- A Cloud Guru
Check Replication Lag of MongoDB Replica Set
In this lab, students are asked to check the replication lag of a MongoDB replica set. Replication lag is the amount of time for data written to the primary to be replicated to the secondary members of a replica set. After completing this lab, students will have hands-on experience checking the lag of a MongoDB replica set.
Table of Contents
Find Primary Member
Connect to any member and check the replica set status to determine the primary member. To obtain the most current status for your replica set, you should check the status on the primary.
Check Replica Status
Connect to primary member and check secondary member status. Insert a new document and confirm replication.
What's a lab?
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.