How to manually force data synchronization in MongoDB master-slave mode

MongoDB master-slave mode how to manually force synchronization of data, I believe that many inexperienced people do not know what to do, so this paper summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.

If slave is out of sync with master due to special reasons, such as master-slave delay, and the slave database lags far behind the master database data, you need to manually force synchronization by:

Run the following command on slave:

1) .use admin

2). Db.auth ('userName',' password')

3) .db.runCommand ({resync: 1})

If the data lags far behind, it will take a long time.

After reading the above, have you mastered how to manually force data synchronization in MongoDB master-slave mode? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!