broker 命令

broker 命令查询服务器基本信息，启动时间，统计数据与性能数据。

命令描述
broker查询 EMQ X 描述、版本、启动时间
broker stats查询连接 (Connection)、会话 (Session)、主题 (Topic)、订阅 (Subscription)、路由 (Route) 统计信息
broker metrics查询 MQTT 报文 (Packet)、消息 (Message) 收发统计

查询 EMQ X 基本信息，包括版本、启动时间等:

  1. $ ./bin/emqx_ctl broker
  2. sysdescr  : EMQ X Broker
  3. version   : 4.0.0
  4. uptime    : 4 minutes, 52 seconds
  5. datetime  : 2020-02-21 09:39:58

broker stats

查询服务器客户端连接 (Connections)、主题 (Topics)、订阅 (Subscriptions)、路由 (Routes) 统计:

  1. $ ./bin/emqx_ctl broker stats
  2. actions.count                 : 5
  3. actions.max                   : 5
  4. channels.count                : 0
  5. channels.max                  : 0
  6. connections.count             : 0
  7. connections.max               : 0
  8. resources.count               : 0
  9. resources.max                 : 0
  10. retained.count                : 3
  11. retained.max                  : 3
  12. routes.count                  : 0
  13. routes.max                    : 0
  14. rules.count                   : 0
  15. rules.max                     : 0
  16. sessions.count                : 0
  17. sessions.max                  : 0
  18. suboptions.count              : 0
  19. suboptions.max                : 0
  20. subscribers.count             : 0
  21. subscribers.max               : 0
  22. subscriptions.count           : 0
  23. subscriptions.max             : 0
  24. subscriptions.shared.count    : 0
  25. subscriptions.shared.max      : 0
  26. topics.count                  : 0
  27. topics.max                    : 0

broker metrics

查询服务器流量 (Bytes)、MQTT 报文 (Packets)、消息 (Messages) 收发统计:

  1. $ ./bin/emqx_ctl broker metrics
  2. actions.success               : 0
  3. bytes.received                : 0
  4. bytes.sent                    : 0
  5. client.auth.anonymous         : 0
  6. client.authenticate           : 0
  7. client.check_acl              : 0
  8. client.connack                : 0
  9. client.connect                : 0
  10. client.connected              : 0
  11. client.disconnected           : 0
  12. client.subscribe              : 0
  13. client.unsubscribe            : 0
  14. delivery.dropped              : 0
  15. delivery.dropped.expired      : 0
  16. delivery.dropped.no_local     : 0
  17. delivery.dropped.qos0_msg     : 0
  18. delivery.dropped.queue_full   : 0
  19. delivery.dropped.too_large    : 0
  20. messages.acked                : 0
  21. messages.delayed              : 0
  22. messages.delivered            : 0
  23. messages.dropped              : 0
  24. messages.dropped.expired      : 0
  25. messages.dropped.no_subscriber: 0
  26. messages.forward              : 0
  27. messages.publish              : 0
  28. messages.qos0.received        : 0
  29. messages.qos0.sent            : 0
  30. messages.qos1.received        : 0
  31. messages.qos1.sent            : 0
  32. messages.qos2.received        : 0
  33. messages.qos2.sent            : 0
  34. messages.received             : 0
  35. messages.retained             : 3
  36. messages.sent                 : 0
  37. packets.auth.received         : 0
  38. packets.auth.sent             : 0
  39. packets.connack.auth_error    : 0
  40. packets.connack.error         : 0
  41. packets.connack.sent          : 0
  42. packets.connect.received      : 0
  43. packets.disconnect.received   : 0
  44. packets.disconnect.sent       : 0
  45. packets.pingreq.received      : 0
  46. packets.pingresp.sent         : 0
  47. packets.puback.inuse          : 0
  48. packets.puback.missed         : 0
  49. packets.puback.received       : 0
  50. packets.puback.sent           : 0
  51. packets.pubcomp.inuse         : 0
  52. packets.pubcomp.missed        : 0
  53. packets.pubcomp.received      : 0
  54. packets.pubcomp.sent          : 0
  55. packets.publish.auth_error    : 0
  56. packets.publish.dropped       : 0
  57. packets.publish.error         : 0
  58. packets.publish.received      : 0
  59. packets.publish.sent          : 0
  60. packets.pubrec.inuse          : 0
  61. packets.pubrec.missed         : 0
  62. packets.pubrec.received       : 0
  63. packets.pubrec.sent           : 0
  64. packets.pubrel.missed         : 0
  65. packets.pubrel.received       : 0
  66. packets.pubrel.sent           : 0
  67. packets.received              : 0
  68. packets.sent                  : 0
  69. packets.suback.sent           : 0
  70. packets.subscribe.auth_error  : 0
  71. packets.subscribe.error       : 0
  72. packets.subscribe.received    : 0
  73. packets.unsuback.sent         : 0
  74. packets.unsubscribe.error     : 0
  75. packets.unsubscribe.received  : 0
  76. rules.matched                 : 0
  77. session.created               : 0
  78. session.discarded             : 0
  79. session.resumed               : 0
  80. session.takeovered            : 0
  81. session.terminated            : 0