AWS/Redshift has new dimensions (`latency`, `service class`, `wmlid`) and metrics (`QueriesCompletedPerSecond`, `QueryRuntimeBreakdown`, `QueryDuration`,  `WLMQueriesCompletedPerSecond`, `WLMQueryDuration`, `WLMQueueLength`) in Cloudwatch: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/rs-metricscollected.html