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DOC: expand the docs for the provided stats.
Indicate for each statistic which types may have a value for that statistic. Explain some of the provided statistics a little more deeply.
This commit is contained in:
James Westby
Willy Tarreau
parent
70f72e0c90
commit
ebe62d645b
@ -13146,44 +13146,76 @@ text is doubled ('""'), which is the format that most tools recognize. Please
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do not insert any column before these ones in order not to break tools which
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use hard-coded column positions.
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0. pxname: proxy name
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1. svname: service name (FRONTEND for frontend, BACKEND for backend, any name
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for server)
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2. qcur: current queued requests
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3. qmax: max queued requests
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4. scur: current sessions
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5. smax: max sessions
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6. slim: sessions limit
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7. stot: total sessions
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8. bin: bytes in
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9. bout: bytes out
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10. dreq: denied requests
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11. dresp: denied responses
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12. ereq: request errors
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13. econ: connection errors
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14. eresp: response errors (among which srv_abrt)
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15. wretr: retries (warning)
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16. wredis: redispatches (warning)
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17. status: status (UP/DOWN/NOLB/MAINT/MAINT(via)...)
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18. weight: server weight (server), total weight (backend)
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19. act: server is active (server), number of active servers (backend)
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20. bck: server is backup (server), number of backup servers (backend)
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21. chkfail: number of failed checks
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22. chkdown: number of UP->DOWN transitions
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23. lastchg: last status change (in seconds)
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24. downtime: total downtime (in seconds)
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25. qlimit: queue limit
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26. pid: process id (0 for first instance, 1 for second, ...)
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27. iid: unique proxy id
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28. sid: service id (unique inside a proxy)
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29. throttle: warm up status
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30. lbtot: total number of times a server was selected
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31. tracked: id of proxy/server if tracking is enabled
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32. type (0=frontend, 1=backend, 2=server, 3=socket)
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33. rate: number of sessions per second over last elapsed second
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34. rate_lim: limit on new sessions per second
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35. rate_max: max number of new sessions per second
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36. check_status: status of last health check, one of:
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In brackets after each field name are the types which may have a value for
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that field. The types are L (Listeners), F (Frontends), B (Backends), and
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S (Servers).
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0. pxname [LFBS]: proxy name
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1. svname [LFBS]: service name (FRONTEND for frontend, BACKEND for backend,
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any name for server/listener)
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2. qcur [..BS]: current queued requests. For the backend this reports the
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number queued without a server assigned.
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3. qmax [..BS]: max value of qcur
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4. scur [LFBS]: current sessions
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5. smax [LFBS]: max sessions
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6. slim [LFBS]: configured session limit
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7. stot [LFBS]: cumulative number of connections
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8. bin [LFBS]: bytes in
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9. bout [LFBS]: bytes out
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10. dreq [LFB.]: requests denied because of security concerns.
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- For tcp this is because of a matched tcp-request content rule.
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- For http this is because of a matched http-request or tarpit rule.
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11. dresp [LFBS]: responses denied because of security concerns.
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- For http this is because of a matched http-request rule, or
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"option checkcache".
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12. ereq [LF..]: request errors. Some of the possible causes are:
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- early termination from the client, before the request has been sent.
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- read error from the client
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- client timeout
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- client closed connection
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- various bad requests from the client.
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- request was tarpitted.
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13. econ [..BS]: number of requests that encountered an error trying to
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connect to a backend server. The backend stat is the sum of the stat
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for all servers of that backend, plus any connection errors not
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associated with a particular server (such as the backend having no
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active servers).
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14. eresp [..BS]: response errors. srv_abrt will be counted here also.
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Some other errors are:
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- write error on the client socket (won't be counted for the server stat)
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- failure applying filters to the response.
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15. wretr [..BS]: number of times a connection to a server was retried.
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16. wredis [..BS]: number of times a request was redispatched to another
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server. The server value counts the number of times that server was
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switched away from.
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17. status [LFBS]: status (UP/DOWN/NOLB/MAINT/MAINT(via)...)
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18. weight [..BS]: server weight (server), total weight (backend)
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19. act [..BS]: server is active (server), number of active servers (backend)
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20. bck [..BS]: server is backup (server), number of backup servers (backend)
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21. chkfail [...S]: number of failed checks. (Only counts checks failed when
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the server is up.)
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22. chkdown [..BS]: number of UP->DOWN transitions. The backend counter counts
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transitions to the whole backend being down, rather than the sum of the
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counters for each server.
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23. lastchg [..BS]: number of seconds since the last UP<->DOWN transition
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24. downtime [..BS]: total downtime (in seconds). The value for the backend
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is the downtime for the whole backend, not the sum of the server downtime.
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25. qlimit [...S]: configured maxqueue for the server, or nothing in the
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value is 0 (default, meaning no limit)
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26. pid [LFBS]: process id (0 for first instance, 1 for second, ...)
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27. iid [LFBS]: unique proxy id
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28. sid [L..S]: server id (unique inside a proxy)
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29. throttle [...S]: current throttle percentage for the server, when
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slowstart is active, or no value if not in slowstart.
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30. lbtot [..BS]: total number of times a server was selected, either for new
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sessions, or when re-dispatching. The server counter is the number
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of times that server was selected.
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31. tracked [...S]: id of proxy/server if tracking is enabled.
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32. type [LFBS]: (0=frontend, 1=backend, 2=server, 3=socket/listener)
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33. rate [.FBS]: number of sessions per second over last elapsed second
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34. rate_lim [.F..]: configured limit on new sessions per second
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35. rate_max [.FBS]: max number of new sessions per second
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36. check_status [...S]: status of last health check, one of:
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UNK -> unknown
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INI -> initializing
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SOCKERR -> socket error
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@ -13200,31 +13232,36 @@ use hard-coded column positions.
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L7TOUT -> layer 7 (HTTP/SMTP) timeout
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L7RSP -> layer 7 invalid response - protocol error
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L7STS -> layer 7 response error, for example HTTP 5xx
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37. check_code: layer5-7 code, if available
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38. check_duration: time in ms took to finish last health check
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39. hrsp_1xx: http responses with 1xx code
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40. hrsp_2xx: http responses with 2xx code
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41. hrsp_3xx: http responses with 3xx code
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42. hrsp_4xx: http responses with 4xx code
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43. hrsp_5xx: http responses with 5xx code
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44. hrsp_other: http responses with other codes (protocol error)
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45. hanafail: failed health checks details
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46. req_rate: HTTP requests per second over last elapsed second
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47. req_rate_max: max number of HTTP requests per second observed
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48. req_tot: total number of HTTP requests received
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49. cli_abrt: number of data transfers aborted by the client
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50. srv_abrt: number of data transfers aborted by the server (inc. in eresp)
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51. comp_in: number of HTTP response bytes fed to the compressor
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52. comp_out: number of HTTP response bytes emitted by the compressor
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53. comp_byp: number of bytes that bypassed the HTTP compressor (CPU/BW limit)
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54. comp_rsp: number of HTTP responses that were compressed
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55. lastsess: number of seconds since last session assigned to server/backend
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56. last_chk: last health check contents or textual error
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57. last_agt: last agent check contents or textual error
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58. qtime: the average queue time in ms over the 1024 last requests
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59. ctime: the average connect time in ms over the 1024 last requests
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60. rtime: the average response time in ms over the 1024 last requests (0 for TCP)
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61. ttime: the average total session time in ms over the 1024 last requests
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37. check_code [...S]: layer5-7 code, if available
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38. check_duration [...S]: time in ms took to finish last health check
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39. hrsp_1xx [.FBS]: http responses with 1xx code
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40. hrsp_2xx [.FBS]: http responses with 2xx code
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41. hrsp_3xx [.FBS]: http responses with 3xx code
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42. hrsp_4xx [.FBS]: http responses with 4xx code
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43. hrsp_5xx [.FBS]: http responses with 5xx code
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44. hrsp_other [.FBS]: http responses with other codes (protocol error)
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45. hanafail [...S]: failed health checks details
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46. req_rate [.F..]: HTTP requests per second over last elapsed second
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47. req_rate_max [.F..]: max number of HTTP requests per second observed
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48. req_tot [.F..]: total number of HTTP requests received
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49. cli_abrt [..BS]: number of data transfers aborted by the client
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50. srv_abrt [..BS]: number of data transfers aborted by the server
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(inc. in eresp)
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51. comp_in [.FB.]: number of HTTP response bytes fed to the compressor
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52. comp_out [.FB.]: number of HTTP response bytes emitted by the compressor
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53. comp_byp [.FB.]: number of bytes that bypassed the HTTP compressor
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(CPU/BW limit)
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54. comp_rsp [.FB.]: number of HTTP responses that were compressed
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55. lastsess [..BS]: number of seconds since last session assigned to
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server/backend
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56. last_chk [...S]: last health check contents or textual error
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57. last_agt [...S]: last agent check contents or textual error
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58. qtime [..BS]: the average queue time in ms over the 1024 last requests
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59. ctime [..BS]: the average connect time in ms over the 1024 last requests
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60. rtime [..BS]: the average response time in ms over the 1024 last requests
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(0 for TCP)
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61. ttime [..BS]: the average total session time in ms over the 1024 last
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requests
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9.2. Unix Socket commands
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