HAProxy : Refer to the Statistics#22015/01/22 |
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Configure HAProxy to see HAProxy's Statistics with commands.
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| [1] | Install some packages. |
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# install from EPEL [root@dlp ~]# yum --enablerepo=epel -y install socat
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| [2] | Configure HAProxy. |
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[root@dlp ~]#
vi /etc/haproxy/haproxy.cfg # add follows in the "global" section global # binds UNIX sockets
stats socket /var/lib/haproxy/stats
/etc/rc.d/init.d/haproxy restart Stopping haproxy: [ OK ] Starting haproxy: [ OK ] |
| [3] | Refer to the Statistics like follows. |
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# display current stats [root@dlp ~]# echo "show info" | socat /var/lib/haproxy/stats stdio
Name: HAProxy Version: 1.5.2 Release_date: 2014/07/12 Nbproc: 1 Process_num: 1 Pid: 1297 ... ... Idle_pct: 100 node: dlp.srv.world description: # display stas with CSV [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..... http-in,FRONTEND,,,0,1,2000,2,0,374,0,0,2,,,,,OPEN,,,,,,,,,1,2,0,,,,0,0,0,1,,,,0,0,0,2,0..... backend_servers,www01,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP,1,1,0,0,0,574,0,,1,3,1,,0,,2,0,,0,L4O..... backend_servers,www02,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP,1,1,0,0,0,574,0,,1,3,2,,0,,2,0,,0,L4O..... backend_servers,BACKEND,0,0,0,0,200,0,0,0,0,0,,0,0,0,0,UP,2,2,0,,0,574,0,,1,3,0,,0,,1,0..... # display current session [root@dlp ~]# echo "show sess" | socat /var/lib/haproxy/stats stdio
0x1759ff0: proto=unix_stream src=unix:1 fe=GLOBAL be=<NONE> srv=<none> ts=0b age=0s calls=1 rq[f=c08200h,i=0,an=00h,rx=10s,wx=,ax=] rp[f=008000h,i=0,an=00h,rx=,wx=,ax=] s0=[7,8h,fd=1,ex=] s1=[7,8h,fd=-1,ex=] exp= # foe other operations # enter the interactive mode [root@dlp ~]# socat readline /var/lib/haproxy/stats
prompt # show help > help Unknown command. Please enter one of the following commands only : clear counters : clear max statistics counters (add 'all' for all counters) clear table : remove an entry from a table help : this message prompt : toggle interactive mode with prompt quit : disconnect show info : report information about the running process show pools : report information about the memory pools usage show stat : report counters for each proxy and server show errors : report last request and response errors for each proxy show sess [id] : report the list of current sessions or dump this session show table [id]: report table usage stats or dump this table's contents get weight : report a server's current weight set weight : change a server's weight set server : change a server's state or weight set table [id] : update or create a table entry's data set timeout : change a timeout setting set maxconn : change a maxconn setting set rate-limit : change a rate limiting value disable : put a server or frontend in maintenance mode enable : re-enable a server or frontend which is in maintenance mode shutdown : kill a session or a frontend (eg:to release listening ports) show acl [id] : report avalaible acls or dump an acl's contents get acl : reports the patterns matching a sample for an ACL add acl : add acl entry del acl : delete acl entry clear acl <id> : clear the content of this acl show map [id] : report avalaible maps or dump a map's contents get map : reports the keys and values matching a sample for a map set map : modify map entry add map : add map entry del map : delete map entry clear map <id> : clear the content of this map set ssl <stmt> : set statement for ssl # exit from interactive mode > quit |
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