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HAProxy metrics
0. pxname [LFBS]: proxy name
1. svname [LFBS]: service name (FRONTEND for frontend, BACKEND for backend,
any name for server/listener)
2. qcur [..BS]: current queued requests. For the backend this reports the
number queued without a server assigned.
3. qmax [..BS]: max value of qcur
4. scur [LFBS]: current sessions
5. smax [LFBS]: max sessions
6. slim [LFBS]: configured session limit
7. stot [LFBS]: cumulative number of connections
8. bin [LFBS]: bytes in
9. bout [LFBS]: bytes out
10. dreq [LFB.]: requests denied because of security concerns.
- For tcp this is because of a matched tcp-request content rule.
- For http this is because of a matched http-request or tarpit rule.
11. dresp [LFBS]: responses denied because of security concerns.
- For http this is because of a matched http-request rule, or
"option checkcache".
12. ereq [LF..]: request errors. Some of the possible causes are:
- early termination from the client, before the request has been sent.
- read error from the client
- client timeout
- client closed connection
- various bad requests from the client.
- request was tarpitted.
13. econ [..BS]: number of requests that encountered an error trying to
connect to a backend server. The backend stat is the sum of the stat
for all servers of that backend, plus any connection errors not
associated with a particular server (such as the backend having no
active servers).
14. eresp [..BS]: response errors. srv_abrt will be counted here also.
Some other errors are:
- write error on the client socket (won't be counted for the server stat)
- failure applying filters to the response.
15. wretr [..BS]: number of times a connection to a server was retried.
16. wredis [..BS]: number of times a request was redispatched to another
server. The server value counts the number of times that server was
switched away from.
17. status [LFBS]: status (UP/DOWN/NOLB/MAINT/MAINT(via)...)
18. weight [..BS]: total weight (backend), server weight (server)
19. act [..BS]: number of active servers (backend), server is active (server)
20. bck [..BS]: number of backup servers (backend), server is backup (server)
21. chkfail [...S]: number of failed checks. (Only counts checks failed when
the server is up.)
22. chkdown [..BS]: number of UP->DOWN transitions. The backend counter counts
transitions to the whole backend being down, rather than the sum of the
counters for each server.
23. lastchg [..BS]: number of seconds since the last UP<->DOWN transition
24. downtime [..BS]: total downtime (in seconds). The value for the backend
is the downtime for the whole backend, not the sum of the server downtime.
25. qlimit [...S]: configured maxqueue for the server, or nothing in the
value is 0 (default, meaning no limit)
26. pid [LFBS]: process id (0 for first instance, 1 for second, ...)
27. iid [LFBS]: unique proxy id
28. sid [L..S]: server id (unique inside a proxy)
29. throttle [...S]: current throttle percentage for the server, when
slowstart is active, or no value if not in slowstart.
30. lbtot [..BS]: total number of times a server was selected, either for new
sessions, or when re-dispatching. The server counter is the number
of times that server was selected.
31. tracked [...S]: id of proxy/server if tracking is enabled.
32. type [LFBS]: (0=frontend, 1=backend, 2=server, 3=socket/listener)
33. rate [.FBS]: number of sessions per second over last elapsed second
34. rate_lim [.F..]: configured limit on new sessions per second
35. rate_max [.FBS]: max number of new sessions per second
36. check_status [...S]: status of last health check, one of:
UNK -> unknown
INI -> initializing
SOCKERR -> socket error
L4OK -> check passed on layer 4, no upper layers testing enabled
L4TOUT -> layer 1-4 timeout
L4CON -> layer 1-4 connection problem, for example
"Connection refused" (tcp rst) or "No route to host" (icmp)
L6OK -> check passed on layer 6
L6TOUT -> layer 6 (SSL) timeout
L6RSP -> layer 6 invalid response - protocol error
L7OK -> check passed on layer 7
L7OKC -> check conditionally passed on layer 7, for example 404 with
L7TOUT -> layer 7 (HTTP/SMTP) timeout
L7RSP -> layer 7 invalid response - protocol error
L7STS -> layer 7 response error, for example HTTP 5xx
37. check_code [...S]: layer5-7 code, if available
38. check_duration [...S]: time in ms took to finish last health check
39. hrsp_1xx [.FBS]: http responses with 1xx code
40. hrsp_2xx [.FBS]: http responses with 2xx code
41. hrsp_3xx [.FBS]: http responses with 3xx code
42. hrsp_4xx [.FBS]: http responses with 4xx code
43. hrsp_5xx [.FBS]: http responses with 5xx code
44. hrsp_other [.FBS]: http responses with other codes (protocol error)
45. hanafail [...S]: failed health checks details
46. req_rate [.F..]: HTTP requests per second over last elapsed second
47. req_rate_max [.F..]: max number of HTTP requests per second observed
48. req_tot [.F..]: total number of HTTP requests received
49. cli_abrt [..BS]: number of data transfers aborted by the client
50. srv_abrt [..BS]: number of data transfers aborted by the server
(inc. in eresp)
51. comp_in [.FB.]: number of HTTP response bytes fed to the compressor
52. comp_out [.FB.]: number of HTTP response bytes emitted by the compressor
53. comp_byp [.FB.]: number of bytes that bypassed the HTTP compressor
(CPU/BW limit)
54. comp_rsp [.FB.]: number of HTTP responses that were compressed
55. lastsess [..BS]: number of seconds since last session assigned to
56. last_chk [...S]: last health check contents or textual error
57. last_agt [...S]: last agent check contents or textual error
58. qtime [..BS]: the average queue time in ms over the 1024 last requests
59. ctime [..BS]: the average connect time in ms over the 1024 last requests
60. rtime [..BS]: the average response time in ms over the 1024 last requests
(0 for TCP)
61. ttime [..BS]: the average total session time in ms over the 1024 last
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