How do I monitor replication lag between Regions in Global Datastore?
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I want to monitor the replication lag between Regions in the Global Datastore. How do I do that?
The Global Datastore feature in Amazon ElastiCache allows you to set up Cross-Region Replication.
Using Global Datastore, you can write or read to your primary Redis cluster in one Region. Then, you can have the data available to read from a secondary cross-Region replica cluster.
This provides low-latency reads and disaster recovery across Regions. The ReplicationLag metric can be used to check how far behind, in seconds, the replica is in applying changes from the primary node.