Comparing FlashGrid and Amazon RDS for Oracle
Comparing FlashGrid and Amazon RDS for Oracle
FlashGrid and Amazon RDS service are two distinct solutions for running Oracle Databases on AWS cloud. Each solution has its advantages in certain usage scenarios. The objective of this comparison is to provide information that will help with selecting one of the two solutions based on customer’s requirements.
FlashGrid
Amazon RDS
Key advantages
Active-active HA
Full control
Flexibility
Performance
Oracle RAC lift-and-shift
Simplicity
Lower administration effort
Solution type
Virtual appliance hosted on EC2 instances
Database-as-a-Service
Who manages database and OS
End-customer or partner
AWS
High availability architecture
Active-Active based on Oracle RAC.
2, 3, or more DB nodes
Active-Standby
Failover time
Zero
Up to several minutes
Downtime for maintenance
No, rolling updates
May be needed
Database size
Virtually unlimited with EBS storage
64 TB max
Storage IOPS
With EBS: up to 260K per node, scalable with number of nodes.
With local SSDs: over 1M IOPS per node
Up to 256K
Storage throughput
With EBS: up to 7500 MB/s per node, scalable with number of nodes.
With local SSDs: up to 20 GB/s per node, scalable with number of nodes.
Up to 4000 MB/s
CPU performance
Scalable with number of nodes
Limited by single EC2 instance
Backup/restore
Using RMAN
Using storage snapshots
Custom OS security hardening
Yes
No
Applying Oracle one-off patches
Yes
No
Database versions 11.2, 12.1, 12.2, 18c
Available
No longer available
Billing
By AWS (EC2 + Marketplace fees)
By AWS
