Fedora 39
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HAProxy : Refer to the Statistics (CUI)2023/11/22
 
Configure HAProxy to see HAProxy Statistics Reports with commands.
[1] Install required package.
[root@dlp ~]#
dnf -y install socat
[2] Configure HAProxy.
[root@dlp ~]#
vi /etc/haproxy/haproxy.cfg
# confirm settings
# OK if following line exists in [global] section

global
.....
.....
        stats socket /var/lib/haproxy/stats
[root@dlp ~]#
systemctl reload haproxy

[3] Refer to the Statistics like follows.
# display current stats

[root@dlp ~]#
echo "show info" | socat /var/lib/haproxy/stats stdio 

Name: HAProxy
Version: 2.8.3-86e043a
Release_date: 2023/09/07
Nbthread: 2
Nbproc: 1
Process_num: 1
Pid: 1313
Uptime: 0d 0h00m06s
Uptime_sec: 6
Memmax_MB: 0

.....
.....

PoolUsed_bytes: 55400
Start_time_sec: 1700618168
Tainted: 0
TotalWarnings: 0
MaxconnReached: 0
BootTime_ms: 9
# display current stats with CSV style

[root@dlp ~]#
echo "show stat" | socat /var/lib/haproxy/stats stdio 
# 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,wrew,connect,reuse,cache_lookups,cache_hits,srv_icur,src_ilim,qtime_max,ctime_max,rtime_max,ttime_max,eint,idle_conn_cur,safe_conn_cur,used_conn_cur,need_conn_est,uweight,agg_server_status,agg_server_check_status,agg_check_status,srid,sess_other,h1sess,h2sess,h3sess,req_other,h1req,h2req,h3req,proto,-,ssl_sess,ssl_reused_sess,ssl_failed_handshake,h2_headers_rcvd,h2_data_rcvd,h2_settings_rcvd,h2_rst_stream_rcvd,h2_goaway_rcvd,h2_detected_conn_protocol_errors,h2_detected_strm_protocol_errors,h2_rst_stream_resp,h2_goaway_resp,h2_open_connections,h2_backend_open_streams,h2_total_connections,h2_backend_total_streams,h1_open_connections,h1_open_streams,h1_total_connections,h1_total_streams,h1_bytes_in,h1_bytes_out,h1_spliced_bytes_in,h1_spliced_bytes_out,
http-in,FRONTEND,,,0,0,3000,0,0,0,0,0,0,,,,,OPEN,,,,,,,,,1,2,0,,,,0,0,0,0,,,,0,0,0,0,0,0,,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,0,0,0,0,0,0,,,0,0,,,,,,,0,,,,,,,,,,0,0,0,0,0,0,0,0,,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
backend_servers,node01,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP,1,1,0,0,0,47,0,,1,3,1,,0,,2,0,,0,L4OK,,0,0,0,0,0,0,0,,,,0,0,0,,,,,-1,,,0,0,0,0,,,,Layer4 check passed,,2,3,4,,,,10.0.0.51:80,,http,,,,,,,,0,0,0,,,0,,0,0,0,0,0,0,0,0,1,1,,,,0,,,,,,,,,,-,0,0,0,,,,,,,,,,,,,,,,,,,,,,
backend_servers,node02,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP,1,1,0,0,0,47,0,,1,3,2,,0,,2,0,,0,L4OK,,0,0,0,0,0,0,0,,,,0,0,0,,,,,-1,,,0,0,0,0,,,,Layer4 check passed,,2,3,4,,,,10.0.0.52:80,,http,,,,,,,,0,0,0,,,0,,0,0,0,0,0,0,0,0,1,1,,,,0,,,,,,,,,,-,0,0,0,,,,,,,,,,,,,,,,,,,,,,
backend_servers,BACKEND,0,0,0,0,300,0,0,0,0,0,,0,0,0,0,UP,2,2,0,,0,47,0,,1,3,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,-1,,,0,0,0,0,,,,,,,,,,,,,,http,roundrobin,,,,,,,0,0,0,0,0,,,0,0,0,0,0,,,,,2,0,0,0,,,,,,,,,,,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
# display current session

[root@dlp ~]#
echo "show sess" | socat /var/lib/haproxy/stats stdio 
0x55b78f4c71a0: proto=unix_stream src=unix:1 fe=GLOBAL be=<NONE> srv=<none> ts=00 epoch=0 age=0s calls=1 rate=0 cpu=0 lat=0 rq[f=808000h,i=0,an=00h,ax=] rp[f=80008000h,i=0,an=00h,ax=] scf=[8,400h,fd=14,rex=10s,wex=] scb=[8,1h,fd=-1,rex=,wex=] exp=10s rc=0 c_exp=
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