Help Center > > User Guide> MySQL DB Instance Management (Development Tool)> Intelligent O&M> Emergency Channel

Emergency Channel

Updated at: Jun 09, 2021 GMT+08:00


If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergency channel.


  1. On the top menu bar, choose Intelligent O&M > Emergency Channel.

    Figure 1 Emergency channel

  2. On the displayed page, view the description of Emergency Channel.

    Figure 2 Emergency Channel

  3. On the History Logs page, view the sessions that have been killed.

    Figure 3 History logs

A session supports a maximum of three tasks. Close unnecessary sessions temporarily for the transaction to run properly.

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