Home » Amazon » AWS Certified Solutions Architect - Associate » It is advised that you watch the Amazon CloudWatch"" metric (available via the AWS Management Console or Amazon Cloud Watch APIs) carefully and recreate the Read Replica should it fall behind due to replication errors.
It is advised that you watch the Amazon CloudWatch"" metric (available via the AWS Management Console or Amazon Cloud Watch APIs) carefully and recreate the Read Replica should it fall behind due to replication errors.
A. Write Lag
B. Read Replica
C. Replica Lag
D. Single Replica
Correct Answer: C
Explanation/Reference:
Explanation:
The amount of time a Read Replica DB instance lags behind the source DB instance. Applies to MySQL, MariaDB, and PostgreSQL Read Replicas http:// docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/rds-metricscollected.html
ReplicaLag
The amount of time a Read Replica DB instance lags behind the source DB instance. Applies to MySQL, MariaDB, and PostgreSQL Read Replicas.
Units: Seconds