issue
1. It is always in the starting state. There are the following possibilities
1). Refresh
2). Before trying to start the data source, if there is a problem with the site, it will automatically traverse the initial position of the current site file to find the nearest available site. If this is closed, please click close or go to MySQL kill to connect
3). Network exception, trying again all the time
2. aways closing state
1). Refresh
2). If the previous status is “stagting” and then clicking “close”, it may be because the site is wrong. The background is looking for the correct site, which is relatively slow. If you need to close it at this time, please go to MYSQL to find the relevant connection and perform the kill operation
3). Judge whether the MySQL connection is suspended. If you want to exit, please go to MySQL kill connection
3. delay
The current server time is calculated,not the latest binlog event time
4. Edit DataSource