AliwareMQ for MQTT Upgrade Notice in April 2022

[Alibaba Cloud][AliwareMQ for MQTT][Upgrade Notice]

Upgrade windows:
April 07, 2022 22:00 Beijing time - April 08, 2022 07:00 Beijing time
April 12, 2022 22:00 Beijing time - April 13, 2022 07:00 Beijing time
April 14, 2022 22:00 Beijing time - April 15, 2022 07:00 Beijing time
April 19, 2022 22:00 Beijing time - April 20, 2022 07:00 Beijing time
April 26, 2022 22:00 Beijing time - April 27, 2022 07:00 Beijing time


Upgrade content:
MQTT services in all regions.

Upgrade Impact:
During the upgrade windows, the MQTT console and each service node in the cluster may experience a second-level flash (the flash time is positively related to the cluster scale). The client application needs to set automatic reconnection to avoid affecting the business.
During the upgrade windows, there may be a small volume of message delivery failures, and the client should implement a retry mechanism for disconnection failures; at the same time, there may be message delivery delays. For administrative operations on the console, please avoid these upgrade windows.
Sorry for the inconvenience caused to you, if you have any questions, please feel free to contact us through the ticket.