Checking Whether the log_slave_updates Value in the Source Database Is Correct

Failure Cause

Handling Suggestion

1. Log in to the server where the MySQL source database is located.
2. Run the following SQL statement to check whether the value of log_slave_updates is ON:

   show variables like '%log_slave_updates%';
   
   

3. Add the following content followed by [mysqld] in the MySQL configuration file my.cnf:

   log_slave_updates=1
   
   

4. After the modification, restart the source database during a non-service period.