Лог за один час:
18:20:26 1552242026: New connection from 127.0.0.1 on port 1883.
18:20:26 1552242026: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
18:20:26 1552242026: Client MajorDoMo MQTT Client disconnected.
18:20:26 1552242026: New connection from 127.0.0.1 on port 1883.
18:20:26 1552242026: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
18:20:26 1552242026: Client MajorDoMo MQTT Client disconnected.
18:20:27 1552242027: New connection from 127.0.0.1 on port 1883.
18:20:27 1552242027: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
18:20:27 1552242027: Client MajorDoMo MQTT Client disconnected.
18:20:27 1552242027: New connection from 127.0.0.1 on port 1883.
18:20:27 1552242027: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
18:20:27 1552242027: Client MajorDoMo MQTT Client disconnected.
18:24:51 1552242291: Client MajorDoMo (#5c84da1e92703) has exceeded timeout, disconnecting.
18:24:51 1552242291: Socket error on client MajorDoMo (#5c84da1e92703), disconnecting.
18:24:51 1552242291: New connection from 127.0.0.1 on port 1883.
18:24:51 1552242291: Client MajorDoMo (#5c84da1e92703) disconnected.
18:24:51 1552242291: New client connected from 127.0.0.1 as MajorDoMo (#5c84da1e92703) (c0, k10).
18:25:05 1552242305: Client MajorDoMo (#5c84da1e92703) has exceeded timeout, disconnecting.
18:25:05 1552242305: Socket error on client MajorDoMo (#5c84da1e92703), disconnecting.
18:25:05 1552242305: New connection from 127.0.0.1 on port 1883.
18:25:05 1552242305: Client MajorDoMo (#5c84da1e92703) disconnected.
18:25:05 1552242305: New client connected from 127.0.0.1 as MajorDoMo (#5c84da1e92703) (c0, k10).
18:25:20 1552242320: New connection from 127.0.0.1 on port 1883.
18:25:20 1552242320: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
18:25:20 1552242320: Client MajorDoMo MQTT Client disconnected.
18:25:20 1552242320: New connection from 127.0.0.1 on port 1883.
18:25:20 1552242320: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
18:25:20 1552242320: Client MajorDoMo MQTT Client disconnected.
18:32:47 1552242767: Client MajorDoMo (#5c84da1e92703) has exceeded timeout, disconnecting.
18:32:47 1552242767: Socket error on client MajorDoMo (#5c84da1e92703), disconnecting.
18:32:47 1552242767: New connection from 127.0.0.1 on port 1883.
18:32:47 1552242767: Client MajorDoMo (#5c84da1e92703) disconnected.
18:32:47 1552242767: New client connected from 127.0.0.1 as MajorDoMo (#5c84da1e92703) (c0, k10).
18:45:21 1552243521: Saving in-memory database to /var/lib/mosquitto/mosquitto.db.
18:54:47 1552244087: Client MajorDoMo (#5c84da1e92703) has exceeded timeout, disconnecting.
18:54:47 1552244087: Socket error on client MajorDoMo (#5c84da1e92703), disconnecting.
18:54:47 1552244087: New connection from 127.0.0.1 on port 1883.
18:54:47 1552244087: Client MajorDoMo (#5c84da1e92703) disconnected.
18:54:47 1552244087: New client connected from 127.0.0.1 as MajorDoMo (#5c84da1e92703) (c0, k10).
18:55:02 1552244102: Client MajorDoMo (#5c84da1e92703) has exceeded timeout, disconnecting.
18:55:02 1552244102: Socket error on client MajorDoMo (#5c84da1e92703), disconnecting.
18:55:02 1552244102: New connection from 127.0.0.1 on port 1883.
18:55:02 1552244102: Client MajorDoMo (#5c84da1e92703) disconnected.
18:55:02 1552244102: New client connected from 127.0.0.1 as MajorDoMo (#5c84da1e92703) (c0, k10).
19:04:40 1552244680: Client MajorDoMo (#5c84da1e92703) has exceeded timeout, disconnecting.
19:04:40 1552244680: Socket error on client MajorDoMo (#5c84da1e92703), disconnecting.
19:04:40 1552244680: New connection from 127.0.0.1 on port 1883.
19:04:40 1552244680: Client MajorDoMo (#5c84da1e92703) disconnected.
19:04:40 1552244680: New client connected from 127.0.0.1 as MajorDoMo (#5c84da1e92703) (c0, k10).
19:15:22 1552245322: Saving in-memory database to /var/lib/mosquitto/mosquitto.db.
19:24:26 1552245866: New connection from 127.0.0.1 on port 1883.
19:24:26 1552245866: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
19:24:26 1552245866: Client MajorDoMo MQTT Client disconnected.
Кусок лога в режиме дебага:
19:49:31 1552247371: Sending PINGRESP to MajorDoMo (#5c84da1e92703)
19:49:34 1552247374: New connection from 127.0.0.1 on port 1883.
19:49:34 1552247374: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
19:49:34 1552247374: Sending CONNACK to MajorDoMo MQTT Client (0, 0)
19:49:34 1552247374: Received PUBLISH from MajorDoMo MQTT Client (d0, q0, r0, m0, 'p/i/l1', ... (1 bytes))
19:49:34 1552247374: Sending PUBLISH to MajorDoMo (#5c84da1e92703) (d0, q0, r0, m0, 'p/i/l1', ... (1 bytes))
19:49:34 1552247374: Sending PUBLISH to prihogay (d0, q0, r0, m0, 'p/i/l1', ... (1 bytes))
19:49:34 1552247374: Received DISCONNECT from MajorDoMo MQTT Client
19:49:34 1552247374: Client MajorDoMo MQTT Client disconnected.
19:49:34 1552247374: New connection from 127.0.0.1 on port 1883.
19:49:34 1552247374: New client connected from 127.0.0.1 as MajorDoMo MQTT Client (c1, k10).
19:49:34 1552247374: Sending CONNACK to MajorDoMo MQTT Client (0, 0)
19:49:34 1552247374: Received PUBLISH from MajorDoMo MQTT Client (d0, q0, r0, m0, 'p/o/l1', ... (1 bytes))
19:49:34 1552247374: Sending PUBLISH to MajorDoMo (#5c84da1e92703) (d0, q0, r0, m0, 'p/o/l1', ... (1 bytes))
19:49:34 1552247374: Received DISCONNECT from MajorDoMo MQTT Client
19:49:34 1552247374: Client MajorDoMo MQTT Client disconnected.
Настройки в МД

- mqtt.jpg (44.82 КБ) 5142 просмотра
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Перенастроил, чтобы МД не получал свои же публикации - проблема осталась.
Такое ощущение, иногда МД не успевает ответить на пинги:
Здесь успел:
18:19:48 1552328388: Sending PINGRESP to MajorDoMo (#5c868ee5e758e)
18:19:50 1552328390: Received PINGREQ from room2
18:19:50 1552328390: Sending PINGRESP to room2
18:19:50 1552328390: Received PUBLISH from prihogay (d0, q0, r0, m0, 'o/p/d1', ... (1 bytes))
18:19:50 1552328390: Sending PUBLISH to MajorDoMo (#5c868ee5e758e) (d0, q0, r0, m0, 'o/p/d1', ... (1 bytes))
18:19:54 1552328394: Received PINGREQ from dvor
18:19:54 1552328394: Sending PINGRESP to dvor
18:19:55 1552328395: Received PINGREQ from MajorDoMo (#5c868ee5e758e)
Здесь не успел (в пустой строке много sent-ов в МД (30 штук)):
18:19:55 1552328395: Sending PINGRESP to MajorDoMo (#5c868ee5e758e)
18:20:09 1552328409: Client MajorDoMo (#5c868ee5e758e) has exceeded timeout, disconnecting.
18:20:09 1552328409: Socket error on client MajorDoMo (#5c868ee5e758e), disconnecting.
18:20:09 1552328409: New connection from 127.0.0.1 on port 1883.
18:20:09 1552328409: Client MajorDoMo (#5c868ee5e758e) disconnected.
18:20:09 1552328409: New client connected from 127.0.0.1 as MajorDoMo (#5c868ee5e758e) (c0, k10).
18:20:09 1552328409: Sending CONNACK to MajorDoMo (#5c868ee5e758e) (0, 0)