Amazon KeySpaces で テーブルのプロビジョンドキャパシティを超える読込/書込が発生しているかは CloudWatch メトリクスの ReadThrottleEvents / WriteThrottleEvents で確認することができる。
Amazon Keyspaces metrics and dimensions - Amazon Keyspaces (for Apache Cassandra)
Metric Description ReadThrottleEvents Requests to Amazon Keyspaces that exceed the provisioned read capacity for a table, or account level quotas, request per connection quotas, or partition level quotas... WriteThrottleEvents Requests to Amazon Keyspaces that exceed the provisioned write capacity for a table, or account level quotas, request per connection quotas, or partition level quotas...
Evaluate your provisioned capacity for right-sized provisioning - Amazon Keyspaces (for Apache Cassandra)How to retrieve consumption metrics from your Amazon Keyspaces tables
To evaluate the table capacity, monitor the following CloudWatch metrics and select the appropriate dimension to retrieve table information:
Read Capacity Units Write Capacity Units ConsumedReadCapacityUnits ConsumedWriteCapacityUnits ProvisionedReadCapacityUnits ProvisionedWriteCapacityUnits ReadThrottleEvents WriteThrottleEvents
