CloudWatch Metrics
AWS DMS provides you ability to monitor performance of your DMS migration via CloudWatch metrics. There are different metrics available at replication instance & task level.
CloudWatch metrics for DMS Replication instance can be helpful in identifying resource consumption on DMS replication instance. CPU utilization, Freeable memory, Free Storage Space, etc. are few key metrics you may want to put monitoring on. CloudWatch metrics for DMS tasks can be helpful in identifying performance. DMS provides different metrics for Full Load, CDC, Validation & Impact on replication instance. Please refer AWS DMS Monitoring documentation for details on each metric.
To view CloudWatch metrics for DMS replication instance, Go to the AWS DMS console and click on Replication instances in the left side column. Select the replication instance and then navigate to CloudWatch metrics tab.
To view CloudWatch metrics for DMS tasks, Go to the AWS DMS console and click on Database Migration Task in the left side column. Click on your DMS task from the list of tasks.
Once you are on DMS task page, navigate to Monitoring tab.
Next, we will learn about AWS DMS events and how to setup notifications for those events.