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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.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 15m
Published
Clock icon Mar 31, 2022

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Table of Contents

  1. 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.

  2. Challenge

    Check Replica Status

    Connect to primary member and check secondary member status. Insert a new document and confirm replication.

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