[aws-rds] Make it possible to get metrics from Aurora. by TakashiKaga · Pull Request #307 · mackerelio/mackerel-agent-plugins

Add Aurora metrics below: CPUUtilization CPUCreditBalance //only t2 instance CPUCreditUsage //only t2 instance DatabaseConnections FreeableMemory before output rds.CacheHitRatio.ResultSetCacheHit...