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

Oracle Cloud Control (OEM)

Yes

No

Database features

All

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 version upgrades

Upgrade schedule 100% controlled by customer

Older database versions

Version 11.2 still available

Version 11.2 no longer supported

Billing

By AWS (EC2 + Marketplace fees)

By AWS

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