frt]['listeners'] and
stats_array[k]['frontends'][frt]['listeners'][lis] then
if list == "" then
list = k
else
list = list .. "/" .. k
end
end
end
res['frontends'][frt]['listeners'][lis]["agg"] = list
end
end
--
-- backends
--
for bck, val in pairs(res['backends']) do
for prop, mode in pairs(stats.values) do
if mode[2] == "1" then
-- build list of frontends
list = {}
for k, v in pairs(stats_array) do
if stats_array[k]['backends'] and
stats_array[k]['backends'][bck] and
stats_array[k]['backends'][bck][prop] then
list[k] = stats_array[k]['backends'][bck][prop]
end
end
-- aggregation values
res['backends'][bck][prop] = stats.merge_agg(list, mode)
end
end
list = ""
for k, v in pairs(stats_array) do
if stats_array[k]['backends'][bck] ~= nil then
if list == "" then
list = k
else
list = list .. "/" .. k
end
end
end
res['backends'][bck]["agg"] = list
--
-- servers
--
for srv, val in pairs(res['backends'][bck]['servers']) do
for prop, mode in pairs(stats.values) do
if mode[3] == "1" then
-- build list of frontends
list = {}
for k, v in pairs(stats_array) do
if v['backends'][bck] and
v['backends'][bck]['servers'] and
v['backends'][bck]['servers'][srv] and
v['backends'][bck]['servers'][srv][prop] then
list[k] = v['backends'][bck]['servers'][srv][prop]
end
end
-- aggregation values
res['backends'][bck]['servers'][srv][prop] = stats.merge_agg(list, mode)
end
end
list = ""
for k, v in pairs(stats_array) do
if stats_array[k]['backends'][bck]['servers'][srv] ~= nil then
if list == "" then
list = k
else
list = list .. "/" .. k
end
end
end
res['backends'][bck]['servers'][srv]["agg"] = list
end
end
return res
end
stats.tocsv = function(msg)
if msg == nil then return "" end
return tostring(msg)
end
-- This function is an applet that accept and HTTP request
-- and return a aggregated CSV
stats.csv_service = function(applet)
local frt
local bck
local srv
local lis
local val1
local val2
local k
local i
local msg
msg = "# "
for i, k in ipairs(stats.csv) do
msg = msg .. k .. ","
end
msg = msg .. "\n"
for frt, val1 in pairs(stats.agg['frontends']) do
for i, k in ipairs(stats.csv) do
msg = msg .. stats.tocsv(val1[k]) .. ","
end
msg = msg .. "\n"
for lis, val2 in pairs(val1['listeners']) do
for i, k in ipairs(stats.csv) do
msg = msg .. stats.tocsv(val2[k]) .. ","
end
msg = msg .. "\n"
end
end
for bck, val1 in pairs(stats.agg['backends']) do
for i, k in ipairs(stats.csv) do
msg = msg .. stats.tocsv(val1[k]) .. ","
end
msg = msg .. "\n"
for srv, val2 in pairs(val1['servers']) do
for i, k in ipairs(stats.csv) do
msg = msg .. stats.tocsv(val2[k]) .. ","
end
msg = msg .. "\n"
end
end
applet:add_header("content-length", tostring(msg:len()));
applet:set_status(200)
applet:start_response()
applet:send(msg)
end
-- The following function gets and merge all the known haproxy
-- stats each second.
stats.update = function()
local k
local v
local vals
local srv = {}
while true do
for k, v in pairs(stats.conf) do
vals = stats.get_stats(v)
if vals ~= nil then srv[k] = vals end
end
local g = stats.merge_stats(srv)
stats.servers = srv;
stats.agg = g
core.sleep(stats.update_interval)
end
end
-- register general fetches to get the merged values
-- syntax is:
--
-- ["f" | "b"] ":" <fe/be name> ":" <metrix>
-- ["f" | "b"] ":" <fe/be name> ":" [ <server> | <listener> ] ":" <metrix>
--
-- example:
--
-- f:bck_webfarm:qcur
-- f:bck_webfarm:server1:qcur
--
stats.process_key = function(key)
local path = {}
local p = key
local pos
local febe = 0
if stats.lookup[key] ~= nil then
return stats.lookup[key]
end
-- must start with "f:" or "b:"
if p:sub(1, 2) == "f:" then
table.insert(path, "frontends")
febe = 0
elseif p:sub(1, 2) == "b:" then
table.insert(path, "backends")
febe = 1
else
error("the agg key '" .. key .. "' is invalid")
end
p = p:sub(3)
-- look for the next part, search a mandatory ":"
pos = p:find(":")
if pos == nil then
error("the agg key '" .. key .. "' is invalid")
end
table.insert(path, p:sub(1, pos - 1))
p = p:sub(pos + 1)
-- look for the next part, search for a ":" or the end.
pos = p:find(":")
if pos == nil then
table.insert(path, p)
stats.lookup[key] = path
return path
end
if febe == 0 then
table.insert(path, "listeners")
else
table.insert(path, "servers")
end
table.insert(path, p:sub(1, pos - 1))
p = p:sub(pos + 1)
-- stores the last part
table.insert(path, p:sub(1, -1))
-- index and return the result
stats.lookup[key] = path
return path
end
stats.fetch = function(txn, name)
local w
local path
local i
local v
local tab
-- perform a lookup
path = stats.process_key(name)
tab = stats.agg
for i, v in pairs(path) do
if tab[v] == nil then
error("key '" .. name .. "' doesn't exists (or not yet exists)")
end
tab = tab[v]
end
return tab
end
-- ["h1"] = "http://127.0.0.1:10002/;csv",
-- ["h2"] = "socket:///tmp/haproxy",
stats.add = function(name, uri)
stats.conf[name] = uri
end
-- change update interval
stats.interval = function(interval)
stats.update_interval = interval
end
core.register_service("stats", "http", stats.csv_service)
core.register_fetches("stats", stats.fetch)
core.register_task(stats.update)
Create /etc/haproxy/stats-config.lua Lua configuration script.
stats.add("statistics-cpu-1", "http://stats:stats@127.0.0.1:7001/statistics;csv")
stats.add("statistics-cpu-2", "http://stats:stats@127.0.0.1:7002/statistics;csv")
stats.add("statistics-cpu-3", "http://stats:stats@127.0.0.1:7003/statistics;csv")
stats.add("statistics-cpu-4", "http://stats:stats@127.0.0.1:7004/statistics;csv")
stats.interval(5) -- calculate interval every n-seconds
Create the HAProxy configuration.
global
log /dev/log local0
log /dev/log local1 notice
chroot /var/lib/haproxy
stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd listeners
stats timeout 30s
user haproxy
group haproxy
daemon
# Default SSL material locations
ca-base /etc/ssl/certs
crt-base /etc/ssl/private
# Default ciphers to use on SSL-enabled listening sockets.
# For more information, see ciphers(1SSL). This list is from:
# https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
# An alternative list with additional directives can be obtained from
# https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=haproxy
ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!MD5:!DSS
ssl-default-bind-options no-sslv3
nbproc 4
cpu-map auto:1-4 0-3
lua-load /etc/haproxy/stats.lua
lua-load /etc/haproxy/stats-config.lua
defaults
log global
mode http
option httplog
option dontlognull
timeout connect 5000
timeout client 50000
timeout server 50000
errorfile 400 /etc/haproxy/errors/400.http
errorfile 403 /etc/haproxy/errors/403.http
errorfile 408 /etc/haproxy/errors/408.http
errorfile 500 /etc/haproxy/errors/500.http
errorfile 502 /etc/haproxy/errors/502.http
errorfile 503 /etc/haproxy/errors/503.http
errorfile 504 /etc/haproxy/errors/504.http
userlist statistics-auth-list
user stats insecure-password stats
frontend sample-frontend
bind :80
mode http
default_backend sample-backend
backend sample-backend
option tcp-check
server backend-server-1 192.168.88.1:80 check
server backend-server-2 192.168.88.2:80 check
listen statistics-1
bind 127.0.0.1:7001
mode http
bind-process 1
stats enable
stats realm Statistics
stats uri /statistics
stats show-legends
# stats auth stats:stats
acl statistics-auth http_auth(statistics-auth-list)
http-request auth realm statistics unless statistics-auth
listen statistics-2
bind 127.0.0.1:7002
mode http
bind-process 2
stats enable
stats realm Statistics
stats uri /statistics
stats show-legends
# stats auth stats:stats
acl statistics-auth http_auth(statistics-auth-list)
http-request auth realm statistics unless statistics-auth
listen statistics-3
bind 127.0.0.1:7003
mode http
bind-process 3
stats enable
stats realm Statistics
stats uri /statistics
stats show-legends
# stats auth stats:stats
acl statistics-auth http_auth(statistics-auth-list)
http-request auth realm statistics unless statistics-auth
listen statistics-4
bind 127.0.0.1:7004
mode http
bind-process 4
stats enable
stats realm Statistics
stats uri /statistics
stats show-legends
# stats auth stats:stats
acl statistics-auth http_auth(statistics-auth-list)
http-request auth realm statistics unless statistics-auth
listen statistics-0
bind 127.0.0.1:7000
mode http
acl statistics-auth http_auth(statistics-auth-list)
http-request auth realm statistics unless statistics-auth
http-request use-service lua.stats if { path /statistics;csv }
Reload HAProxy service.
$ sudo systemctl reload haproxy
Verify configuration.
$ for p in $(seq 7000 7004); do echo; echo "Port ${p}"; curl -u stats:stats "http://127.0.0.1:${p}/statistics;csv" | sort -t, -k 1,2; done
Port 7000 # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agg, sample-backend,BACKEND,0,0,0,6,800,15,4630,90247,0,0,,0,0,0,0,UP/UP/UP/UP,4,4,0,,0,878.0,0.0,,3/4/1/2,3/3/3/3,,,15,,1,0,,13,,,,0,14,0,1,0,0,,,,,0,0,0,0,0,0,331.0,,,0.0,0.25,0.75,4.0,statistics-cpu-1/statistics-cpu-4/statistics-cpu-2/statistics-cpu-3, sample-backend,backend-server-1,0,0,0,6,0,15,4630,90247,,0,,0,0,0,0,UP/UP/UP/UP,4,4,0,0,0,878.0,0.0,0,3/4/1/2,3/3/3/3,1/1/1/1,0,15,0,2,0,,13,L4OK/L4OK/L4OK/L4OK,,2/3/2/3,0,14,0,1,0,0,,,,,0,0,,,,,331.0,,,0.0,0.25,0.75,4.0,statistics-cpu-1/statistics-cpu-4/statistics-cpu-2/statistics-cpu-3, sample-backend,backend-server-2,0,0,0,0,0,0,0,0,,0,,0,0,0,0,DOWN/DOWN/DOWN/DOWN,4,4,0,4,4,876.0,876.0,0,3/4/1/2,3/3/3/3,2/2/2/2,0,0,0,2,0,,0,L4CON/L4CON/L4CON/L4CON,,1070/1070/1070/1070,0,0,0,0,0,0,,,,,0,0,,,,,-1.0,No route to host at initial connection step of tcp-check/No route to host at initial connection step of tcp-check/No route to host at initial connection step of tcp-check/No route to host at initial connection step of tcp-check,,0.0,0.0,0.0,0.0,statistics-cpu-1/statistics-cpu-4/statistics-cpu-2/statistics-cpu-3, sample-frontend,FRONTEND,,,0,6,8000,6,4630,90247,0,0,0,,,,,OPEN/OPEN/OPEN/OPEN,,,,,,,,,3/4/1/2,2/2/2/2,,,,,0,0,0,6,,,,0,14,0,1,0,0,,0,13,15,,,0,0,0,0,,,,,,,,statistics-cpu-1/statistics-cpu-4/statistics-cpu-2/statistics-cpu-3, statistics-0,BACKEND,0,0,0,0,800,0,1441,38113,0,0,,0,0,0,0,UP/UP/UP/UP,0,0,0,,0,878.0,0,,3/4/1/2,8/8/8/8,,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,,0,0,0,0,0,0,39.0,,,0.0,0.0,1.0,1.0,statistics-cpu-1/statistics-cpu-4/statistics-cpu-2/statistics-cpu-3, statistics-0,FRONTEND,,,0,4,8000,11,1441,38113,0,0,0,,,,,OPEN/OPEN/OPEN/OPEN,,,,,,,,,3/4/1/2,8/8/8/8,,,,,0,0,0,4,,,,0,11,0,0,0,0,,0,4,11,,,0,0,0,0,,,,,,,,statistics-cpu-1/statistics-cpu-4/statistics-cpu-2/statistics-cpu-3, statistics-1,BACKEND,0,0,0,0,200,0,66596,1574952,0,0,,0,0,0,0,UP,0,0,0,,0,878.0,0,,1,4,,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,,0,0,0,0,0,0,0.0,,,0.0,0.0,1.0,1.0,statistics-cpu-1, statistics-1,FRONTEND,,,1,4,2000,713,66596,1574952,0,0,0,,,,,OPEN,,,,,,,,,1,4,,,,,0,1,0,6,,,,0,712,0,0,0,0,,1,6,713,,,0,0,0,0,,,,,,,,statistics-cpu-1, statistics-2,BACKEND,0,0,0,0,200,0,66596,1576350,0,0,,0,0,0,0,UP,0,0,0,,0,878.0,0,,2,5,,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,,0,0,0,0,0,0,0.0,,,0.0,0.0,0.0,1.0,statistics-cpu-2, statistics-2,FRONTEND,,,2,4,2000,714,66596,1576350,0,0,0,,,,,OPEN,,,,,,,,,2,5,,,,,0,2,0,6,,,,0,712,0,0,0,0,,1,6,713,,,0,0,0,0,,,,,,,,statistics-cpu-2, statistics-3,BACKEND,0,0,0,0,200,0,66410,1566594,0,0,,0,0,0,0,UP,0,0,0,,0,878.0,0,,3,6,,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,,0,0,0,0,0,0,0.0,,,0.0,0.0,0.0,1.0,statistics-cpu-3, statistics-3,FRONTEND,,,2,4,2000,712,66410,1566594,0,0,0,,,,,OPEN,,,,,,,,,3,6,,,,,0,2,0,5,,,,0,710,0,0,0,0,,2,5,712,,,0,0,0,0,,,,,,,,statistics-cpu-3, statistics-4,BACKEND,0,0,0,0,200,0,66410,1572072,0,0,,0,0,0,0,UP,0,0,0,,0,878.0,0,,4,7,,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,,0,0,0,0,0,0,0.0,,,0.0,0.0,0.0,0.0,statistics-cpu-4, statistics-4,FRONTEND,,,2,4,2000,712,66410,1572072,0,0,0,,,,,OPEN,,,,,,,,,4,7,,,,,0,2,0,5,,,,0,710,0,0,0,0,,2,5,712,,,0,0,0,0,,,,,,,,statistics-cpu-4, Port 7001 # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses, sample-backend,BACKEND,0,0,0,1,200,3,950,17717,0,0,,0,0,0,0,UP,1,1,0,,0,883,0,,1,3,0,,3,,1,0,,2,,,,0,3,0,0,0,0,,,,3,0,0,0,0,0,0,448,,,0,0,1,2,,,,,,,,,,,,,,http,roundrobin,,,,,,, sample-backend,backend-server-1,0,0,0,1,,3,950,17717,,0,,0,0,0,0,UP,1,1,0,0,0,883,0,,1,3,1,,3,,2,0,,2,L4OK,,4,0,3,0,0,0,0,,,,,0,0,,,,,448,,,0,0,1,2,,,,Layer4 check passed,,2,3,4,,,,192.168.88.1:80,,http,,,,,,,, sample-backend,backend-server-2,0,0,0,0,,0,0,0,,0,,0,0,0,0,DOWN,1,1,0,1,1,881,881,,1,3,2,,0,,2,0,,0,L4CON,,1070,0,0,0,0,0,0,,,,,0,0,,,,,-1,No route to host at initial connection step of tcp-check,,0,0,0,0,,,,Layer4 connection problem,,2,3,0,,,,192.168.88.2:80,,http,,,,,,,, sample-frontend,FRONTEND,,,0,1,2000,1,950,17717,0,0,0,,,,,OPEN,,,,,,,,,1,2,0,,,,0,0,0,1,,,,0,3,0,0,0,0,,0,2,3,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,1,1,0,0,0, statistics-0,BACKEND,0,0,0,0,200,0,524,13746,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,1,8,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,38,,,0,0,1,1,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-0,FRONTEND,,,0,1,2000,4,524,13746,0,0,0,,,,,OPEN,,,,,,,,,1,8,0,,,,0,0,0,1,,,,0,4,0,0,0,0,,0,1,4,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,1,4,4,0,0, statistics-1,BACKEND,0,0,0,0,200,0,66968,1583972,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,1,4,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,0,,,0,0,0,1,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-1,FRONTEND,,,1,4,2000,717,66968,1583972,0,0,0,,,,,OPEN,,,,,,,,,1,4,0,,,,0,1,0,6,,,,0,716,0,0,0,0,,1,6,717,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,6,717,717,0,0, Port 7002 # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses, sample-backend,BACKEND,0,0,0,1,200,3,949,18913,0,0,,0,0,0,0,UP,1,1,0,,0,883,0,,2,3,0,,3,,1,0,,3,,,,0,3,0,0,0,0,,,,3,0,0,0,0,0,0,448,,,0,0,1,2,,,,,,,,,,,,,,http,roundrobin,,,,,,, sample-backend,backend-server-1,0,0,0,1,,3,949,18913,,0,,0,0,0,0,UP,1,1,0,0,0,883,0,,2,3,1,,3,,2,0,,3,L4OK,,3,0,3,0,0,0,0,,,,,0,0,,,,,448,,,0,0,1,2,,,,Layer4 check passed,,2,3,4,,,,192.168.88.1:80,,http,,,,,,,, sample-backend,backend-server-2,0,0,0,0,,0,0,0,,0,,0,0,0,0,DOWN,1,1,0,1,1,881,881,,2,3,2,,0,,2,0,,0,L4CON,,1070,0,0,0,0,0,0,,,,,0,0,,,,,-1,No route to host at initial connection step of tcp-check,,0,0,0,0,,,,Layer4 connection problem,,2,3,0,,,,192.168.88.2:80,,http,,,,,,,, sample-frontend,FRONTEND,,,0,1,2000,1,949,18913,0,0,0,,,,,OPEN,,,,,,,,,2,2,0,,,,0,0,0,1,,,,0,3,0,0,0,0,,0,3,3,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,1,1,0,0,0, statistics-0,BACKEND,0,0,0,0,200,0,393,10429,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,2,8,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,35,,,0,0,1,1,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-0,FRONTEND,,,0,1,2000,3,393,10429,0,0,0,,,,,OPEN,,,,,,,,,2,8,0,,,,0,0,0,1,,,,0,3,0,0,0,0,,0,1,3,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,1,3,3,0,0, statistics-2,BACKEND,0,0,0,0,200,0,66968,1585370,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,2,5,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-2,FRONTEND,,,1,4,2000,717,66968,1585370,0,0,0,,,,,OPEN,,,,,,,,,2,5,0,,,,0,1,0,6,,,,0,716,0,0,0,0,,1,6,717,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,6,717,717,0,0, Port 7003 # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses, sample-backend,BACKEND,0,0,0,0,200,0,0,0,0,0,,0,0,0,0,UP,1,1,0,,0,883,0,,3,3,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,-1,,,0,0,0,0,,,,,,,,,,,,,,http,roundrobin,,,,,,, sample-backend,backend-server-1,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP,1,1,0,0,0,883,0,,3,3,1,,0,,2,0,,0,L4OK,,4,0,0,0,0,0,0,,,,,0,0,,,,,-1,,,0,0,0,0,,,,Layer4 check passed,,2,3,4,,,,192.168.88.1:80,,http,,,,,,,, sample-backend,backend-server-2,0,0,0,0,,0,0,0,,0,,0,0,0,0,DOWN,1,1,0,1,1,881,881,,3,3,2,,0,,2,0,,0,L4CON,,1070,0,0,0,0,0,0,,,,,0,0,,,,,-1,No route to host at initial connection step of tcp-check,,0,0,0,0,,,,Layer4 connection problem,,2,3,0,,,,192.168.88.2:80,,http,,,,,,,, sample-frontend,FRONTEND,,,0,0,2000,0,0,0,0,0,0,,,,,OPEN,,,,,,,,,3,2,0,,,,0,0,0,0,,,,0,0,0,0,0,0,,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,0,0,0,0,0, statistics-0,BACKEND,0,0,0,0,200,0,524,13939,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,3,8,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,0,,,0,0,1,1,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-0,FRONTEND,,,0,1,2000,4,524,13939,0,0,0,,,,,OPEN,,,,,,,,,3,8,0,,,,0,1,0,1,,,,0,4,0,0,0,0,,1,1,4,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,1,4,4,0,0, statistics-3,BACKEND,0,0,0,0,200,0,66782,1575534,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,3,6,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,0,,,0,0,0,1,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-3,FRONTEND,,,1,4,2000,715,66782,1575534,0,0,0,,,,,OPEN,,,,,,,,,3,6,0,,,,0,1,0,5,,,,0,714,0,0,0,0,,1,5,715,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,5,715,715,0,0, Port 7004 # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses, sample-backend,BACKEND,0,0,0,4,200,9,2731,53617,0,0,,0,0,0,0,UP,1,1,0,,0,883,0,,4,3,0,,9,,1,0,,8,,,,0,8,0,1,0,0,,,,9,0,0,0,0,0,0,444,,,0,1,1,12,,,,,,,,,,,,,,http,roundrobin,,,,,,, sample-backend,backend-server-1,0,0,0,4,,9,2731,53617,,0,,0,0,0,0,UP,1,1,0,0,0,883,0,,4,3,1,,9,,2,0,,8,L4OK,,3,0,8,0,1,0,0,,,,,0,0,,,,,444,,,0,1,1,12,,,,Layer4 check passed,,2,3,4,,,,192.168.88.1:80,,http,,,,,,,, sample-backend,backend-server-2,0,0,0,0,,0,0,0,,0,,0,0,0,0,DOWN,1,1,0,1,1,881,881,,4,3,2,,0,,2,0,,0,L4CON,,1071,0,0,0,0,0,0,,,,,0,0,,,,,-1,No route to host at initial connection step of tcp-check,,0,0,0,0,,,,Layer4 connection problem,,2,3,0,,,,192.168.88.2:80,,http,,,,,,,, sample-frontend,FRONTEND,,,0,4,2000,4,2731,53617,0,0,0,,,,,OPEN,,,,,,,,,4,2,0,,,,0,0,0,4,,,,0,8,0,1,0,0,,0,8,9,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,4,4,0,0,0, statistics-0,BACKEND,0,0,0,0,200,0,131,3546,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,4,8,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,46,,,0,0,1,1,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-0,FRONTEND,,,0,1,2000,1,131,3546,0,0,0,,,,,OPEN,,,,,,,,,4,8,0,,,,0,0,0,1,,,,0,1,0,0,0,0,,0,1,1,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,1,1,1,0,0, statistics-4,BACKEND,0,0,0,0,200,0,66782,1581104,0,0,,0,0,0,0,UP,0,0,0,,0,883,,,4,7,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,http,roundrobin,,,,,,, statistics-4,FRONTEND,,,1,4,2000,715,66782,1581104,0,0,0,,,,,OPEN,,,,,,,,,4,7,0,,,,0,1,0,5,,,,0,714,0,0,0,0,,1,5,715,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,5,715,715,0,0,
Notice, calculated values on port 7000 could be slightly delayed up to 5 seconds.
