Hello everyone, especially @cicoub13 and @pierre-gilles,
I received an alert on my Gladys instance (mini-PC) because disk space was low.
Investigating, it’s caused by a container.

This container corresponds to eclipse-mosquitto, used by the Zigbee2MQTT service or by MQTT, I’m not certain.
This is confirmed by the info file at the source of this folder:
Digging a little further, restarting the container changed nothing. In fact, it’s a single file that’s using all the space:
/var/lib/docker/containers/9991e6bed47295b41c61b190cfb4168c0a2fe282b561e4afa950ceb8a2dbf781/9991e6bed47295b41c61b190cfb4168c0a2fe282b561e4afa950ceb8a2dbf781-json.log
This log file uses 24 GB!
Here’s an excerpt:
{\"log\":\"1668743198: Sending PUBLISH to mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (35 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.13707785Z\"}
{\"log\":\"1668743198: Received PUBLISH from mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.650861947Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-362751 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.650892565Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-372063 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.650919128Z\"}
{\"log\":\"1668743198: Sending PUBLISH to NodeRed-6dda341ee7a029cb (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.650951475Z\"}
{\"log\":\"1668743198: Sending PUBLISH to mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651049516Z\"}
{\"log\":\"1668743198: Received PUBLISH from mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (135 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651070441Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-362751 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (135 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651075885Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-372063 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (135 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651112656Z\"}
{\"log\":\"1668743198: Sending PUBLISH to NodeRed-6dda341ee7a029cb (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (135 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651137601Z\"}
{\"log\":\"1668743198: Sending PUBLISH to mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (135 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651298518Z\"}
{\"log\":\"1668743198: Received PUBLISH from mqttjs_85adae46 (d0, q0, r1, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (35 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651313521Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-362751 (d0, q0, r0, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (35 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651318495Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-372063 (d0, q0, r0, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (35 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651322586Z\"}
{\"log\":\"1668743198: Sending PUBLISH to NodeRed-6dda341ee7a029cb (d0, q0, r0, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (35 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651328966Z\"}
{\"log\":\"1668743198: Sending PUBLISH to mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (35 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.651354167Z\"}
{\"log\":\"1668743198: Received PUBLISH from mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693765258Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-362751 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693813636Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-372063 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693829505Z\"}
{\"log\":\"1668743198: Sending PUBLISH to NodeRed-6dda341ee7a029cb (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.69383429Z\"}
{\"log\":\"1668743198: Sending PUBLISH to mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (283 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693881662Z\"}
{\"log\":\"1668743198: Received PUBLISH from mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (127 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693935993Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-362751 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (127 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693942686Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-372063 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (127 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.693996451Z\"}
{\"log\":\"1668743198: Sending PUBLISH to NodeRed-6dda341ee7a029cb (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (127 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.694010852Z\"}
{\"log\":\"1668743198: Sending PUBLISH to mqttjs_85adae46 (d0, q0, r0, m0, 'zigbee2mqtt/bridge/logging', ... (127 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.694042749Z\"}
{\"log\":\"1668743198: Received PUBLISH from mqttjs_85adae46 (d0, q0, r1, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (27 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.694107082Z\"}
{\"log\":\"1668743198: Sending PUBLISH to gladys-main-instance-362751 (d0, q0, r0, m0, 'zigbee2mqtt/capteurQualitéDeLair', ... (27 bytes))\\n\",\"stream\":\"stderr\",\"time\":\"2022-11-18T03:46:38.694133106Z\"}
Fix to consider?
Since this is probably a « bug », we should force the « emptying » of this file every day during Gladus backup, for example.

