Shulou(Shulou.com)06/01 Report--

2. Kill-9 kills the mysqld parent process in Master, while the child process disappears, resulting in master downtime. At this time, it is found that Master migrates to slave node.

3. At this point, the master server is the Slave-1 node

4. The administrator automatically modifies read_only to 0

MHA only executes one task, so the master is down, and the new master needs to delete the read_only in the configuration file. If the down master is repaired and restarted, it is recommended to choose when the slave slave node

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