- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Cloud
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.
Lab Info
Table of Contents
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Challenge
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.
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Challenge
Check Replica Status
Connect to primary member and check secondary member status. Insert a new document and confirm replication.
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