Once you’ve integrated with AWS CloudWatch, you have access to all metrics for Database Migration Service, which can help you migrate database and analytics workloads to AWS.
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You can validate that metrics are reporting to Cloud Observability on the Metrics details page in Settings.
The following table shows the Database Migration Service metrics ingested by Cloud Observability.
| Metric Name | Unit | Description |
|---|---|---|
| aws.databasemigration.available_memory | bytes | An estimated amount of memory available for starting new applications, without swapping. |
| aws.databasemigration.cpu_allocated | percent | The maximum CPU percent that can be allocated for a task. |
| aws.databasemigration.cpu_utilization | percent | The percent of allowed vCPU. |
| aws.databasemigration.disk_queue_depth | count | The number of waiting disk I/O operations (read/write). |
| aws.databasemigration.free_storage_space | bytes | The amount of free storage. |
| aws.databasemigration.free_memory | bytes | The amount of physical memory free for applications, page cache, and kernel data structures. |
| aws.databasemigration.freeable_memory | bytes | The amount of free RAM. |
| aws.databasemigration.memory_allocated | megabits | The maximum allocation of memory for the task. (0 is unlimited) |
| aws.databasemigration.write_iops | count/second | The average disk write operations per second. |
| aws.databasemigration.read_iops | count/second | The average disk read operations per second. |
| aws.databasemigration.write_throughput | bytes/second | The average amount of data written to disk per second |
| aws.databasemigration.read_throughput | bytes/second | The average amount of data read from disk per second. |
| aws.databasemigration.write_latency | milliseconds | The average time taken per disk write operation. |
| aws.databasemigration.read_latency | milliseconds | The average time taken per disk read operation. |
| aws.databasemigration.swap_usage | bytes | The amount of swap used on the replication instance. |
| aws.databasemigration.network_transmit_throughput | bytes/second | The amount of outoging network traffic on the replication instance (including customer operations as well as AWS services). |
| aws.databasemigration.network_receive_throughput | bytes/second | The amount of incoming network traffic on the replication instance (including customer operations as well as AWS services). |
| aws.databasemigration.full_load_throughput_bandwidth_target | kilobytes/second | The Outgoing data transmitted from a full load for the target in KB per second. |
| aws.databasemigration.full_load_throughput_rows_target | count/second | The Outgoing changes from a full load for the target in rows per second. |
| aws.databasemigration.cdc_incoming_changes | count | The number of change events waiting to be applied to the target. |
| aws.databasemigration.cdc_changes_memory_source | count | The number of rows waiting in a memory and waiting to be committed from the source. You can view this metric together with CDCChangesDiskSource. |
| aws.databasemigration.cdc_changes_memory_target | count | The number of rows waiting in a memory and waiting to be committed to the target. You can view this metric together with CDCChangesDiskTarget. |
| aws.databasemigration.cdc_changes_disk_source | count | The number of rows waiting on disk and waiting to be committed from the source. You can view this metric together with CDCChangesMemorySource. |
| aws.databasemigration.cdc_changes_disk_target | count | The number of rows waiting on disk and waiting to be committed to the target. You can view this metric together with CDCChangesMemoryTarget. |
| aws.databasemigration.cdc_throughput_bandwidth_source | kilobytes/second | The Incoming data received for the source. |
| aws.databasemigration.cdc_throughput_bandwidth_target | kilobytes/second | The Outgoing data transmitted for the target. |
| aws.databasemigration.cdc_throughput_rows_source | count/second | The Incoming task changes from the source in rows per second. |
| aws.databasemigration.cdc_throughput_rows_target | count/second | The Outgoing task changes for the target in rows per second. |
| aws.databasemigration.cdc_latency_source | seconds | The difference in the timestamp of the last event captured from the source endpoint to the timestamp now of the AWS DMS instance. |
| aws.databasemigration.cdc_latency_target | seconds | The difference in the oldest event timestamp waiting to commit and timestamp now of the target instance. |
| aws.databasemigration.cpu_utilization | percent | The percent of CPU used by a task across multiple cores. |
| aws.databasemigration.swap_usage | bytes | The amount of swap used by a task. |
| aws.databasemigration.memory_usage | percent | The percent of memory occupied by a task. (a.k.a. resident set size) |
See also
Updated Dec 2, 2022